Device ID Invalid : Null

rpillai62rpillai62 Level 1
edited June 2021 in ZenFone 5 Series

Please tell us some basic information before asking for help:

  1. Model Name:Zenfone 5z
  2. Firmware Version:
  3. Rooted or not:
  4. Frequency of Occurrence:
  5. 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.


i downgraded to Android P to solve an issue but when it didn't get solved i let it update through the FOTA update however on startup it shows device ID invalid: Null and switches off


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