C25:
SP unlock *#0003*(secret code 8 digits)#
*#0606# shows you Secret Code, but only without SIM Card.
*#06# for checking the IMEI (International Mobile Equipment Identity)
Resets language to automatic selection : * # 0000 # then Green button
Pin Out (electrical connections)
1- GND
2- SB
3- POWER
4- NC
5- TX
6- RX
7- CLOCK
8- DATA
