What can I do when my phone pops up a warning saying, “high temperature”?

25.06.20

The warning is the normal consequence of the CPU handling excessive data, which makes battery warm. It is a recommendation message and not harmful to battery or phone even if the phone feels hot. You can follow below actions to make phone return to normal temperature: 1) It is suggested not to expose your phone in the sunshine for long time; 2) Close large power consumption applications; 3) Reduce the brightness of screen to lower the temperature.