I have an old Essential PH-1 that runs on Android 7.1.1 (Nougat).

I accidentally okay'ed it to update to Oreo and it says to allow the updates to take effect to the newer Oreo OS I need to restart my phone. I do NOT want to update to the new OS. I want to keep Nougat OS.

How do I prevent this from happening?

Is there a way to erase these new files so that a restart will not finish installing the update to Oreo?
Or do I have to let it update upon restart and then downgrade (back to Nougat)?
If so, where do I go to find the easiest way to do that?

1 Answer 1


You need to open your device "Developer options".

In case it is not there then:

  • Click your device build number 7 times.

Then in "Developer options":

  • Disable "Automatic system updates"


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