O2x1

reset password *#9999#
Hang talk and power button together

[??]secret motorola mpx200 codes engineering menu, test mode, logs, etc.

Enter in the top secret 'Engineering Mode' on your MPx200 entering:
*#**364# on your keypad then press the Green Button

other interesting codes are:
* # * * 3 7 2 # FQC (test mode)
* # * * 3 6 4 # Engineering menu
* # * * 2 6 6 * 0 # Set as data COM port
* # * * 2 6 6 * 1 # Set as log COM port
* # * * 7 9 7 # Time to failure timer & Power down code
* # * * 2 2 6 3 * 0 # Set to default Band
* # * * 2 2 6 3 * 1 # Disable GSM Band
* # * * 2 2 6 3 * 2 # Disable DCS Band
* # * * 2 2 6 3 * 3 # Disable EGSM and DCS Band
* # * * 2 2 6 3 * 4 # Disable PCS Band
* # 9 9 9 # which displays the command log
* # * * 8 3 7 # Version info (some roms doesnt have implemented)

Remember guys play at your own risk