Introduction - If you have any usage issues, please Google them yourself
Android phone theft to change the SIM card to send text messages to designated contacts [Source implementation process:
Listen to boot-> first run to record the master SIM card ICCID
Change the SIM-> listen to boot- does not match the contrast ICCID of the SIM card and the first run of the ICCID of the record-> to specify the number to send text messages