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

Please tell us some basic information before asking for help:
- Model Name: asus zenfone 3 max x008d
- Firmware Version:7.0
- 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
0
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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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