The firmware also includes aggressive "process latching." Oppo has tweaked the Linux kernel (the heart of Android) to lock certain Oppo apps—like the Theme Store and Phone Manager—into memory permanently. You can’t force-stop them. This is why the A78 4G still has 3.2GB of RAM used at idle, even when no apps are open. It’s not a bug; it’s a firmware feature.
Assuming you're referring to general features and possibly the "Hot" feature in the context of device management or connectivity, here are some points about Oppo A78 4G: firmware oppo a78 4g hot
There are two primary ways to manage your OPPO A78 4G firmware: official OTA (Over-The-Air) updates and manual flashing. The firmware also includes aggressive "process latching
To manually force your phone to cool down: Dial *#*#3646633#*#* (if not disabled by carrier). Navigate to HW -> Thermal . You can temporarily relax the thermal limits—but do this only if you're a tinkerer. You will burn your hand and degrade the battery. It’s not a bug; it’s a firmware feature