Sony Xperia 1 Bootloader Mode

How to enter bootloader mode on Sony Xperia 1? In this tutorial, you can learn step by step how to enter bootloader mode on Sony Xperia 1.

You can delete all data on your SD card by navigating to Settings > Battery and device care > Storage > SD card > Format > Format SD card.

If your Sony Xperia 1 has any of these problems:

Freezing,
Overheating,
Boot looping,
Stop responding,
Poor performance,
Unexpected stucks,
Apps keep crashing,
Device is not opening,
Suspicious device activity,
Virus or malware infections,
Randomly reboots or restarts,
Shuts down without restarting,

Start your Sony Xperia 1 in bootloader mode unlock your bootloader and help your phone running better.

Bootloader Mode is separate from the operating system and offers many useful options such as install Stock ROM, install Custom ROM, TWRP etc.

Within Safe Mode you'll be able to test for lots of different issues, navigate around the device to see if you run into any problems. You can use Safe Mode to keep an eye on your battery life or mobile data usage for as long as you'd like; however there will be apps that won't be available inside Safe Mode.

You can perform the following operations on your Sony Xperia 1 using recovery mode:

Reboot to bootloader
Enter Fastboot
Apply update from ADB
Apply update from SD card
Wipe data / factory reset
Wipe cache partition
Mount / system
Run graphics test
Run locale test
Reboot system now
Power off
Repair apps

How to boot into bootloader mode on Sony Xperia 1?

If you are having problems with system and apps your Sony Xperia 1 you can use many advanced options or install a Stock ROM with bootloader mode.

Boot into fastboot mode your phone by following the steps below:

Plug a USB-C / Micro USB cable into your phone and connect it to your computer.
Turn off your phone with the USB cable connected to computer.
Press and hold the Power and the Volume Up buttons at the same time, to turn the device on.
You will now be able to see Recovery Mode on the screen.
Use the Volume Up and Volume Down buttons to highlight Reboot to Bootloader and then press the Power button.
Your phone will boot into the Bootloader Mode.

To exit the bootloader mode on your Sony Xperia 1 using the Volume Up and Volume Down buttons to highlight Reboot System Now and then press the Power button.

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How to boot into bootloader mode on Sony Xperia 1?

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