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Tech Info - Siemens C25
Siemens
C25 Reset language to automatic selection - * # 0000# then send button
*#002# to kill divert *#0606# shows you the secret code, but only without SIM card installed. If you have the IMEIdisplayed press the button over the end call button
to see the software version. Pinouts 1 - GND
.
2 - SB
3 - POWER
4 - NC
5 - TX
6 - RX
7 - CLOCK
8 - DATA
9 - GND MIC
10 - HF MIC
11 - AUDIO
12 - GND AUDIO