23 Nov 2017

How to Update / Change / Repair Firmware in Sony Xperia phones?

Necessary Tools and Drivers

  1. Sony PC Companion with Drivers
  2. Sony FlashTool 32bit
  3. Sony FlashTool 64bit

Install Necessary Tools

  1. Start by installing Sony PC Companion with Drivers

WARNING!
Changing firmware in the phone will erase all of your data.
All described operations you are doing at your own risk.
If want saves your data do a backup before start.
A battery must be at least 60% if not you will kill the phone completely.

Change/ Repair/ Update Firmware in Sony Xperia phones

1. First of all, we need to find out the exact phone model that we've got. 

2. Turn on FlashTool(depend on windows system 32/64bit use file Flashtool or Flashtool64) Hard Reset your device
3. Go to XperiFirm,

HardReset your device

Factory Reset your device

4. Select the phone model, Master Reset your device

5. Now choose the exact model from step No. 1. Wipe data on your device

6. Select the firmware by country that you need
(unbranded firmware you can recognize by name CUSTOMIZED_CE1 or CUSTOMIZED_SG they come with all language packages from around the world) Format your device

7. Download firmware by pressing the firmware version button.

Restore your device

Remove screen password on your device

Remove Screen Lock on your device


8. After the download is finished close XperiaFirm, now FlashTool will ask you if you want to add downloaded firmware to the database just click the YES button to confirm. Permanently delete data from your device
9. Next press the lightning button, Hard Reset your device

10. Select Flashmode and confirm with OK button.

HardReset your device

Factory Reset your device


11. Select phone model and model number of your phone, firmware customization and firmware version the one you've downloaded in step No. 7. 

Master Reset your device

Wipe data on your device

Format your device

Restore your device

12. Next check the userdata, cust-reset everything else must be unchecked.
Remove screen password on your device
13. When you're ready, press a Flash button. Remove Screen Lock on your device

14. Connect turned off the phone to USB cable with pressed volume down button.
15. Release volume down button when you see "Device connected in flash mode" information in FlashTool windows log.The flash process starts, now just wait until process end.

Permanently delete data from your device

Hard Reset your device

HardReset your device

Factory Reset your device


16. After all disconnect phone from the USB cable. Turn it on with the power button and leave it on a flat surface until the phone turns on completely
(this is very important otherwise the phone will not complete the first start and you will see an error message on the phone screen).
17. Congratulations your flash process ended successfully. Now you can enjoy a phone with new firmware.

By Wojtek Góralczyk on 23 Nov 2017

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