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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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Trusted source of time for JavaCard applet on SIM

I have a JavaCard applet working on Gemalto SIM card in a smartphone. I would like to create an electronic wallet with validity to a specifed date and time. I know this is impossible using a classic smartcard, which has no clock inside because of…
vojta
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how to set ringtones for the second sim card

Do anybody know how to set ringtones for the second sim card on android mobile,like samsung W899 device~ RingtoneManager.setActualDefaultRingtoneUri(Media_RingTongActivity.this, RingtoneManager.TYPE_ALARM, pickedUri); this just set the first sim…
iceskysl
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how to get MSISDN number in WAP using PHP?

I have developed a WAP application and I would like to get the MSISDN of the users that visit my site. My operator has white listed my WAP application. I am getting MSISDN successfully on couple of Samsung Mobiles, but not getting same result on…
nirav1717
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Dual-SIM Change Default SIM card

I'm trying to write a program that change default SIM card on my dual-sim android, what functions do I need for this?
Max
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Is my SIM card faulty or is my provider annoying me?

I'm trying to establish a PPP connection using pppd and AT Commands. This usually works fine with a SIM card of my local provider. However, I received a card from a friend that is living in Germany and I wanted to give it a try from Switzerland but…
morandg
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Can't access/read SIM phonebook in Nokia

am trying to access both the Phone's phonebook and SIM phonenook on Nokia 5130c-2 XpressMusic. The app runs without errors but it only returns the numbers from the phone's Phonebook. When I list the available phonebooks using this code String[]…
user1048839
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SIM state detection issue on LG-P500

My app needs to check SIM card status before performing an action. So for that I use the TelephonyManager.getSimState () . If app see state as SIM_STATE_READY then it proceeds else show error to the user. This so far has worked well, but recently I…
Tushar
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accessing the sim card contacts in android

i need to access the first 10 sim card contacts on my phone. the code i used is the following: public class simcontacts extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { …
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Send APDU commands to SIM card on iOS13 with TKSmardCard

I would like to send APDU commands to SIM card which is a smart card with TKSmardCard. It wasn't possible to use TKSmardCard before iOS13 but it is now. Is TKSmartCard api only for external Smart Card reader and not for the built-in SIM card (Smart…
Michael
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How to configure a modem module with the information retrieved from the SIM card

I'm using a Telit LE910-C1 module to connect my ESP32 to internet through a SIM card. I don't know much about how modems work but I inherited a code which works correctly (establishing a connection). The problem is that it works only with the SIM it…
Seriousl Lancerl
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How to launch browser with url from Sim Toolkit in Java Card

My work has assigned me a job to research if it's technically possible to Launch Browser with specific URL from SIM Application Toolkit using Java Card 2.2.1. I tried to use ProactiveHandler from sim.toolkit library. The exact code that launches…
Enkhsaikhan Davaatulga
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SIM card and JCRE confusion

As far as I know, the SIM card is a Java Card and it shall implement the ETSI/3GPP specifications and the UICC configurations. If the SIM is a Java Card - does it contains a JCRE from the Suns JCRE specification? If the SIM card has a JCRE - is it…
Bluestar
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Does NFC SIM Cards have an internal antenna? How to install applets on SIM cards?

I was searched about NFC SIM cards and found such explanations about them here and there: For those who want to use near field communication technology but don’t currently have an NFC compatible smartphone, there are other ways to enable NFC…
Ebrahim Ghasemi
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Device detect SIM vs USIM

I have a Nokia 301 connected to APDU snoop device. I have 2 SIM cards one older 2G (SIM) card and a newer 3G (USIM). My understanding is that the CLA (of the APDU) would be A0 in the SIM case and 00/80 in the USIM case. I would like to know how the…
QuickPrototype
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NFC SWP applet selection returns 6999

I have a simple JavaCard applet installed on my SIM card. I try to communicate with my applet using Omnikey 5121 CL reader and NFC-enabled Sony Xperia L through NFC/SWP (single wire protocol). The problem is I cannot select the applet - as a status…
vojta
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