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1 vote
0 answers
1k views

How to Change SimCard Prefered Network From to LTE to Others Like 2g 3g and.. on spreadTrum modems

Sorry for the Question, but i couldn't find any solution related to this type of modem so, we have a problem with our spreadtrum modems while we want to send "USSD" by "AT+COMMANDS"...
Omid H's user avatar
  • 73
2 votes
1 answer
3k views

Is there an USB dongle, which allows you to receive SMS on Windows 10 PC without SIM slot?

I have Dell XPS15 7590 which does not have a SIM card slot. Previously I had HP zBook 15 which had this feature. I used the SIM to receive SMS and when I was on a trip I used it as 4G modem to connect ...
DzeryCZ's user avatar
  • 380
1 vote
1 answer
411 views

4G module returns CME ERROR:15 when I opend my own applet in the SIM card with AT+CCHO command

everyone, I'm developing a project with LTE 4G module and having a problem described as following: I write a SIM card application (with Java tech) and download it into the SIM Card. After downloading ...
candylife9's user avatar
4 votes
1 answer
4k views

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). ...
Seriousl Lancerl's user avatar
5 votes
2 answers
2k views

Can I program eSIM/eUICC devices with Java Applets

From my research on embedded SIM (eSIM) technology, it's a SIM card that the consumer owns and is capable of downloading and switching between 3rd party subscriptions. I've also read it's expected ...
Conor Patrick's user avatar
3 votes
2 answers
3k views

What is the difference between a smartcard and SIM card?

I'm aware that a SIM card is electrically just a smart card but to focus my question more, can I use any smartcard with contacts that I've cut down to size as a SIM card if programmed correctly. Is ...
Ryan Malley's user avatar
-1 votes
1 answer
572 views

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 ...
Mohamad Ali Mhaidly's user avatar
2 votes
1 answer
2k views

Sim Authentication

I am currently working on a soft phone working on windows, the goal is to be able to make a call from a standard phone number, using a sim card, through VoLTE (Voice over LTE). Currently I am able ...
Niva's user avatar
  • 47
6 votes
0 answers
1k views

Use AVD Manager UICC (SIM) Certificate to sign APK

My goal is to test VoLTE (voice-over-LTE) settings on Android 6.0, and to do so I have to use CarrierConfig & TelephonyManager APIs. These APIs requires Carrier authentication-level, it means : ...
Alex's user avatar
  • 4,659