CN106993285A - The method that multiple SIM virtual card switches in a kind of SIM card and SIM card - Google Patents
The method that multiple SIM virtual card switches in a kind of SIM card and SIM card Download PDFInfo
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- CN106993285A CN106993285A CN201710334260.6A CN201710334260A CN106993285A CN 106993285 A CN106993285 A CN 106993285A CN 201710334260 A CN201710334260 A CN 201710334260A CN 106993285 A CN106993285 A CN 106993285A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
- H04W8/205—Transfer to or from user equipment or user record carrier
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- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
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Abstract
The embodiment of the invention discloses a kind of SIM card, including profile generation modules, SIM entity cards and data processing module.Wherein, profile generation modules are used to the first SIM virtual cards and corresponding data of SIM entity cards generating the first profile files according to ASN.1 coded formats, and will send it in Mobile Network Operator server；Data processing module is used to receive Mobile Network Operator server the 2nd SIM virtual cards of transmission and corresponding data, and send the 2nd SIM virtual cards and corresponding data to SIM entity cards, to cover the first SIM virtual cards and corresponding data, so as to realize the switching of SIM virtual cards.It is not only convenient for users, improve the usage experience of user, it is thus also avoided that the waste of resource.In addition, the embodiment of the present invention additionally provides corresponding implementation method, methods described has corresponding advantage.
Description
Technical field
The present embodiments relate to mobile communication technology field, multiple in more particularly to a kind of SIM card and SIM card
The method of SIM virtual cards switching.
Background technology
SIM (Subscriber Identity Module, client identification module) is a kind of based on IC (integrated circuit card)
Entity card, for user identity to be identified.The information of digital mobile phone client is stored on computer chip, plus
The content such as close key and the telephone directory of user, language when being available for GSM network client identity to be differentiated, and conversing client
Message breath is encrypted.The making of SIM card is completed in strict accordance with GSM international standards, so as to reliably ensure
The proper communication of client.
Under traditional SIM usage scenario, either make a phone call to send short messages, or by surfing Internet with cell phone, will generally embed
In intelligent sliding moved end；Then handled in Mobile Network Operator there into network service, then this SIM card of acquisition is put into intelligence
Permanent contractual relation is established in mobile terminal, between user and Mobile Network Operator：Including authentication, paying,
Correlated activation including transacting business, user only needs to link up with operator.One card is merely able to one use of unique mark
Family, operator is managed and charged to user by the unique mark of SIM card.
User can be unblocked in affiliated mobile operator networks, but if to change other mobile networks operation
Business, or different geographical (province) in same carrier network services, in order to avoid paying high wandering fee and can not
The problem of accessing other Mobile Network Operator, is required to more novel entities SIM card.
Because the SIM card of entity is bound with fixed Mobile Network Operator, then after the SIM entity cards more renewed, storage
The data such as phone directory, short message in former SIM card, in addition it is also necessary to re-start copy in new SIM card, copy procedure is more numerous
It is trivial, cause inconvenience to the user；In addition, the SIM card being replaced can not typically be re-used, the waste of resource is caused, no
With environment friendly.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of SIM card, and a SIM can only be bound to solve an entity SIM card
The problem of virtual card user.
In order to solve the above technical problems, the embodiment of the present invention provides following technical scheme：
On the one hand the embodiment of the present invention provides a kind of SIM card, including SIM entity cards, in addition to：
Profile generation modules, for when receive Mobile Network Operator server agree to change card ask instruction when,
The first SIM virtual cards and corresponding data of the SIM entity cards are generated into the first profile according to ASN.1 coded formats
File, and the first profile files are sent into the Mobile Network Operator server；
Data processing module, the 2nd SIM virtual cards are sent and right for receiving the Mobile Network Operator server
The data answered, and the 2nd SIM virtual cards and corresponding data are sent to the SIM entity cards, to cover described first
SIM virtual cards and corresponding data, realize the switching of SIM virtual cards.
