Please tell us some basic information before asking for help:
Model Name: Zenfone 5 ZE620KL
Firmware Version: 17.0615.2003.20
Rooted or not: No
Frequency of Occurrence: Every time when i try this
APP Name & APP Version (If your issue relates to the app): -
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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Hello. I downloaded the file update today to android 10 beta version but i don't like, when i try to downgrade my device i see an message warning:
System update failed (3)
Unknow error
Restored system for previous settings
ps: its something like this, sorry if my english is bad
Anyone can help me please? Thank you
