ystem update failed (3) unknown error system restored to previous configuration

Please tell us some basic information before asking for help:

  1. Model Name: asus zenfone 3 max x008d
  2. Firmware Version:7.0
  3. Rooted or not: not

i cant update my phone to oreo 8.1

because ystem update failed (3) unknown error system restored to previous configuration

please help me to fix this problem

Comments

  • Hi castrojaychristian

    The upgrade of the firmware must be step by step. It can't upgrade to the Android 8 directly. You have to upgrade one version at a time until the version you need.

    https://www.asus.com/support/FAQ/1009748/

    Thank you.

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