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Questions tagged [sim-card]

A SIM card is a chip that is used to identify and authenticate subscribers on Mobile devices

A subscriber identity module or subscriber identification module (SIM) is an integrated circuit that securely stores the International Mobile Subscriber Identity (IMSI) and the related key used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers).

(Reference)

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How to get prefix codes for charging prepaid sim card

I want to make my android app automaticlly detects the prefix codes for charging prepaid sim card, I don't know if I can do it, but I saw an app that detects it automaticlly. NOTE: "prefix codes for charging is used for recharging prepaid sim…
Firas Al Mannaa
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Android How to read android Contacts and SIM Contacts?

I am currently getting read only android contacts, below is the code I'm using: String[] projecao = new String[] { Contacts._ID, Contacts.LOOKUP_KEY, Contacts.DISPLAY_NAME }; String selecao = Contacts.HAS_PHONE_NUMBER + " = 1"; Cursor contatos =…
weldsonandrade
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login to web-app with SIM card

I would like to create a mobile app that connects securely to the web server. In order to avoid having to rely on user/password authentication, I would like to authenticate the devices with their SIM card. I know there is a certificate on the SIM…
Micha Roon
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Detect changes of "Lock SIM card" in Settings/Security/Set up SIM card lock

A question aimed at Android 4.0.x preferably. I want to detect immediately, or after a few seconds, any change made to Lock SIM card in Settings > Security > Set up SIM card lock. I tried 3 methods: 1) access read-only com.android.settings shared…
slash33
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java.lang.SecurityException: JSR 177 access for this connection is not permitted

I'm trying to communicate with a SIM card using the APDUConnection with the SAT target, but I get this exception: "java.lang.SecurityException: JSR 177 access for this connection is not permitted" public void Test() { APDUConnection acn = null; …
Bamaco
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net.rim.device.api.smartcad.SmartCardNoCardPresentException when calling SmartCardReader.openSession()

I need to exchange APDU with a SIM card on a smartphone. I made a small test function to try this using my carrier's (Rogers) SIM card. SmartCardReader[] allReaders = SmartCardReaderFactory.getInstalledReaders(); for( int readerIndex = 0;…
Bamaco
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How do I Authorize an Existing Iphone with New Cell Carrier/Provider?

Today my friend got a new simcard with Verizon and was recently with Sprint. Info Old Carrier Sprint New Carrier Verizon The IPhone was previously under a lease but was paid off. Signed up with Verizon and they gave him a new simcard. On the day of…
JayRizzo
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SIM CARD APDU parsing tool

I'm sniffing the IO line between a SIM card and an LTE module. I record a lot of data but since there's only one line for command and response, I get a load of hex data with no boundary in between. Is there any tool that can take that hex dump and…
Uzair Chughtai
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React-Native how to check SIM-CARD installed OR not in Device?

In React-Native I want trie to check SimCard installed or not in Device
Nomankhan
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Android - How to access the USIM's file management?

Other than exchanging APDU with the USIM card, how can I access the USIM's file management or perform some operations on the USIM (file deletion, update, and deactivation mainly) ? Thank you for your insights!
Mohamad Ali Mhaidly
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Detection of simcard on mobile device

I want to add an security feature for that I need to check if sim [contactno], installed on perticular device [android/ios]. ex: i need to check if no like 989xxxx640 is available in device or not.
dhyanandra singh
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If sim card cloned, can we use it in real world?

Is the SIM card, COMP128 v1 and another version can be cloned? In real network operator can we use it and have two SIM card?
S.Hossein Emadi
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Cant verify smart card PIN using APDU command

I'm using Java javax.smartcard library to read data from smart card(SIM card). But i can't get my code working to verify my PIN. Here is my code: public class CopyOfCardReader { public static final CommandAPDU SELECT_FILE_EEEE = new CommandAPDU(new…
Nebojsa Ristic
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Get SIM info in Windows 7 netbook

I am working on a project using C# and Windows Forms. I want to get information about the SIM card which is placed on a Dell Latitude 2110 Netbook with Windows 7 installed. Any ideas of how can I do this? Thanks in advance!
thpst
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I want my app automatically know user phone number by accessing their SIM Card

I want to build a web based android app. What I want is I want my app to know the user phone number, but I don’t want them to enter it; perhaps, I want my app automatically know their number, by accessing their SIM Card or whatever way. Can you help…
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