Install Android 12 on Asus Zenfone 8 via Fastboot Commands

Install Android 12

Today we are going to show you the way to install Android 12 on your Asus Zenfone 8 device by using the Fastboot Commands. Basically, the Zenfone lineup of this OEM has always been in the company of the most famous ones. Once it set up the eighth iteration in this series, it managed to get the limelight. The device was set up along with Android 11 out of the box. It has already been blessed with the newest OS build. 

The OEM’s new ZenUI, & just it seems to have marked the prerequisites. Furthermore, these devices are quite an active player in custom progress. From rooting it simply by using the Magisk patched boot.img or flashing custom ROMs & recoveries, many tweaks are there that you guys can try out. But all these tweaks can demonstrate to be quite risky in case not done correctly. In particular, there is every possibility of the device getting ended up in a bricked or boot loop state.

Alright! If that happens, you could simply unbrick your device & also bring it back to life just by flashing the stock firmware through Fastboot. Therefore, in case you guys are a user who has not yet gotten the Android 12 OTA. Thus wishes to manually flash the firmware, or are a tech geek who is looking to unbrick the device. The below-mentioned guide will come in handy for both these sets of utilizers. Now let’s get started with the steps in order to install the Android 12 onto your Asus Zenfone 8 device by using the Fastboot Commands.

Install Android 12 on Asus Zenfone 8 just by using the Fastboot Commands

Install Android SDK

First of all, You have to install the Android SDK Platform Tools on your Personal Computer. Must keep in mind that this is the official ADB & Fastboot binary offered by Google & it is the only suggested one. Download it & then extract it to any suitable location on your Personal Computer. Doing so will provide you with the platform-tools folder, which you guys have to use throughout this guide.

Download Asus Zenfone 8 Android 12 Firmware

You have to download your device’s stock firmware just from the Asus official page. I am also using ZenFone 8 (ZS590KS) WW-31.1004.0404.81. Once you guys have downloaded the firmware, you have to extract it to any suitable location on your computer. You will then get a pair of files, as well as the payload.bin, which we will be using to get Android 12 onto your Asus Zenfone 8 device by using the Fastboot Commands.

Send Asus Zenfone 8 Android 12 Fastboot ROM Files to ADB Directory

When you guys have extracted the payload.bin file, you guys will get the needed partition files in IMG format. Send all these files to the platform-tools folder on your Personal Computer.

Unlock Bootloader

In case your device is bricked/boot loop, then the possibilities are that you guys would have already unlocked the device’s bootloader. Otherwise, users who are always looking to manually flash firmware probably still have their bootloader locked.

Remember that unlocking the bootloader will clear all the data & could also nullify the warranty. Take a complete device backup & just proceed to the unlocking process.

Also see:Install Android 12 ROM and TWRP on Galaxy Note 8

Boot Asus Zenfone 8 to Fastboot Mode

Install Android 12 ROM on your Asus Zenfone 8 needs your device to be booted to Fastboot Mode. 

For Normal/Unbricked Device

  1. You have to connect the device simply to the Computer just by using a USB cable. Ensure that the USB Debugging is enabled.
  2. Go to the platform-tools folder, you have to write in CMD in the address bar, & hit Enter. This will set up the Command Prompt.
  3. You have to type in the following command in the CMD window to boot your device to Fastboot Mode

    adb reboot bootloader
  4. Check the Fastboot connection, you have to write in the below command. You should get back the device ID.

    fastboot devices

For Bricked Device

  1. Turn off your device. In case you guys are not able to do so, let the battery drain out.
  2. You have to connect it to the charger.
  3. Press & hold the Power and Volume Down (or Power & Volume Up) Keys together.
  4. Keeping both these keys pressed, you should connect your device to the Personal Computer by using the USB cable.
  5. It will boot your device to Fastboot Mode.

Install Android 12 on Asus Zenfone 8 by using Fastboot Commands

  1. For this, first of all, you have to go to the platform-tools folder, write in CMD in the address bar, & press Enter. This will automatically set up the Command Prompt.
  2. Write in the below command to clear all the data from the device.

    fastboot -w

Start typing in the following commands in the CMD window, gradually:

fastboot flash abl abl.img
fastboot flash aop aop.img
fastboot flash bluetooth bluetooth.img
fastboot flash boot boot.img
fastboot flash devcfg devcfg.img
fastboot flash dsp dsp.img
fastboot flash dtbo dtbo.img
fastboot flash featenabler featenabler.img
fastboot flash hyp hyp.img
fastboot flash keymaster keymaster.img
fastboot flash modem modem.img
fastboot flash multiimgoem multiimgoem.img
fastboot flash odm odm.img
fastboot flash product product.img
fastboot flash qupfw qupfw.img
fastboot flash qweslicstore qweslicstore.img
fastboot flash shrm shrm.img
fastboot flash system system.img
fastboot flash system_ext system_ext.img
fastboot flash tz tz.img
fastboot flash uefisecapp uefisecapp.img
fastboot flash vbmeta vb,eta.img
fastboot flash vbmeta_system vbmeta_system.img
fastboot flash vendor vendor.img
fastboot flash vendor_boot vendor_boot.img
fastboot flash xbl xbl.img
fastboot flash xbl_config xbl_config.img
fastboot flash xrom xrom.img

At last, execute the below-mentioned command only to boot your device to the OS:

fastboot reboot

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