Asus Zenfone 9 was launched globally powering Qualcomm Snapdragon 8+ Gen 1 SoC and features a 5.9-inch display with a 120Hz refresh rate, a dual rear camera setup with a 50-megapixel Sony IMX766 primary sensor, a 4,300mAh battery, and a near-stock Android experience with Android 12.

Today we have the latest firmware flash file for the Asus Zenfone 9 AI2202 powered by a Qualcomm Snapdragon 8+ Gen 1 processor. To install the firmware flash file, we need a software called the QFil Flash tool which can be helpful to flash the stock ROM on your device. The method is simple and easy.

This process is helpful if you have bricked your device, lag, or shuttering performance, to fix Bluetooth and WiFi issues, or to unroot or bypass the FRP lock. So without wasting our time, let’s understand what a stock firmware flash file is.

Also Read

Download Google Camera for Asus Zenfone 9 | GCam APK

Asus Zenfone 9 Device Overview:

The Asus Zenfone 9 features a 5.9 inches Super AMOLED panel with a 120 Hz refresh rate. It is an FHD+ panel with a resolution of 1080 x 2400 pixels and an aspect ratio of 20:9. The screen has a peak brightness of 1100 nits. Under the hood, we get the Qualcomm Snapdragon 8+ Gen 1 processor built on a 4nm manufacturing process. It is an octa-core processor with one Cortex-X2 core clocked at 3.19 GHz, three Cortex-A710 cores clocked at 2.75 GHz and four Cortex-A510 cores clocked at 1.80 GHz. For handling the graphics-intensive tasks, we have the Adreno 730. The smartphone comes with Android 12 out of the box with ZenUI skin running on top.

In terms of optics, we get a dual camera setup at the rear and a single selfie camera at the front. The dual rear camera setup consists of a 50 MP primary sensor paired with an f/1.9 lens and a 12 MP ultrawide sensor paired with an f/2.2 lens. The selfie camera at the front is a 12 MP primary sensor paired with an f/2.5 lens. The rear camera system can capture 8K videos at 24 fps, while the front camera is limited to 4K recording at 30 fps.

The smartphone comes with three storage options: 128GB internal storage + 8GB RAM, 256GB internal storage + 8GB RAM, and 256GB internal storage + 16GB RAM. We do not get a MicroSD slot for storage expansion. In terms of communications, we get Wi-Fi 802.11 a/b/g/n/ac/6e, Bluetooth 5.2, GPS, NFC, and USB Type-C 3.0. And for sensors, we get a side-mounted fingerprint sensor, accelerometer, gyro, proximity, and compass. Powering it all is a 4300 mAh battery that can be topped up quickly using a 30W power adapter. The smartphone is available in four colour options: Black, Blue, Red, and Silver.

Advantages of Stock ROM:

Here are why you need to download and save the Asus Zenfone 9 Stock ROM flash file on your computer.

  • If your device is dead, you can unbrick using the Stock ROM file
  • You can fix or repair the IMEI on your device using DB files from Stock ROM
  • Remove any malware or Adwares from Asus Zenfone 9
  • You can fix the boot loop issue on Asus Zenfone 9
  • Fix Unfortunately, the app has stopped errors on Asus Zenfone 9
  • Fix Network related issue
  • Patch Boot image to Root using Magisk
  • You can unroot Asus Zenfone 9
  • To Reset or Remove FRP on your device
  • Restore Asus Zenfone 9 to Factory State

Firmware Details:

  • Device Name: Asus Zenfone 9 AI2202
  • ROM Type: Stock ROM
  • Gapps File: Included
  • Tool Supported: QFil Flash tool
  • Processor: Qualcomm Snapdragon 8+ Gen 1 Processor
  • Android Version: Android 12

Steps to Flash Asus Zenfone 9 AI2202 Firmware File

Before installing the Stock ROM on your Asus Zenfone 9, you should download the firmware flash file. Then download and install the USB Drivers and flash tool on the PC. Once you’re done with these, you can proceed to the steps below. But let’s take a quick look at the Stock Firmware importance and firmware details below.

Pre-Requirements:

  • Supported device: Asus Zenfone 9 AI2202
  • Make sure to charge your device more than 50%
  • You need a PC or Laptop with a USB cable.
  • Take a complete backup using any method given below
  • Full Data Backup without Root
  • Nandroid Backup via TWRP
  • Download Flash Tool: QFil Flash Tool or QPST Flash tool
  • Download Drivers: Qualcomm USB Drivers and Asus USB Drivers

Download Flash Files

Method 1: Instructions to Install via Recovery:

  • Download the latest firmware from the above update tracker section (if available).
  • Turn off your phone and enter the recovery mode by pressing the Power button +Volume UP button.
  • Once you have booted into the recovery mode, select apply update from sd card.
  • Locate the firmware file on your phone’s internal or external storage and select it.
  • The installation will begin.
  • Once the process is completed, your phone will reboot to put things into place.
  • That’s it!

Method 2: Instructions to Install via ADB Sideload:

  • Download the latest firmware from the above update tracker section (if available).
  • Download and install the latest ADB and Fastboot tools on your PC.
  • Move the downloaded firmware file to the location where you have installed the ADB and Fastboot tools.
  • Enable Developer Options on your device.
  • You must also enable the USB Debugging option on your phone under the Developer Options.
  • Now head to the ADB installed folder and open a command prompt on the same folder by pressing the Shift Key + Right Mouse Click.
  • Turn off your phone.
  • Reboot your Asus Zenfone 9 into recovery mode by pressing the Volume UP + Power button together.
  • You must now connect your phone to the PC using a USB cable. Make sure to use the original USB cable provided by the company to avoid any issues.
  • Enter the below command in the command prompt:
  • adb devices
  • The above command will show you all the connected devices to the PC. If you have followed all the steps carefully, you will see your device serial number in the cmd.
  • Type in the below command to execute the firmware file:
  • adb sideload File_name.zip
  • (Here, the “File_name” should be replaced with the file name of the firmware file that you have downloaded)
  • Wait until the installation process completes.
  • Once the installation is complete, you can reboot your Asus Zenfone 9 smartphone.
  • That’s it!

Method 3: Instructions to Install via QFIL Tool:

Download the Qualcomm Flash image loader tool and USB Drivers on your PC. Follow the below link to install the firmware using the QFIL tool

  • Full Data Backup without Root
  • Nandroid Backup via TWRP

That’s it, guys. We hope you’ve successfully installed the Stock Firmware on your Asus Zenfone 9 device. Feel free to ask in the comments below for any queries.