Need to unlock the bootloader of your Zenfone Max Pro so you can flash TWRP custom recovery on it? Look no further! Download the official Asus Bootloader Unlock tool available on this page. The tool is an Android app that you need to download and install it on your device. Once installed, simply run the app and tap the unlock button.
However, please be aware that unlocking the bootloader will void your phone warranty. That means you may not be able to claim the warranty service provided by Asus Service and Repair. Please think twice. It may void the warranty but for some people, it has a lot of fun once you have it unlocked, flash TWRP, and obtain root on the phone. That way you can maximize the true potential of the beast inside the device.
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Download
Grab the APK file from the link below. As usual, it is a direct download link that supports resume-able and multiple connections. The file is original and untouched. It is mirrored from its original source.
This app is for Zenfone Max Pro codename ZB601KL and ZB602KL.
You may also check its official download page from this link for an update.