NOKIA 5110 / 5120 / 5130 / 5190 Secret Codes

IMEI number:
* # 0 6 #

Software version:
* # 0 0 0 0 #

Simlock info:
* # 9 2 7 0 2 6 8 9 #

Enhanced Full Rate:
* 3 3 7 0 # [ # 3 3 7 0 # off]

Half Rate:
* 4 7 2 0 #

Provider lock status:
#pw+1234567890+1

Network lock status:
#pw+1234567890+2

Provider lock status:
#pw+1234567890+3

SimCard lock status:
#pw+1234567890+4