Optionally, in addition to：
The virtual card management modules of SIM, for when switching to the 2nd SIM virtual cards, judging that the 2nd SIM is virtual
Whether card connects network；When judging that the 2nd SIM virtual cards can not connect network, from the Mobile Network Operator service
The first profile files are read in device, the 2nd SIM virtual cards in the SIM entity cards are switched into the first SIM
Virtual card.
Optionally, in addition to：
Reminding module, for when detecting the 2nd SIM virtual cards and can not connect network, being pointed out to user.
Optionally, in addition to：
Display module, for the current SIM virtual cards in the SIM entity cards to be shown.
On the other hand the embodiment of the present invention provides a kind of method that multiple SIM virtual card switches in SIM card, including：
Sent to Mobile Network Operator server and change card request；
When receiving the Mobile Network Operator server and agreeing to change the instruction that card is asked, by the first current SIM
Virtual card and corresponding data, the first profile files are generated according to ASN.1 coded formats, and by the first profile
The instruction of the 2nd SIM virtual card data of file and reception is sent into the Mobile Network Operator server；
Receive the Mobile Network Operator server and send the 2nd SIM virtual cards and corresponding data, and cover
The first SIM virtual cards and corresponding data are covered, to realize the switching of SIM virtual cards.
Optionally, in addition to：
Judge whether the 2nd SIM virtual cards connect network；
When judging that the 2nd SIM virtual cards can not connect network, read from the Mobile Network Operator server
The first profile files are taken, to obtain the first SIM virtual cards and corresponding data, by SIM entity cards
Two SIM virtual cards switch to the first SIM virtual cards.
Optionally, in addition to：
When detecting the 2nd SIM virtual cards and can not connect network, pointed out to user.
Optionally, in addition to：
Obtain the corresponding identification number of current SIM virtual cards in the SIM entity cards；
The identification number is shown to the user.
The embodiments of the invention provide a kind of SIM card, including profile generation modules, SIM entity cards and data processing
Module.Wherein, profile generation modules, which are used to work as, receives the instruction that Mobile Network Operator server agrees to change card request
When, the first SIM virtual cards and corresponding data of SIM entity cards are generated into the first profile texts according to ASN.1 coded formats
Part, and will send it in Mobile Network Operator server；Data processing module is used to receive Mobile Network Operator clothes
Business device sends the 2nd SIM virtual cards and corresponding data, and the 2nd SIM virtual cards and corresponding data are sent to SIM
Entity card, to cover the first SIM virtual cards and corresponding data, so as to realize the switching of SIM virtual cards.
The advantage for the technical scheme that the application is provided is, standby by the way that current virtual card information is carried out in the server
Part, the data by the use of the virtual card covering source virtual card newly applied realize an entity SIM as currently used virtual card
Card includes the function of multiple virtual SIM cards, and is all backed up per SIM card, can be read when needed directly from server
Relevant information is taken, the problem of user loses data or copied again because changing virtual card is effectively avoided, greatly facilitates
The use of user, improves the flexibility that user uses, improves the usage experience of user, reduce the use of user into
This, it is to avoid caused by changing Mobile Network Operator or the changing virtual card replacing of SIM entity cards, it is to avoid the wave of resource
Take.
In addition, the embodiment of the present invention is additionally provided realizes device accordingly, further such that methods described is with more practicality
Property, described device has corresponding advantage.
Brief description of the drawings
, below will be to embodiment or existing for the clearer explanation embodiment of the present invention or the technical scheme of prior art
The accompanying drawing used required in technology description is briefly described, it should be apparent that, drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of embodiment structure chart of SIM card provided in an embodiment of the present invention；
Fig. 2 is another embodiment structure chart of SIM card provided in an embodiment of the present invention；
Fig. 3 is the flow signal of the method for multiple SIM virtual card switching in a kind of SIM card provided in an embodiment of the present invention
Figure；
Fig. 4 is the flow signal of the method for multiple SIM virtual card switching in another SIM card provided in an embodiment of the present invention
Figure；
Embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Term " first ", " second ", " the 3rd " " in the description and claims of this application and above-mentioned accompanying drawing
Four " etc. be for distinguishing different objects, rather than for describing specific order.In addition term " comprising " and " having " and
Their any deformations, it is intended that covering is non-exclusive to be included.For example contain the process of series of steps or unit, method,
The step of system, product or equipment are not limited to list or unit, but the step of may include not list or unit.
