The heating of the iPhone may be caused by the following conditions:
(1) Charging state, in the charging state, the battery will generate heat, which is a normal phenomenon.
(2) Playing large mobile games or applications will take up a lot of CPU resources.
(3) When using the mobile phone under charging state, it is recommended to use it after full charge.
(4) The use of mobile phones in a closed environment, because the mobile phone is in a closed state, the heat does not go out, will lead to serious fever, it is recommended to use in a better ventilated environment.
(5) Using mobile phones for a long time, such as talking for a long time, playing games, etc.
(6) Mobile phone hardware failure, it is recommended to go to the after-sales network detection.