Solutions:
1. It is suggested to check the environmental temperature to ensure it is within the recommended range.
2. Move any heat sources away from the TV to prevent it from heating up more slowly.
3. Ensure that the ventilation openings on the TV are not blocked to promote proper air circulation.
4. It is suggested to install the TV according to the manufacturer's instructions to ensure proper ventilation and prevent it from heating up more slowly.
5. Please refer to How to reset realme Smart TV? to restore the TV to factory settings.
6. Please refer to How to update realme TV system (OTA)? to upgrade the TV software.
If the issue persists, please contact realme customer service.