Do you want to know what version of SW do you have in your phone? IMEI number? Below we have listed some secret codes for your mobile phone. With these codes, you can check the phone's IMEI, software version, reset to default language or even deactivate the simlock (but only in some models).

Some of codes listed below must by typed without the SIM card inserted in the mobile, and some with SIM card in the phone. Please be careful with some codes as you may permanently block your mobile phone if you do not follow instructions exactly.

Mobile Telephone Engineer Codes

Alcatel
IMEI number: * # 0 6 #
Software version: * # 0 6 #
Net Monitor: 0 0 0 0 0 0 *

Bosch
IMEI number: * # 0 6 #
Default Language: * # 0 0 0 0 #
Net Monitor: * # 3 2 6 2 2 5 5 * 8 3 7 8 # #

Dancall
IMEI number: * # 0 6 #
Software version: * # 9 9 9 9 #
SIM card serial number: * # 9 9 9 4 #
Information about battery status: * # 9 9 9 0 #
Selftest (only Dancall HP2731): * # 9 9 9 7 #
Show version configuration: * # 9 9 9 8 #
Net Monitor: * # 9 9 9 3 #

Ericsson
IMEI number: * # 0 6 #
Software version: > * < < * < *
Default Language: < 0 0 0 0 >
Enter to phone menu without SimCard - after Wrong PIN: press NO: * * 0 4 * 0 0 0 0 * 0 0 0 0 * 0 0 0 0 #
Information about SIMLOCK: < * * <

Motorola
IMEI number: * # 0 6 #
Net Monitor ON: * * * 1 1 3 * 1 * [OK]
Net Monitor OFF: * * * 1 1 3 * 1 * [OK] * - press this until box shown up

Nokia
IMEI number: * # 0 6 #
Software version: * # 0 0 0 0 #
Lub * # 9 9 9 9 #
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: # p w + 1 2 3 4 5 6 7 8 9 0 + 1
Network lock status: # p w + 1 2 3 4 5 6 7 8 9 0 + 2
Provider lock status: # p w + 1 2 3 4 5 6 7 8 9 0 + 3
SimCard lock status: # p w + 1 2 3 4 5 6 7 8 9 0 + 4 1234567890 -
MasterCode which is generated from IMEI *#92702689# [*#war0anty#] Warranty code.

MORE ENGINEERING CODES >>