How To Unlock Bootloader On Asus Zenfone Max M2 (ZB633KL)

Asus released two devices this month One is Zenfone Max Pro M2 which is a mid-range device and the other one is Zenfone Max M2 which is an entry-level Android device. Now we have come up with a detailed guide to safely Unlock Bootloader On Asus Zenfone Max M2 (ZB633KL). There are two methods which a user can follow to unlock the bootloader of Asus Zenfone Max M2. 1) Using the unlocking tool by Asus 2) Using ADB and Fastboot commands. We will walk through both the methods.

About Asus Zenfone Max M2

The Asus Zenfone Max M2 was launched in December 2018. You can call it the smaller variant of Asus Zenfone Max Pro M2. The device comes equipped with a 6.26-inch touchscreen display with a resolution of 720 pixels by 1520 pixels. The device runs Android 8.1 (Oreo) out of the box. The Asus Zenfone Max M2 is powered by Qualcomm SDM632 Snapdragon 632 (14 nm) which is an octa-core processor clocked at 1.8GHz and it comes with 3 GB of RAM and 32 GB of internal storage that can be expanded up to 200GB via a microSD card.

The Asus Zenfone Max M2 sports a dual rear camera. The primary rear camera is 13-megapixel (f/1.8, 1.12-micron) and there is a 2-megapixel secondary rear camera (depth sensor). It also sports an 8-megapixel front camera. The Asus Zenfone Max M2 houses a Non-removable Li-Po 4000 mAh battery

Relation Between Bootloader Unlock and Rooting

Rooting Process Android

Like most of the Android smartphone, Asus Zenfone Max M2 also comes with an unlockable bootloader. If you are new to rooting, then you should know that Unlocking bootloader of an android device is the first and most important step in android rooting process. First users have to unlock the bootloader, then they can install TWRP recovery via Commands. Once TWRP is installed, root can be gained by flashing the supersu or magisk via TWRP recovery.

Warning: will not be held responsible for any kind of damage occurred to your Asus Zenfone Max M2 (ZB633KL) while following this tutorial. Do it at your own risk.


Now download the files and follow the guide to Unlock the Bootloader On Asus Zenfone Max M2 (ZB633KL)

Various Methods To Unlock Bootloader On Asus Zenfone Max M2 (ZB633KL)

Unlock Bootloader On Asus Zenfone Max M2 (ZB633KL)

Method 1: Using the Official App

Download the unlocking app

  • Once the app is downloaded, transfer the app to your Asus Zenfone Max M2 or download it directly on your phone.
  • After that install, the app on your smartphone, open it and follow the on-screen instruction to get your device unlocked.

Method 2: Using ADB and Fastboot commands

  • Setup ADB and Fastboot on your PC (Check the pre-requirement section)
  • Enable USB Debugging on your Android device.
  • Now Go to the ADB Folder on your PC (It will be created once you installed the ADB and Fastboot.
  • Open the Powershell window on the ADB Fastboot folder by pressing and holding Shift + Right mouse click.

Open Powershell window here

  • Connect your device to the PC via USB

Commands Bootloader Unlock Asus

  • Now boot your Android into bootloader/Fastboot mode by issuing the following commands
    adb reboot-bootloader
  • Now issue the given commands on the PowerShell window to get the key
    echo > key.txt
  • Now unlock the bootloader of your device by given commands
    fastboot oem get_unlock_key key.txt
  • Done!! your device’s bootloader should be unlocked.

Note: Now you will see unlocked whenever you boot your device into bootloader mode.

Dibyashree Sharma
Dibyashree Sharma
Dibyashree Sharma graduated in Computer Science from NIT Rourkela. For the past eight years, she has been blogging about Android, which she is really passionate about. She has built a good reputation as a reliable source. Away from the digital sphere, Dibyashree enjoys playing tennis, a sport she is as passionate about as she is about technology.

Comment (1)

  1. Hello,
    I have an asus max m2 mobile. I was unlocked bootloader and flash custom rom. now i have flashed stock rom. After flash stock rom it is showing red state warning.
    And when i relock bootloader its showing same warning. Please tell me you ho relock bootloader.


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