Why can you make emergency calls like 110 without a SIM card
First, let's understand how a SIM card works. I do MTK, Spreadtrum solutions, answer only for MTK, but other solutions are much the same. There are several pins in the SIM card slot connected to the PCB motherboard. The exact number of pins depends on how the solution is used. Let me list a few …
Why can you make emergency calls like 110 without a SIM card Read More »