Huawei Mate 9 is already received a stable HarmonyOS update. This update can be installed on Huawei Mate 9 MHA-AL00 running EMUI 9.1 or Older HarmonyOS. This firmware cannot be used in global versions MHA-L29/L09. If you want to install HarmonyOS, you must convert your phone to Chinese. We are offering a service to convert this phone on THIS PAGE. In this post, we are sharing the stock firmware for all those users who want to reinstall HarmonyOS stock firmware or want to go back to an older version of the OS.

Huawei Mate 9 Firmware Details:

• Android Version: 9 AOSP
• Firmware Version: HarmonyOS2.0
• Build Number: MHA-AL00 102.0.0.140(C00E140R1P3)
• Supported Model: MHA-AL00 (China)
• Update Type: Official Stock Firmware
• Download Link: Click Here
• File Password=https://ministryofsolutions.com MHAHO
• Note: always copy-paste the password, for faster download speed use the Internet download manager

Installation Guide:

• Backup all essential data from the phone
• Charge the battery up to 50%
• Get a micro SD card / OTG flash drive with 8GB of free space
• Extract the downloaded firmware zip file
• Connect OTG to the phone/insert an sd card in the phone
• Extract the downloaded firmware zip file (password=https://ministryofsolutions.com MHAHO)
• Power off the phone, hold all buttons volume up, volume down, and power, and keep holding until the update installation starts.

Note: Everything you do at your responsibility, this guide is provided for free without any guarantee.