After the technical scheme of the embodiment of the present invention is described, the various non-limiting realities of detailed description below the application
Apply mode.
Referring firstly to Fig. 1, Fig. 1 is a kind of structure of the SIM card provided in an embodiment of the present invention under embodiment
Figure, the SIM card may include：
SIM entity cards 101, profile generation modules 102 and data processing module 103.
SIM entity cards 101 include file system module and application module, with traditional entity SIM card identical
Function, it is just built-in when card is produced, and by authoritative organization's certification.Due to the effective of SIM card and can not forgery property, it is new
The effective information (such as IMSI) that network is provided by SIM card, confirms that the card being currently inserted into is legal, effective card.Work as server
When issuing a new SIM card, all resource generation profile inside the SIM card of source can be backed up to server, and change into new
SIM card, user can be with the new SIM card of use.
Profile generation modules 102, the instruction that Mobile Network Operator server agrees to change card request is received for working as
When, the first SIM virtual cards and corresponding data of the SIM entity cards are generated first according to ASN.1 coded formats
Profile files, and the first profile files are sent into the Mobile Network Operator server.
Profile generation modules 102 can obtain the interior of file system by being successively read the file system of current SIM card
Hold, then content is accordingly filled into profile masterplates；After fills are finished, the profile of current SIM virtual cards
Produce and finish.Wherein, profile templates may include file system component, network authentication component, application component and secure group
Part.
ASN.1 is the standard for defining abstract data type normalized form, for describing the expressions of data, coding, transmission, solution
The flexible notation of code.It provides a set of formally, unambiguously and accurately rule, to describe independently of specific computer hardware
Object structure.The information that ASN.1 sends any form (audio, video, data etc.) must all use numeral transmission, and can only
Configuration aspects comprising information, but the method for not limiting its coding.The ASN.1 coding rules of standard have basic coding rule
Then, canonical code rule, unique encodings rule, compression encoding rules and XML coding rules etc..Specifically using which kind of coding lattice
Formula, the application does not do any restriction to this.
Profile files are that SIM virtual cards and related data are backed up, and the text of coding encrypting is then carried out to backup
Part, source SIM virtual cards and related corresponding data can be got by reading profile files.
Backup region can be set in Mobile Network Operator server, for storing profile files, subsequently entered with facilitating
Row is read, optionally, the position that store profile files can be fed back into user or SIM card, for accurate reading storage
Profile files.
Data processing module 103, for receive the Mobile Network Operator server send the 2nd SIM virtual cards and
Corresponding data, and the 2nd SIM virtual cards and corresponding data are sent to the SIM entity cards, to cover described
One SIM virtual cards and corresponding data, realize the switching of SIM virtual cards.
Because the SIM card of an entity is usually low capacity card, a SIM virtual card can only be typically stored, when user please
Ask when changing card, Mobile Network Operator server can after the request for receiving data is received, send the virtual card newly applied with
And related data, virtual card and related data sent to SIM entity cards, virtual card and related data before covering,
To be used as currently used SIM card.
It is standby by the way that current virtual card information is carried out in the server in technical scheme provided in an embodiment of the present invention
Part, the data by the use of the virtual card covering source virtual card newly applied realize an entity SIM as currently used virtual card
Card includes the function of multiple virtual SIM cards, and is all backed up per SIM card, can be read when needed directly from server
Relevant information is taken, the problem of user loses data or copied again because changing virtual card is effectively avoided, greatly facilitates
The use of user, improves the flexibility that user uses, improves the usage experience of user, reduce the use of user into
This, it is to avoid caused by changing Mobile Network Operator or the changing virtual card replacing of SIM entity cards, it is to avoid the wave of resource
Take.
