Nokia 6600 unlocking Secret Codes

On the main screen type in:
*#06# for checking the IMEI (International Mobile Equipment Identity).
*#7780# reset to factory settings.
*#67705646# This will clear the LCD display(operator logo).
*#0000# To view software version.
*#2820# Bluetooth device address.
*#746025625# Sim clock allowed status.
#pw+1234567890+1# Shows if sim have restrictions.
*#92702689# - takes you to a secret menu where you may find some of the information below:
1. Displays Serial Number.
2. Displays the Month and Year of Manufacture
3. Displays (if there) the date where the phone was purchased (MMYY)
4. Displays the date of the last repair - if found (0000)
5. Shows life timer of phone (time passes since last start)
*#3370# - Enhanced Full Rate Codec (EFR) activation. Increase signal strength, better signal reception. It also help if u want to use GPRS and the service is not responding or too slow. Phone battery will drain faster though.
*#3370* - (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network.
*#4720# - Half Rate Codec activation.
*#4720* - Half Rate Codec deactivation. The phone will automatically restart
If you forgot wallet code for Nokia S60 phone, use this code reset: *#7370925538#
Note, your data in the wallet will be erased. Phone will ask you the lock code. Default lock code is: 12345
Press *#3925538# to delete the contents and code of wallet.
Unlock service provider: Insert sim, turn phone on and press vol up(arrow keys) for 3seconds, should say pin code. Press C,then press * message should flash, press * again and 04*pin*pin*pin# \
*#7328748263373738# resets security code.
Default security code is 12345
Change closed caller group (settings >security settings>user groups) to 00000and ure phone will sound the message tone when you are near a radar speed trap. Setting it to 500 will cause your phone 2 set off security alarms at shop exits, gr8 for practical jokes! (works with some of the Nokia phones.) Press and hold "0" on the main screen to open wap browser.

Unlock Service Provider & Security Code Free

Free Unlock Service Provider and Security Code:
Here I'm providing to you a free service for Unlocking Service Provider code for Nokia phone models allow to use your mobile phone with any service provider around the world. It is a free service for unlocking phones, for most of model I'll provide you code but not to sure work for all models but you can try coz it is a free service.
Also I provides free Security Code for unlocking your phone if you forget your Security Code. All you provides me some information and I'll result you whatever you wants.
Free Unlock Service Provider:
You have to Provide this information:
You only need to provides phone details like country, operator, model no & IMEI. To get IMEI number you must press *#06# at your mobile phone. The next screen will show you IMEI of your phone.To unlock Nokia mobile phones you also provide the operator company where you bought your cellphone or where your cellphone is locked for.
The information can be provided via put your comments below or through mail with a Subject: 'Unlock Service Code' to "mannuforall@yahoo.co.in".
How To Use: Just remove SIM card & turn on your phone. Enter the code in to main screen. To get the p push * key 3 times, & for w pushed * key 4 times. Don't forget to remove SIM card when entering unlock codes! After entering unlock code when lock has been successfully removed, phone will display: SIM restriction off. It'll show Code error when entered unlock code is wrong. When you have wrong codes too many times it'll show Cant undo restriction. You have only 5 attempts to enter proper unlock codes! After that your phone can be unlocked only via cable, & a unlock codes wont work anymore!
Free Security Code: You have to Provide this information:
You only need to provides IMEI, to get IMEI number you must press *#06# at your mobile phone. The next screen will show you IMEI of your phone.
The information can be provided via put your comments below or through mail with a Subject: 'Unlock Security Code' to "mannuforall@yahoo.co.in".
Security Master code compatibility:
Should work on all of DCT3 generation, like:
2100, 3110, 3210, 3310, 3315, 3330, 3350, 3390, 3410, 3610, 5110(i), 5130, 5190, 5210, 5510, 6080, 6110, 6130, 6138, 6150, 6190, 6210, 6250, 7110, 8210, 8250, 8290, 8850, 8855, 8890, 9110(i), 9210(i), 9290.
Should work on most of DCT4 generation, like:
3100(b), 3108, 3120, 3200(b), 3220, 3230, 3300, 3360, 3510(i), 3530, 3590, 3595, 3600, 3650, 3660, 5100, 5140(i), 6020, 6021, 6100, 6101, 6108, 6200, 6220, 6230(i), 6260, 6310(i), 6500, 6510, 6590, 6600, 6610(i), 6620, 6650, 6800, 6810, 6820, 6822, 7200, 7210, 7250(i), 7260, 7270, 7280, 7600, 7610, 7650, 7700, 7710, 8310, 8390, 8800, 8910(i), 9300(i), 9500, N-Gage (QD).
May not work on some of DCT4 generation, like:
1100(b), 1101, 1110, 1112(i), 1600, 2300, 2310, 2600, 2610, 2650, 2652, 6030(b), 6060, 6111and other new DCT4 models.
May not work on any of BB5 generation (all newest phones), like:
3250, 5300, 5400, 5500, 6125, 6131, 6233, 6234, 6280, 6282, 6630, 6680, 6681, 6682, 7370, 7373, 7390, all E-series, all N-series.
If your phone doesn't listed here probably it's new model and current Security Code generator won't help but you can try for a code hence it is free service!
Repair, remove sim restrictions and unlock Samsung, Siemens, Motorola, LG, Maxon, NEC, Sony Ericsson, Panasonic, Vitel, AEG / Telital, Alcatel cellphones will available soon.