*#07# or #07# - Launch main page of extras+info #634# - Color Variant + Life Time Counter *#8110# Software version for the nokia 8110 *#746025625# Displays the SIM Clock status, if your phone supports this power saving feature 'SIM Clock Stop Allowed', it means you will get the best standby time possible *#67# Allows you to check the number that 'On Busy Calls' are diverted to *#62# Allows you to check the number that 'Divert If Unreachable (no service)' calls are diverted to *#43# Allows you to check the 'Call Waiting' status of your phone.

*#21# Allows you to check the number that 'All Calls' are diverted to Press C, then press * message should flash, press * again and 04*pin*pin*pin# Unlock service provider: Insert sim, turn phone on and press vol up-arrow keys) for 3 seconds, should say pin code. Press *#3925538# to delete the contents and code of wallet. If you forgot wallet code for Nokia S60 phone, use this code reset: *#7370925538# Increase battery life by 30% because phone receives less signal from network. It also help if u want to use GPRS and the service is not responding or too slow. Increase signal strength, better signal reception. *#3370# � Enhanced Full Rate Codec (EFR) activation. *#92702689# � takes you to a secret menu where you may find some of the information below: Displays Serial Number, Displays the Month and Year of Manufacture, Displays (if there) the date where the phone was purchased (MMYY), Displays the date of the last repair � if found (0000), Shows life timer of phone (time passes since last start) This is available only in the newer devices that support WLAN *#62209526# � Display the MAC address of the WLAN adapter. *#67705646# This will clear the LCD display (operator logo). #634# colour variant + call life time counter *#07# or #07# launch main page of extras+ info

Microsoft secret codes *#06# - IMEI (International Mobile Equipment Identity) number Phones Specs > Microsoft > Microsoft Lumia 640 XL LTE Dual SIM Specs Microsoft Lumia 640 XL LTE Dual SIM - secret codes.

Lumia 640 codes and hacks