In view of that in the handoff procedure of virtual card, may be made a mistake due to the server of operating mistake or operator,
User is caused to occur in the process of switching SIM card abnormal.In consideration of it, based on above-described embodiment, referring to Fig. 2, the SIM card is also
It may include：
The virtual card management modules 104 of SIM, for when switching to the 2nd SIM virtual cards, judging the 2nd SIM
Whether virtual card connects network；When judging that the 2nd SIM virtual cards can not connect network, from the Mobile Network Operator
The first profile files are read in server, the 2nd SIM virtual cards in the SIM entity cards are switched to described
One SIM virtual cards.
When being switched to the 2nd SIM virtual cards by the first SIM virtual cards, by judging whether the 2nd SIM virtual cards can succeed
Network is connected, so as to detect whether the 2nd SIM virtual cards can use, whether switching succeeds.Can not when detecting the 2nd SIM virtual cards
When connecting network, that is, the 2nd SIM virtual cards are abnormal, it is impossible to use, in order to not influence the use of user, it is switched to again
First SIM virtual cards.Be conducive to improving and change the continuity for snapping past journey and reliability, further the usage experience of lifting user.
User can be according to current network conditions, and access signal is more preferable, communication quality is higher, the faster mobile network of network speed, so that
To the Communications service of more high-quality.
Optionally, in a kind of specific embodiment, referring to Fig. 2, the SIM card may also include：
Reminding module 105, for when detecting the 2nd SIM virtual cards and can not connect network, being carried to user
Show.
Prompting can be shown (such as liquid crystal display) by the form of information in a certain format on screen.Certain form
Information can be text information, and such as the 2nd SIM virtual cards are abnormal；Or graphic form；Or digital form, concrete numerical value
The meaning of expression can be configured in advance；Or in the form of letter, such as 020-FAIL.Certainly, other any lattice can also be used
The information of formula, which carries out the 2nd SIM virtual cards of prompting, can not connect network, and this does not influence the realization of the present embodiment.
It can also be pointed out, can specifically be pointed out by sounding, for example voice is exportable by the form of voice
2nd SIM virtual cards are abnormal.
Indicator lamp can also be set to be pointed out, certainly, can also use other any shapes using LED as indicator lamp
Formula etc., such as diode, it is preferred that the lamp that brightness is big, power is small should be selected.For example, if the 2nd SIM virtual cards are abnormal
When, then it can be pointed out by lighting indicator lamp.
Alarm can also be carried out.
When the 2nd SIM virtual cards are abnormal, it can be alarmed.It can be yowled using buzzer and carry out alarm, can also adopted
Alarmed with the form of other jingle bells, alarm that also can be in any other form, this does not influence the embodiment of the present invention
Realize.
This setting is done, is in order to which user is got more information about during virtual card is switched over, if successful switch,
Allow staff can control task as early as possible execution, be conducive to improving reliability.Or other alarm sets are can be replaced, but also may be used
This setting is not done.
Setting carries out alarm and make it that the technical scheme of the application is more directly perceived, visualizes, and is user-friendly, lifts user
Usage experience.
Certainly, however it is not limited to which above-mentioned form is pointed out, if reach can by the abnormal result of current SIM virtual cards to
User is pointed out, and allows user to understand the purpose that current SIM virtual cards can not be used.
Certainly, it also can simultaneously be shown, voice message, indicator lamp and alarm are set, this does not influence the present invention
Realization.
In another specific embodiment, referring to Fig. 2, the SIM card may also include：
Display module 106, for the current SIM virtual cards in the SIM entity cards to be shown.
When having several virtual cards in same SIM entity card, user can not understand some special when and remember to work as
Before any virtual card used.In order to allow user to get information about the virtual card in current SIM entity cards, it can be carried out
Display.Every SIM virtual card all corresponds to unique an identification number, such as phone number, can be by obtaining the identification number and inciting somebody to action
It shows, for intuitively being shown to user, so as to further lift the usage experience of user.
