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Introduction

How to change the firmware with Sony PC Companion if you forgot your Password, PIN, Pattern, Screen Lock.

PC Companion will install the latest firmware on your phone and will reset it to the Factory setting.

You can use this technique also if your device not boot properly.

!!! This will erase all your personal data!!!

If your device is connected to the internet and you have an installed Google account on it, look at this manual:

Gestionnaire d'appareils Android - Contournez le verrouillage d'écran de n'importe quel appareil


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Vidéo d'introduction

  1. Search and download Sony PC Companion. Direct link:  Sony PC Companion Direct link:  Sony PC Companion
  2. Install Sony PC Companion in your PC. Install Sony PC Companion in your PC.
    • Install Sony PC Companion in your PC.

  3. Connect your laptop to power supply since the update of your phone will take some time. Now choose "repair my phone / tablet". By this way you can fully erase your phone and remove any security password, PIN etc., or change firmware if your phone have OS problem and can't be powered on correctly. This is your last warning about losing your personal data.
    • Connect your laptop to power supply since the update of your phone will take some time.

    • Now choose "repair my phone / tablet". By this way you can fully erase your phone and remove any security password, PIN etc., or change firmware if your phone have OS problem and can't be powered on correctly.

    • This is your last warning about losing your personal data.

  4. PC Companion will download some files to prepare your PC for software update. Your phone / tablet must be at last 80% for the update to proceed safely!
    • PC Companion will download some files to prepare your PC for software update.

    • Your phone / tablet must be at last 80% for the update to proceed safely!

  5. Select the model of your phone. You should not confuse the model. You should not confuse the model.
    • Select the model of your phone.

    • You should not confuse the model.

  6. The USB cable must be connected only to the PC. Turn off the phone. Press and hold the Volume Down button while plugging the cable into your phone.
    • The USB cable must be connected only to the PC.

    • Turn off the phone.

    • Press and hold the Volume Down button while plugging the cable into your phone.

    • Once connected, PC Companion will download necessary firmware and will upload it to your phone.

  7. Your PC must recognize your phone like SOMC Flash Device. If you have a problem with drivers (your PC can't recognize your phone), search in the internet for "S1Boot Fastboot" drivers or use the link below. '''Android WinUSB drivers'''
    • Your PC must recognize your phone like SOMC Flash Device.

    • If you have a problem with drivers (your PC can't recognize your phone), search in the internet for "S1Boot Fastboot" drivers or use the link below.

    • '''Android WinUSB drivers'''

  8. When PC Companion finished with update process, disconnect the phone and switch it on. Now your phone is in factory condition, with erased custom data and without password protection. .
    • When PC Companion finished with update process, disconnect the phone and switch it on.

    • Now your phone is in factory condition, with erased custom data and without password protection.

    • .

    • Did you do it successfully?

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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ZFix

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24 commentaires

thanks so much. btw if it says you should unlock first, just press emergency calls and it accepts it

Godstime Osarobo - Réponse

my xperia ( LT22i ) is not listed

abdul azeem - Réponse

there is an error every time i try to use pc companion

error code: uegetphoneinfofailure

leo leo - Réponse

there are an error

I can't download the upgrade on my phone

arnold - Réponse

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