Asus ROG Phone II ZS660KL Fastboot Mode

How to enter fastboot mode on Asus ROG Phone II ZS660KL? In this tutorial, you can learn step by step how to enter fastboot mode on Asus ROG Phone II ZS660KL.

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 Asus ROG Phone II ZS660KL 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 Asus ROG Phone II ZS660KL in fastboot mode unlock your bootloader and help your phone running better.

Fastboot 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 Asus ROG Phone II ZS660KL 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 fastboot mode on Asus ROG Phone II ZS660KL?

If you are having problems with system and apps your Asus ROG Phone II ZS660KL you can use many advanced options or install a Stock ROM with fastboot 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 Fastboot and then press the Power button.
Your phone will boot into the Fastboot Mode.

To exit the fastboot mode on your Asus ROG Phone II ZS660KL 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 fastboot mode on Asus ROG Phone II ZS660KL?

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