1. Complete Information About your Phone *#*#4636#*#* This code can be used to get some interesting information about your phoneandbattery. It shows following 4 menus on screen: Phone information Battery information Battery history Usage statistics
2. Factory data reset *#*#7780#*#* This code can be used for afactory data reset. It'll remove following things: Google account settings stored in your phone Systemandapplication dataandsettings Downloaded applications It'll NOT remove: Current system softwareandbundled application SD card files e.g. photos, music files, etc. Note:Once you give this code, you get a prompt screen asking you to click on"Reset phone"button. So you get a chance to cancel your operation.
3. Format Android Phone *2767*3855# Think before you give this code. This code is used forfactory format. It'll remove all filesandsettings including the internal memory storage. It'll also reinstall the phone firmware. Note:Once you give this code, there is no way to cancel the operation unless you remove the battery from the phone. So think twice before giving this code.
4. Phone Camera Update *#*#34971539#*#* This code is used to get information about phone camera. It shows following 4 menus: Update camera firmware in image (Don't try this option) Update camera firmware in SD card Get camera firmware version Get firmware update count WARNING:Never use the first option otherwise your phone camera will stop workingandyou'll need to take your phone to service center to reinstall camera firmware.
5. End Call/Power *#*#7594#*#* This one is my favorite one. This code can be used to change the"End Call / Power"button action in your phone. Be default, if you long press the button, it shows a screen asking you to select any option from Silent mode, AirPlane modeandPower off. You can change this action using this code. You can enable direct power off on this button so you don't need to waste your time in selecting the option.
6. File Copy for Creating Backup *#*#273283*255*663282*#*#* This code opens a File copy screen where you can backup your media files e.g. Images, Sound, VideoandVoice memo.
7. Service Mode *#*#197328640#*#* This code can be used to enter into Service mode. You can run various testsandchange settings in the service mode.
8.WLAN, GPSandBluetooth Test Codes: *#*#232339#*#*
OR
*#*#526#*#*
OR
*#*# - WLAN test (Use"Menu"button to start various tests) *#*#232338#*#* - Shows WiFiMAC address *#*#1472365#*#* - GPS test *#*#1575#*#* - Another GPS test *#*#232331#*#* -Bluetooth test *#*#232337#*# - Shows Bluetooth device address
9.Codes to get Firmware version information: *#*#4986*2650468#*#*- PDA, Phone, H/W, RFCallDate *#*#1234#*#*-PDAandPhone *#*#1111#*#*- FTA SW Version *#*#2222#*#*- FTA HW Version *#*#44336#*#*- PDA, Phone, CSC, Build Time, Changelist number
10.Codes to launch various Factory Tests: *#*#0283#*#*- Packet Loopback *#*#0*#*#*- LCD test *#*#0673#*#*
OR
*#*#0289#*#*-Melody test *#*#0842#*#*- Device test (Vibration testandBackLight test) *#*#2663#*#*- Touch screen version
*#*#2664#*#*- Touch screen test *#*#0588#*#*- Proximity sensor test
*#*#3264#*#*- RAM version