OPPO’s official A.17 update (released Q2 2024) contains a revised thermal-engine.conf file that lowers the temperature threshold for CPU throttling from 48°C to 43°C.
How to update:
Changelog relevant to heat:
✅ Result after A.17: Users report a 8-10°C drop in average operating temperature.
If your Oppo A78 4G runs hot, apply these in order: firmware oppo a78 4g hot
Even with perfect firmware, you can keep your phone cool:
Go to Settings → About Device → Version: OPPO’s official A
Recommended firmware to reduce heat: Any version A.22 or newer, preferably Android 14 14.0.0.610.
If these don’t help, proceed to flashing. Changelog relevant to heat: