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With my Samsung S10e phone fully charged, when I unplug it from USB then re-plug it in, the "battery fully charged" behaves like this:

  • appears and disappears a few time quickly
  • stays visible for 5 seconds
  • appears and disappears a few time quickly
  • stays visible for 5 5seconds
  • appears and disappears a few time quickly
  • stays visible forever

Question: What does that mean exactly? In particular, is it an indication that there is a kind of problem with the hardware or software?

battery fully charged icon Android 9

  • androidauthority.com/maximize-battery-life-882395 its a common software issue on many roms, no need to worry about – alecxs Aug 15 '19 at 11:14
  • @alecxs: I read the entire article, it talks about how to maximize battery life. Would you mind explaining how it relates to the flickering/visible cycle I observed, and what ROMs do not cause that? If possible as an answer rather than a comment, so that people can vote on it. Thanks :-) – Nicolas Raoul Aug 16 '19 at 1:54
  • it is not related. Not sure if there is a list with ROMs, just my experience. it's a software loop, it disconnects charging when full, then it connects and start charging. Bad side effect: it also kicks adb shell every ~5 seconds. I have seen this many times – alecxs Aug 16 '19 at 9:30

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