It should be noted that the SIM card includes infrastructure service module, including JCVM (java cards virtual machine), communication connect
Mouthful, enciphering and deciphering algorithm interface, communication, safety, the storage for providing the bottom for above-mentioned modules etc. service, java card virtual machines
Realize upper strata SIM card apply with specific bottom chip logical separation, while also enhancing SIM card is portable, it is ensured that upper strata
SIM virtual cards are independent of specific chip platform.In addition, api interface of the upper strata SIM virtual cards by safety, can obtain same
The same safety support of existing entity SIM card.
The embodiment of the present invention provides corresponding use and implementation method also directed to SIM card, further such that the SIM
Card has more practicality.The method that multiple SIM virtual card in SIM card provided in an embodiment of the present invention switches is situated between below
Continue, the method that multiple SIM virtual card switches in SIM card described below can be mutually to should refer to above-described SIM card.
Fig. 3 is referred to, Fig. 3 is the method for multiple SIM virtual card switching in a kind of SIM card provided in an embodiment of the present invention
Schematic flow sheet, the embodiment of the present invention may include herein below：
S301：Sent to Mobile Network Operator server and change card request.
S302：When receiving the Mobile Network Operator server and agreeing to change the instruction that card is asked, by current the
One SIM virtual cards and corresponding data, the first profile files are generated according to ASN.1 coded formats, and by described first
The instruction of the 2nd SIM virtual card data of profile files and reception is sent into the Mobile Network Operator server.
S303：Receive the Mobile Network Operator server and send the 2nd SIM virtual cards and corresponding data,
And the first SIM virtual cards and corresponding data are covered, to realize the switching of SIM virtual cards.
Optionally, referring to Fig. 4, in some embodiments of the present embodiment, multiple SIM virtual card in a kind of SIM card
The method of switching can also for example include：
S304：Judge whether the 2nd SIM virtual cards connect network；
S305：When judging that the 2nd SIM virtual cards can not connect network, from the Mobile Network Operator server
It is middle to read the first profile files, to obtain the first SIM virtual cards and corresponding data, by SIM entity cards
The 2nd SIM virtual cards switch to the first SIM virtual cards.
Optionally, in other embodiments of the present embodiment, referring to Fig. 4, the above method can include：
S306：When detecting the 2nd SIM virtual cards and can not connect network, pointed out to user.
In the other embodiment of the present embodiment, referring to Fig. 4, the above method may also include：
S307：Obtain the corresponding identification number of current SIM virtual cards in the SIM entity cards, and by the identification number to
The user is shown.
In SIM card described in the embodiment of the present invention multiple SIM virtual card switch method implement process can refer to it is above-mentioned
The associated description that the function of each functional module of SIM card is realized in embodiment, here is omitted.
From the foregoing, it will be observed that the embodiment of the present invention is by the way that current virtual card information is backed up in the server, using new
The data of the virtual card covering source virtual card of application are as currently used virtual card, and realizing an entity SIM card includes
The function of multiple virtual SIM cards, and all backed up per SIM card, related letter can be read directly from server when needed
Breath, effectively avoids the problem of user loses data or copied again because changing virtual card, greatly facilitates user's
Use, improve the flexibility that user uses, improve the usage experience of user, reduce the use cost of user, it is to avoid
The replacing of SIM entity cards caused by changing Mobile Network Operator or changing virtual card, it is to avoid the waste of resource.
The embodiment of each in this specification is described by the way of progressive, what each embodiment was stressed be with it is other
Between the difference of embodiment, each embodiment same or similar part mutually referring to.For being filled disclosed in embodiment
For putting, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part
Explanation.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes the composition and step of each example according to function in the above description.These
Function is performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of the method or algorithm that the embodiments described herein is described with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The method that multiple SIM virtual card in a kind of SIM card and SIM card provided by the present invention switches is carried out above
It is discussed in detail.Specific case used herein is set forth to the principle and embodiment of the present invention, above example
Illustrate the method and its core concept for being only intended to help to understand the present invention.It should be pointed out that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these change
Enter and modify to also fall into the protection domain of the claims in the present invention.
