For a network test, we require an Android phone to perform an OS update. We have a Nexus 6P and a Samsung Galaxy S8+.

The issue is that once we perform an update, it's updated, and no more updates can occur.

Is there a simple way to 'reverse' an update, and re-get the latest update?

  • Flash a factory image/firmware of an older version, although Samsung has bootloader levels that make the matter slightly more complicated.
    – Andy Yan
    Commented Oct 9, 2017 at 1:52
  • @AndyYan yeah, was hoping there was a simpler method - the Samsung one especially is problematic :/
    – Mark Mayo
    Commented Oct 9, 2017 at 2:40
  • @AndyYan Please post that as an answer. Comments are not for answering the question.
    – Dan Hulme
    Commented Oct 10, 2017 at 10:21
  • @DanHulme I'm not sure if that's what OP is looking for, especially after he posted the reply above.
    – Andy Yan
    Commented Oct 10, 2017 at 10:56
  • I think it's the only way to do what he's describing. If the OP is hoping for an easier answer too, that's fine.
    – Dan Hulme
    Commented Oct 10, 2017 at 11:35


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