Likewise, the Zenfone series has also made a name for itself in custom development. Be it for flashing custom ROMs, installing a custom recovery like TWRP, or gaining administrative access by rooting your device via Magisk, there are a plethora of things to try out. However, this is just one side of the coin. Carrying out these tweaks might prove to be risky as well. Just a slight deviation and there’s every chance of your device going into a bootloop or bricked state. Fortunately, even if that happens, you could easily bring your device back to life. And in this guide, we will show you how to do just that. Given here are the detailed steps that shall help you unbrick your Asus Zenfone 9 via Fastboot Commands. Follow along.
How to Unbrick Asus Zenfone 9 via Fastboot Commands
The below process will wipe off all the data from your device. So take a complete device backup beforehand by any means possible. Droidwin and its members wouldn’t be held responsible in case of a thermonuclear war, your alarm doesn’t wake you up, or if anything happens to your device and data by performing the below steps.
STEP 1: Install Android SDK
First and foremost, you will have to install the Android SDK Platform Tools on your PC. This is the official ADB and Fastboot binary provided by Google and is the only recommended one. So download it and then extract it to any convenient location on your PC. Doing so will give you the platform-tools folder, which will be used throughout this guide to unbrick your Asus Zenfone 9 via Fastboot commands.
STEP 2: Download Asus Zenfone 9 Firmware
Next up, download the stock firmware for your device from the below link.
STEP 3: Extract Asus Zenfone 9 Payload.bin
Once you have downloaded the firmware, you will get a couple of files, including the payload.bin. So you will now have to extract it and get the resultant IMG files. To do so, you may refer to our guide on How to Extract Payload.bin file.
Once extracted, make sure to transfer all the files to the platform-tools folder.
STEP 4: Boot Bricked Zenfone 9 to Fastboot Mode
In most cases, a soft-bricked or boot-looped device might already be in the Fastboot Mode. However, if you are stuck in a bootloop, then long-press the Power key to turn it off. Then press and hold the Power and Volume Down keys (or Power and Volume Up in some devices) together to boot your device to Fastboot Mode. However, if you are unable to power off the device, then let its battery drain out. Once that happens, connect it to the charger. Then as soon as it is about to boot up, use the Power and Volume Up/Down keys and it will straightaway boot to Fastboot Mode.
STEP 5: Format Zenfone 9 via Fastboot
STEP 6: Flash Asus Zenfone 9 Firmware via Fastboot
Now execute the below commands in the CMD window one at a time. Moreover, if you get any errors, then don’t leave the process mid-way. Rather execute the rest of the commands and then verify the results at the end. Moreover, the last command listed below [fastboot reboot] should automatically reboot your device to the OS. That’s it. These were the steps to unbrick your Asus Zenfone 9 via Fastboot Commands. If you have any queries concerning the aforementioned steps, do let us know in the comments. We will get back to you with a solution at the earliest.
Unbrick Asus Zenfone 9 Using FastbootD Mode
Unbrick Asus Zenfone 9 via EDL
If your device isn’t able to boot to Fastboot/FastbootD Mode, then you wouldn’t be able to carry out the two methods listed above. In such cases, your only course of action is to boot your device to Emergency Download Mode and then flash the unbrick firmware.
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