Tips press and hold #

press and hold # Lets you switch between lines

NOKIA 5110/5120/5130/5190

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

NOKIA 6110/6120/6130/6150/6190

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 #

NOKIA 3110

IMEI number: * # 0 6 #
Software version: * # 0 0 0 0 # or * # 9 9 9 9 # or * # 3 1 1 0 #
Simlock info: * # 9 2 7 0 2 6 8 9 #

NOKIA 3330

*#06#
This will show your warranty details *#92702689#
*3370#
Basically increases the quality of calling sound, but decreases battery length.
#3370#
Deactivates the above
*#0000#
Shows your software version
*#746025625#This shows if your phone will allow sim clock stoppage
*4370#
Half Rate Codec activation. It will automatically restart
#4370#
Half Rate Codec deactivation. It will automatically restart
Restore Factory Settings
To do this simply use this code *#7780#
Manufacturer Info
Date of Manufacturing *#3283#
*3001#12345# (TDMA phones only)