Safe Temperature for my m3s?

Hello i got my m3s for around 6 months and this last days i notice that my device its getting hot pretty fast…with just browsing the battery temp its 36-38 celcius. And 55 Celsius in CPU temp
Here is a screenshot
0_1501424257044_S70730-22170632.jpg

Any way to know the reason or a fix to this? I reformat my device and its still the same.

@kyokuzanagi Most probably an app who is running in background which use the cpu
Which build do you use ? try maybe another one ? even if it’s older may be better

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