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Whether your Oppo A78 is physically hot to the touch, or you are looking for the "hot" file to fix a soft-bricked device, using the correct firmware is critical.
| | Firmware Related | Hardware Related | |-------------|----------------------|----------------------| | Heat only during 33W charging | Yes (charge IC logic) | Possibly a bad battery | | Heat while idle (screen off) | Yes (wakelock bug) | No | | Heat concentrated near camera | No | Faulty mainboard | | Heat plus random reboots | Yes (kernel panic) | No | firmware oppo a78 4g hot
Re-indexing files and optimizing app performance for the new OS. Battery Calibration: Whether your Oppo A78 is physically hot to
: Plug in your phone and leave it for 2 hours without use; this helps the system complete background optimizations faster . : Turn off the screen and charge the
: Turn off the screen and charge the device overnight after a successful update to let these processes complete. Disable RAM Expansion
The had genuine firmware-induced overheating in early A.14/A.18 builds. The issue is 80% resolved as of Android 14 firmware version 14.0.0.610 . If your device is on an older build, updating alone reduces peak temperature by ~4°C.
“Same story,” Linh muttered. “User reports ‘phone gets hot.’ Not warm. Hot. Then sudden shutdown. No reboot. Dead.”