sedikit informasi tentang secret code,bukan hasil utak-atik saya sih. Sumbernya lupa,coz di ambil dari situsnya orang bule.. Tp bloger indo jg udah bnyak yg copas ko.
* *#06# untuk cek IMEI (International Mobile Equipment Identity).
* *#7780# untuk reset ke pengaturan awal.
* *#67705646# gonta-ganti operator display.
* *#0000# untuk melihat versi software.
* *#2820# alamat Bluetooth.
* *#746025625# status jam operator.
* *#62209526# – Display the MAC address of the WLAN adapter. This is available only in the newer devices that supports WLAN like N80
* #pw+1234567890+1# Shows if sim have restrictions.
*#92702689# – menampilkan informasi servis:
* 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. *#7328748263373738# resets security code.
Default security code is 12345
Unlock service provider: Insert sim, turn phone on and press vol up(arrow keys) for 3 seconds, should say pin code. Press C,then press * message should flash, press * again and 04*pin*pin*pin#
Change closed caller group (settings >security settings>user groups) to 00000 and 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.