Hard Reset SONY Xperia M C1904

First method:

1. Press Power button until your phone is on.
   
2. Next goto Settings -> Backup & reset -> Factory Data Reset -> Reset Phone -> Erase everything.
3. Confirm that operation.
4. Done!

Second method:

1. Download program named flashtool from Sony website: http://developer.sonymobile.com/services/flash-tool/
2. Then check, that you have installed drivers for your USB data cable.
3. Now turn off your handset.
   
4. Afterwards press and hold Volume Down, and connect to USB cable.
   
5. Accept all informations.
6. The end.

Third method:

1. Switch off your phone.
   
2. Then hold and press together Power button + Volume Up for about few seconds, or until you see menu of your screen.
   
3. Follow the instructions on your screen, and confirm operations.

Fourth method:

1. You should first download and install program PC Companion.
   * In example from here: http://www.sonymobile.com/gb/tools/pc-companion/
2. If all went well, you will see window with 4 options.
   
3. Next click "Start" under the name "Support Zone New!".
   
4. Wait until the process of the installation is completed.
5. Now you should see window with in example option "Phone / Tablet Software Update".
   
6. Accept this option -> click "start".
7. Then click "repair my phone / tablet".
   
8. Please follow all instructions, and confirm that.
   
9. Read "Inportant information", and confirm.
   
10. Afterwards PC Companion is "preparing computer for software update".
    
11. Next select your phone / tablet model.
    
12. Follow steps, which you see in new window.
    
13. That's all.

Disclaimer.We are not affiliate with cell phone companies like Nokia,Samsung,Sony Ericsson,Lg,Motorolo and some other etc Manufacturers / Vendors .All trademarks are the property of the respective trademark owners.we just provide diagrams for study and repairing purpose.these images are uploaded by website visitors.so we will not be responsible for any loss or damage, including personal injury.for more detail read Terms & Conditions and Privacy & Policies at bottom. Restore Hard reset will set your phone in origional factorry settings. It will remove all the data and apps that you installed. Your contacts will be removed and you have to add them again. Flash Firmware we try to provide the best and latest flash files and firmwares, But we do not guarantee the accuracy or compatibility of any of the files. So use them at your own risk.. For HD Pictures. Visit This Blog. http://hdpic24.blogspot.in/ http://hdpic24.blogspot.in/