Secret Codes for Google Android Mobile Phones click and see

DISCLAIMER: This information is intended for experienced users. It is not intended for basic users, hackers, or mobile thieves. Please do not try any of the following methods if you are not familiar with mobile phones. We'll not be responsible for the use or misuse of this information, including loss of data or hardware damage. So use it at your own risk.

NOTE: If some codes don't work on your mobile phone, try to use only *# in the start of the code and only #* or only # at the end of the secret code. For example *#4636#* or *#4636#.

                                    *#*#4636#*#*

This code can be used to get some interesting information about your phone and battery. It shows following 4 menus on screen:
Menus might differ for different mobile phones. Check out following video which shows the above code in action:

                                *#*#7780#*#*

This code can be used for a factory data reset. It'll remove the following things:

Google account settings stored in your phone
System and application data and settings
Downloaded applications
It'll NOT remove:

Current system software and bundled applications
SD card files e.g. photos, music files, etc.
PS: 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.

                                  *2767*3855#

Think before you give this code. This code is used for factory format. It'll remove all files and settings including the internal memory storage. It'll also reinstall the phone firmware.

PS: 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.

                            *#*#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 working and you'll need to take your phone to the service centre to reinstall camera firmware.

                                 *#*#7594#*#*

This one is my favourite 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 mode and Power 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.

                      *#*#273283*255*663282*#*#*

This code opens a File copy screen where you can backup your media files e.g. Images, Sound, Video and Voice memo.

            *#*#197328640#*#* or *#*#32489#*#* or                                                 *#*#0011#*#*

This code can be used to enter into Service mode. You can run various tests and change settings in the service mode.

WLAN, GPS and Bluetooth Test Codes:

*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* - WLAN test (Use "Menu" button to start various tests)

*#*#232338#*#* - Shows WiFi MAC address

*#*#1472365#*#* - GPS test

*#*#1575#*#* - Another GPS test

*#*#232331#*#* - Bluetooth test

*#*#232337#*# - Shows Bluetooth device address

*#*#8255#*#*

This code can be used to launch GTalk Service Monitor.

Codes to get Firmware version information:

*#*#4986*2650468#*#* - PDA, Phone, H/W, RFCallDate

*#*#1234#*#* - PDA and Phone

*#*#1111#*#* - FTA SW Version

*#*#2222#*#* - FTA HW Version

*#*#44336#*#* - PDA, Phone, CSC, Build Time, Changelist number

*#*#12580*369#*#* - Check software and hardware information

*#*#0228#*#* - Check battery status

*2767*4387264636# - Display product code

*#*#7465625#*#* - Check phone lock status

*#*#272886#*#* - Change automatic answer selection

Codes to launch various Factory Tests:

*#*#0283#*#* - Packet Loopback

*#*#0*#*#* - LCD test

*#*#0673#*#* OR *#*#0289#*#* - Melody test

*#*#0842#*#* - Device test (Vibration test and BackLight test)

*#*#0589#*#* - Light sensor test

*#*#0782#*#* - Real-time clock test

*#*#2663#*#* - Touch screen version

*#*#2664#*#* - Touch screen test

*#*#0588#*#* - Proximity sensor test

*#*#3264#*#* - RAM version

NOTE: All the above codes have been checked on Google Android phone Samsung Galaxy I537 only but they should also work in other Google Android phones.
SDKPage

"Hey there, I'm Sadiq Ife, a.k.a. "SDKPage." By day, I'm a tech-savvy computer IT, but by night, I unleash my creativity on my blog. With a passion for speed and efficiency, I'm always on the lookout for ways to think smarter and faster. Join me on my journey and let's make things happen - follow me on Facebook at https://web.facebook.com/sodiqoladimejiadisa/"

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