Template: SIM8200X 双SIM卡切换说明

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Choose SIM card

The 5G HAT has two SIM card slots onboard, dual SIM card, and single standby, which can be switched and enabled by AT command.

  • SIM card 1 is selected by default, You can use the following command to query and confirm:
AT+SMSIMCFG?
  • To switch SIM card 2, please use the following command:
AT+SMSIMCFG=1,2
  • Switch back to the SIM card 1, please use the following command:
AT+SMSIMCFG=1,1
  • Check whether the corresponding card slot recognizes the SIM card:
AT+CPIN?