I want to start working with cell-phones and SIM cards. I searched a lot in the internet but still I have some problem! I want to know : 1. What is the difference between (U)SIM cards and Smart ...

I use the TelephonyManager to get the phone number, in the SDK all works perfectly, on some devices like my hero with 1.5 it returns null, on the tattoo with 1.6 it works but on some other ta...

I'm trying to write a program that change default SIM card on my dual-sim android, what functions do I need for this?

I have an Android phone with 2 SIM card and I want to detect the target of the incoming call — is it for SIM 1 or for SIM 2. Is it possible to get the target number from call info?

I would like to access the SIM menus on an Android phone using STK. I am trying to write an APK that shows the SIM Menus and perform operations on it. However, since the software would be used by ...

I know about the SEEK solution, but it does not fit my req. I know there are some internal APIs that can do some, but it limits the functions.I need to send evenlope APDU to SIM and get the respons...

I do not have a real android device. I completely depend on emulator. So, for the sim contacts, changing sim cards and other purposes regarding sim, i want a simulator for SIM. I didn't find any th...

I am working with Android phones that have 2 SIM card slots. I want to know if there is a way to use one of these slots to read another type of card, like JavaCards?

I have made an App (in android 2.3.6) that runs automatically at boot and doesn't allow users any use of the phone except for my app. To make this work I have changed the default launcher with my a...

I am trying to use this query to read the contacts on the SIM. cur = managedQuery(Uri.parse("content://icc/adn") ,null ,null ,null ,null ); The application has READ_CONTACTS and WRITE_CONT...

I am developing a NFC application. My application will process secret information and I want to store that data on the SIM card. Is it possible, and if it is possible, how can I do this? My phone's...

I'm doing some research on the way to use a certificate from a SIM Card (in order to keep the service provided, if the user wants to change his phone). In Android, it seems OK, but I can't find an...

All smartcards have embedded crypto capabilities and computation power. Is is possible to take advantage of this with developed android application? For example, would I be able to sign a file usi...

I´m going to give away phones (Android) to clients (mostly kids) and want to create a ´lock´-app. I don´t want the clients to bother with the pincode for the phone, but when you turn on the device,...

What would be the best Data Type to use for storing an MSISDN (phone number). Need to be able to store any phone number in the world. Does anyone know the maximum possible MSISDN length, includi...

We have a product where the user registers by providing their phone number. However after they register they could potentially change their sim. Is it possible to programatically determine if the...

My app needs to check the pin inserted by a user with the SIM card pin and that Android has to answer me if the pin inserted is correct. I only need to check, never change the code pin. It is poss...

Is it possible to detect SIM number using TelephonyManager in android at boot startup ,using Service at bootup... TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVIC...

Let’s share on a common place ideas about the NFC development, technology… I warmly welcome any comments you might have – either about the Android or Symbian SDK or about the NFC in general. From ...

I searched for a question similar to this one, but no luck. I'm writing an app which, in order to correctly authenticate the user, it should ask him to input the correct SIM Card. Is it possible, ...

Possible Duplicate: How to fetch own mobile number in android How to get the telephone number associated with the SIM in a GSM phone?

It is possible to do it in one query? As far as I know content uri of sim contacts is content://icc/adn

I am writing an application which writes contacts in the SIM card of an Android phone. I am stuck at the point where the phone number is added: an exception occurs with no apparent reason. Here is...