Updated on August 12, 2017
These are the instructions on how to use Asus Zenfone Flash Tool to Flash Stock Firmware on any Asus Smartphone and Tablets using Windows Computer.
Requirements: In order to follow the following tutorial, you need to have the Stock firmware of your Asus Smartphone or tablets.
How to Use Asus Zenfone Flash Tool to Flash Firmware
Step 1: Download and install Asus USB Driver on your computer. If in case you have already installed the Asus USB Driver then SKIP this step.
Step 2: Download and install the Asus Zenfone Flash Tool on your computer.
Step 3: Once Asus Zenfone Flash Tool is installed, Open it.
Step 4: Once it is launched, you will be able to see the following screen:
Step 5: Now, Connect your Asus Smartphone or Tablets to the computer.
Step 6: Now, Click on Disconnected button to Connect your device to the Tool.
Step 7: Once, your device is successfully connected, you will be able to see Connected with Green light.
Step 8: Now, Click on the Browse button and locate the Asus Firmware on your computer.
Step 9: Once Firmware is loaded, click on Start button to begin the flashing process.
Step 10: Now, your device will restart automatically.
Step 11: Now, Press and Hold Volume Down + Volume UP key to boot into the recovery mode.
Step 12: Now, Under the recovery mode Select Apply Update from ADB.
Step 13: Now, Click on Resume Button to resume the Flashing process.
Flashing process may take upto 5-10 minutes to get completed. Once it is done, Restart the device and disconnect it from the computer.
[*] Caution: Take a backup of your personal data before following the above tutorial, as because your personal data will be permanently deleted after flashing the firmware on your Asus Device.
[*] Asus USB Driver: If you are looking for the original USB Driver then head over to the Asus USB driver Page.
[*] Credits: Asus Zenfone Flash Tool is created and distributed by Pawneshwar Gupta (developer).So, full credits goes to him for sharing the application for free.