Do You know these Awesome Android Secret Codes?
Using Smartphone is a super fun. It seems no one can live without it. Android System is a hell easier for many but still, very few of us actually know full functionality of it. Today's smartphone combines almost all the other gadget's functions including a camera, scanner, mini-computer, gaming device and much more. So it's very important that you know these codes and be sure to keep you updated.

It is not like that you need these codes right now, but if you know them in advance, you will surely stay safe while carrying your smartphone anywhere today onwards.

Just open your phone's dialer pad and type in below codes. Be careful to use them as some of them can cause serious changes such factory reset, full phone flash etc.

1. FILE COPY AND BACKUP

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

This code opens a File copy screen where you can backup your content. 

2. BASIC PHONE INFO

*#*#4636#*#*                                      

3. FIRMWARE 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
                                  
4. FACTORY RESET

*#*#7780#*#*
                                            
Use this code to reset your device to its original first-day state. 

5. FORMAT YOUR DEVICE

*2767*3855#

Use this code very carefully. This code will wipe out all the current settings and data and reset the device to its original firmware. Caution: You can not UNDO this operation.

6. 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

Caution: Don't use the first option, your camera will stop working.

7. END CALL / POWER

*#*#7594#*#*

This code can be used to change the "End Call / Power" button action which you regularly use. Currently, if you long press the button it shows options. Use this code to switch said two actions only.

8. SERVICE MODE

*#*#197328640#*#*

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

9. 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

10. LAUNCH VARIOUS FACTORY TESTS

*#*#0283#*#* - Packet Loopback
*#*#0*#*#* - LCD test
*#*#0673#*#* OR *#*#0289#*#* - Melody test
*#*#0842#*#* - Device test (Vibration test and BackLight test)
*#*#2663#*#* - Touch screen version
*#*#2664#*#* - Touch screen test
*#*#0588#*#* - Proximity sensor test
*#*#3264#*#* - RAM version

Do you know any more ones? Have we missed few others? Let us know in comments.
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