Reference
Heat builds up in the tablet and the AC adapter while the tablet is in use or being charged.
- Heat buildup while the tablet is in use or being charged is normal and should not affect the performance of your tablet.
- The tablet may shut down for safety when overheated. If this happens, use the tablet in a cool area until it cools down.
- If your tablet becomes abnormally hot, it may be in need of repair. Turn off your tablet, and stop using the the AC adapter and tablet. Contact the service/support center named in the warranty.