What are the meaning of the Vpp, i/o, Vcc
I/O -Input/OutputVcc -Common collector voltageVpp -Peak to peak voltage?GND -Ground or earth...
Do you have any schematic or data related to internal structure of SIM ?
If i lost my PUK code number, i can reset manualy my SIM to PIN?
WHAT IS THE MEANING OF 'GND'
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