To fix the heating problem of your device please follow the given steps:
1. Turn off GPS, Bluetooth, hot spot, WiFi, Auto-sync when not use
2. Turn on auto-brightness adjust.
3. Clear background Apps and tasks.
4. Limit the App self-starting in the phone manager.
5. Don't download too many apps at the same time.
6. Don't put the phone in the bedding/ plush items, better not use a particularly thick phone protector.
7. Restart your device.
8. If the weather is very hot, it will also affect the heat dissipation of the phone.
9. If the phone worked on the poor internet signal for a long time, will also cause heat and power consumption.
We hope this will help you. Further, if the issue persists kindly let us know.