Bought the phone a week ago & today it seems to be running slightly warm just surfing sites in Chrome. Downloaded a battery app and see that the battery temp is at 32 degrees Celsius constantly right now for the last 2 hrs. Is this normal?


OEMs hardly provide such data to decide if it is normal or not. Not surprisingly, user manual of your device is quiet on this point.

This post on SE. Electronics (talks of Samsung), puts maximum safe temperature as 45°C.

However, temperature has a bearing on the battery performance. See this for details. At 32°C it results in 80% of optimum battery capacity.

I would consider based on my observations, that this perfectly fine, though Samsung phones have been reported to have fast charging problems with a low temperature error, which doesn't seem to be your problem.

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  • what battery temp number would be a concern and definitely needs repair? strangely enough playing mc5 game for an hour for a whole week with no warm back cover. only today it ran warmer though i ran the exact same apps etc – verve Dec 15 '19 at 4:05
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    45°C. See edit to answer – beeshyams Dec 15 '19 at 4:14
  • good links. i think only once have i had a phone get too hot to even hold: it was my S8 uploading 20GB of files to my new phone. any way to keep heat down while uploading files? – verve Dec 15 '19 at 4:20
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    No. For the simple reason that power is drawn heavily while uploading that leads to high battery temperature. Power drawn varies with device but you can get an idea from Izzy's answer here – beeshyams Dec 15 '19 at 4:44
  • next time i need to use an app that has a pause feature while uploading so the phone can take a break. was using Send Anywhere. – verve Dec 15 '19 at 4:51

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