Claims (8)
1. a kind of SIM card, including SIM entity cards, it is characterised in that also include：
Profile generation modules, for when receive Mobile Network Operator server agree to change card ask instruction when, by institute
The first SIM virtual cards and corresponding data for stating SIM entity cards generate the first profile files according to ASN.1 coded formats,
And send the first profile files into the Mobile Network Operator server；
Data processing module, the 2nd SIM virtual cards are sent and corresponding for receiving the Mobile Network Operator server
Data, and the 2nd SIM virtual cards and corresponding data are sent to the SIM entity cards, it is empty to cover the first SIM
Intend card and corresponding data, realize the switching of SIM virtual cards.
2. SIM card according to claim 1, it is characterised in that also include：
The virtual card management modules of SIM, for when switching to the 2nd SIM virtual cards, judging that the 2nd SIM virtual cards are
No connection network；When judging that the 2nd SIM virtual cards can not connect network, from the Mobile Network Operator server
The first profile files are read, switch to the first SIM virtual the 2nd SIM virtual cards in the SIM entity cards
Card.
3. SIM card according to claim 2, it is characterised in that also include：
Reminding module, for when detecting the 2nd SIM virtual cards and can not connect network, being pointed out to user.
4. SIM card according to claim 3, it is characterised in that also include：
Display module, for the current SIM virtual cards in the SIM entity cards to be shown.
5. a kind of method that multiple SIM virtual card switches in SIM card, it is characterised in that including：
Sent to Mobile Network Operator server and change card request；
It is when receiving the Mobile Network Operator server and agreeing to change the instruction that card is asked, current first SIM is virtual
Card and corresponding data, the first profile files are generated according to ASN.1 coded formats, and by the first profile files
And the instruction of the 2nd SIM virtual card data of reception is sent into the Mobile Network Operator server；
Receive the Mobile Network Operator server and send the 2nd SIM virtual cards and corresponding data, and cover institute
The first SIM virtual cards and corresponding data are stated, to realize the switching of SIM virtual cards.
6. method according to claim 5, it is characterised in that also include：
Judge whether the 2nd SIM virtual cards connect network；
When judging that the 2nd SIM virtual cards can not connect network, institute is read from the Mobile Network Operator server
The first profile files are stated, to obtain the first SIM virtual cards and corresponding data, by second in SIM entity cards
SIM virtual cards switch to the first SIM virtual cards.
7. method according to claim 6, it is characterised in that also include：
When detecting the 2nd SIM virtual cards and can not connect network, pointed out to user.
8. method according to claim 7, it is characterised in that also include：
Obtain the corresponding identification number of current SIM virtual cards in the SIM entity cards；
The identification number is shown to the user.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334260.6A CN106993285A (en) | 2017-05-12 | 2017-05-12 | The method that multiple SIM virtual card switches in a kind of SIM card and SIM card |
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| CN201710334260.6A CN106993285A (en) | 2017-05-12 | 2017-05-12 | The method that multiple SIM virtual card switches in a kind of SIM card and SIM card |
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Cited By (7)
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| CN109068312A (en) * | 2018-07-18 | 2018-12-21 | 宇龙计算机通信科技(深圳)有限公司 | carrier data switching method and device, electronic equipment and storage medium |
| CN109195189A (en) * | 2018-10-08 | 2019-01-11 | 深圳市广和通无线股份有限公司 | Double card switching method and apparatus |
| CN111246447A (en) * | 2018-11-28 | 2020-06-05 | 中国电信股份有限公司 | eUICC signed data management method, eUICC signed data management module, eUICC signed data management terminal and eUICC signed data management storage medium |
| CN111373718A (en) * | 2017-11-20 | 2020-07-03 | 京瓷株式会社 | Radio communication apparatus and control method thereof |
| CN111556482A (en) * | 2020-03-30 | 2020-08-18 | 宇龙计算机通信科技(深圳)有限公司 | Virtual SIM card switching method and device, storage medium and terminal |
| CN111935703A (en) * | 2020-09-09 | 2020-11-13 | 中国联合网络通信集团有限公司 | Network connection management method and terminal equipment |
| CN113055876A (en) * | 2020-04-29 | 2021-06-29 | 深圳市优克联新技术有限公司 | Method and device for downloading standby cloud card and terminal equipment |
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