You can now restore your Ascend Mate 7 (MT7-L09) from the new Marshmallow update back to stock Lollipop firmware using the official transitional firmware, build B500, released by Huawei.
Rollback Details
- Device: Huawei Ascend Mate 7
- Model: MT7-L09
- Codename: Jazz-L09
- Android: v6.0 → v5.1
- Firmware: B500
- Build Number: MT7-L09C900B500
- Release Date: 5.05.2016
- Region: Europe
- Branding: WEU Generic
- Type: Transition firmware
- Status: Official
- File Name:Â Mate 7 (MT7-L09)_rollback transition package_From Android 6.0 to Android 5.1.zip
Download Link: Official Mirror | Size: 261.76 MB
How to Downgrade
Step 1: Download the transition firmware package from above and extract it.
Step 2: Copy the extracted dload folder to your phone’s internal memory (top-level directory).
Step 3: The rollback process will wipe out all the data stored in the internal memory, so do remember to take a full backup first.
Step 4: Turn your phone off. Now reboot while holding Vol down + Vol up + Power for a few seconds till the installation starts.
Step 5: Once your device powers up, go to Settings > About Phone and confirm that the firmware version is now B500.
Step 6: Now download the appropriate Lollipop like B331, copy its Update.app to internal memory and install it the same way as above.
Like this post? Hit the share buttons below to share this article with your friends on Facebook, Google+ and Twitter.