Huawei P9 Plus VIE-L29 Rollback packages are special firmware files to be used for installing Marshmallow after an upgrade to Android7. Rollback package is only for those users who did not liked the nougat and want to stay on Marshmallow.

Download Links:

1. VIE-l29 Middle Eastern rollback (Click Here)
2. VIE-L29 Asian version rollback (Click Here)
3. VIE-L29 Marshmallow Middl East C185 (Click Here)
4. VIE-L29 Marshmallow Asia Pacific C636 (Click Here)

Rollback Guide

• Backup all important data, your internal memory will be erased
• Download rollback package from
• Make sure your phone is not rooted and bootloader locked
• Extract downloaded file and copy dload folder to sd card with at least 8 GB free space
• switch off phone then press and hold 3 buttons (Vol up, vol down and power) until you see update screen
• Now check in about phone if build number showing then you have successfully installed rollback package
• Now download latest marshmallow package and install it, same way you installed rollback package.