32 Sony Xperia M Secret And Reset Codes For 2019

The Sony Xperia M has about two smartphones under it’s C
class make, the Xperia M C1904 and the Xperia C1905 all with its secret
codes.

This codes are designed by its makers Sony to help in the functioning of this device, you can use them to troubleshoot your Xperia,
obtain amazing information and keep your phone’s hardware in top shape,
among other things. So if you have Sony Xperia M, you need this codes
for many things at least Maintenance.

1. *#*#7378423#*#* This code is called the Service test
code and it is used for performing various service test especially on
the Xperia M hardware and software, very important if you want to know
exactly why your Xperia M is misbehaving.

To access the various testing options just Open the dialer
and enter this code*#*#7378423#*#, after which you will see the
following options

*. ‘Touchscreen test. To know whether if it is faulty or not.

*. And other test like Display, LED, Illumination, Light
Sensor, Speaker, Earphone, Microphone, Camera, Front Camera, Bluetooth,
WLAN, GPS, Compass, Accelerometer, Proximity Sensor, RTC, Total Call
Time, Battery Check, NFC, Flash LED etc.

Tap on any option to test it. If test is successful then your phone is in perfect condition without hardware faults.

2. *#*#73556673#*#* Wait before you dial this it is extremely important you understand what this code does. This code is code
is called the  Retail Mode Code, unlike its fancy name, what this code
does is not fancy atall, if activated it can delete all your photos,
videos and other media stored on the phone’s storage. This code is also
called the Xperia M Reset Code.

The only useful use of this Retail mode code is for
retailers, it is used to show the phone’s features by means of a retail
video. This code once activated voids the warranty on the Xperia M.

 So
use it at your own risk.

3. This one is not a code in the sense of numbers, but a
code in the sense of the what it does, it unlocks the developer options.
To unlock developer options go to’Settings >System > About
phone’. Now tap on ‘Build number’ few times to unlock developer options
in Sony Xperia M

General codes

Below are the codes for many Xperia smartphones. This codes have been found to work for Sony Xperia M

Information on cell phones and batteries

4. * # * # 4636 # * # *

This suggests the following four on-screen menu:
* Phone Information
* Battery Information
* History of Batteries
* Statistics

Reset data such as origin
5. * # * # 7780 # * # .

This will remove the following:

* Google account settings stored in your phone
* System and application data and settings
* Applications that download
and will NOT remove:
* System software and bundled applications at this
time
* SD card files such as photos, music files, etc.

Note: Once you input those codes you’ll be asked to confirm.

6. Format to the original manufacturer
* 2767 * 3855 #
Think before you give this code. This will remove all files and settings including the internal memory storage.

It will also reinstall the phone firmware.

Important: Once you give this code, there is no way to
cancel the operation unless you remove the battery from the phone.

7. Information about camera phones
* # * # 34971539 # * # *

This code indicates the following four menus:

* Update the firmware of the camera in image (this option is very dangerous)

* Update camera firmware in SD card

* Get camera firmware version

* Get firmware update count

8. * # * # 7594 # * # *
This code can be used to change the “End Call /
Power” action on your phone keypad.

The default, is pressing the button for a few moments, a screen will be displayed asking you to select an option that is Silent mode, Airplane mode and Power off the phone.

You can change the action using this code. You can
activate this power directly from the button so it will be easier.

9. Open the screen where the file copy
* # * # 255 * 273 283 * 663 282 * # * # *

10. Service log mode
* # * # 197328640 # * # *

You can run various tests and change settings in
the service mode.

11. Test Code: WLAN, GPS and Bluetooth
* # * # 232 339 # * # * – WLAN test

12. * # * # 526 # * # * – WLAN test

13. * # * # 528 # * # * – WLAN test (Use “Menu” to
launch a range of test)

14. * # * # 232 338 # * # * – Shows WiFi MAC address

15. * # * # 1472365 # * # * – GPS test

16. * # * # 1575 # * # * – Another GPS test.

17. * # * # 232 331 # * # * – Bluetooth test

18. * # * # 232337 # * # – Shows Bluetooth address

19. The launch GTalk Service Monitor
* # * # 8255 # * # *

20. Code to get the firmware version information:

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

21. * # * # 1234 # * # * – PDA and Phone

22. * # * # 1111 # * # * – FTA SW Version

23. * # * # 2222 # * # * – FTA HW Version

24. * # * # 44336 # * # * – PDA, Phone, CSC, Build
Time, numbered list of changes.
Codes to launch various Factory Tests:

25. * # * # 0283 # * # * – Loopback packet

26. * # * # 0 * # * # * – LCD test

27. * # * # 0673 # * # * or * # * # 0289 # * # * – Melody
test

28. * # * # 0842 # * # * – Device test (Vibration, and
Backlight test)

29. * # * # 2663 # * # * – Touch screen version

30. * # * # 2664 # * # * – Touch screen test

31. * # * # 0588 # * # * – Proximity sensor test

32. * # * # 3264 # * # * – RAM version