gsmat-commandsim-toolkit

How to activate STK on Quectel EC20 GSM Modem

command, Am using Quectel EC20 GSM Modem (4G), i try to access SIM ToolKit to recharge on M1 SIM (Singapore).i know i need to activate STK.

 i tried `at+stgi=0` but it return `ERROR`

any idea how to start with this

Solution

  • To activate the sim toolkit on Quectel EC20 GSM Modem (4G) you have to use below code which is not in the manual.

    AT+QSTK=1,0,300

    AT+QSTK=mode,alphabet,timeout

    Mode
    0 Disable STK functionality
    1 Enable STK functionality

    Alphabet set.
    0 GSM character set
    1 UCS2 character set

    Timeout for response in second 1-300-65535