I have an old (but rooted) phone running Android 5.1.1 (Lollipop).

I realized it runs many background processes which I absolutely don't need.

I can stop them manually via Settings > Apps > Background processes, however I wish to keep them disabled: they slow down the cold-start of the phone which I don't like.

So I'm looking for a way to not just disable but completely ban certain processes (i.e. ban them from starting).

How can I do this on these old versions of Android? Unfortunately Google is quite blurry and noisy for these search terms.

  • 3
    Are they init services, system apps, or user apps? See details here. How do you know they are not needed? Commented Jun 30, 2023 at 10:06
  • 1
    A solution is to reduce the number of installed apps. Commented Jun 30, 2023 at 13:19
  • System apps: like Google Photos+, or Google News, etc.
    – Daniel
    Commented Jul 2, 2023 at 12:20
  • @RohitGupta: how can I uninstall System apps? :)
    – Daniel
    Commented Jul 4, 2023 at 6:07
  • @Daniel if you want to uninstall system apps, you can try pm uninstall command.
    – Andrew T.
    Commented Jul 5, 2023 at 18:23


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