Huawei Mate 9 MHA-L29 USA variant has been upgraded to a newer version of Oreo. Now stock firmware of this version is available on the Ministry of Solutions. You can install this firmware by traditional Huawei method using sd card. You can also fix any software-related problems by installing this firmware (eg. wrong build number). Users with cust version C567 are only allowed to use this firmware.

Firmware Details:

• Android Version: 8.0
• EMUI Version: 8.0
• Security Patch Level: April 2019
• Build Number: MHA-L29 8.0.0377 (C567)
• Supported Model: MHA-L29C567(USA-Dual Sim)
• Update Type: Official Stock Firmware
• Download Link: Click Here
• Firmware file password=ministryofsolutions.com
• Warning: Do not use this firmware for downgrade purposes

Installation Guide:

• Backup all important data from the phone
• Charge the battery up to 50%
• Get a micro SD card with 5GB of free space
• Extract the downloaded firmware zip file
• Insert the SD card in the phone
• Then copy the dload folder to your SD card
• Dial *#*#2846579#*#* then tap on software upgrade >sd card update and update should start
• If the code does not work, then power off the phone and disconnect from pc. Hold volume up, volume down, and power, keep holding until the update starts.