There are two primary ways to manage your device's software:
The TCL 20E runs on with the TCL UI overlay, providing several "smart" utility features: Firmware TCL 20E
Limitation: This only works for official, signed OTA packages. It cannot downgrade Android versions. There are two primary ways to manage your
# Check current firmware version (adb shell) getprop ro.build.version.incremental getprop ro.tcl.build.fingerprint Firmware TCL 20E
Some persistent malware embeds itself into the system partition, which a factory reset cannot remove. Flashing a fresh copy of the original firmware wipes the system partition clean.
There are two primary ways to manage your device's software:
The TCL 20E runs on with the TCL UI overlay, providing several "smart" utility features:
Limitation: This only works for official, signed OTA packages. It cannot downgrade Android versions.
# Check current firmware version (adb shell) getprop ro.build.version.incremental getprop ro.tcl.build.fingerprint
Some persistent malware embeds itself into the system partition, which a factory reset cannot remove. Flashing a fresh copy of the original firmware wipes the system partition clean.