: Download the official Stock ROM specifically for your sub-model (e.g., 6125F). The firmware name should contain "MT" for MediaTek versions. 2. Flashing Methods Method A: Official Mobile Upgrade S Tool (Recommended)
Prevention is better than cure. Before modifying anything, back up your current firmware using or the Read Back feature in SP Flash Tool. Save the following critical partitions: Firmware TCL 20E
next to the Scatter-loading File and select the file from your extracted firmware. Configuration : Set the download mode to Download Only : Download the official Stock ROM specifically for
Official firmware files are often available for download from third-party databases such as HardReset.info to help with downgrading or repairing devices. Flash Tools: Flashing Methods Method A: Official Mobile Upgrade S
adb shell su dd if=/dev/block/by-name/boot of=/sdcard/boot.img dd if=/dev/block/by-name/super of=/sdcard/super.img exit adb pull /sdcard/boot.img
This is the safest method for most users. It installs the latest official patches directly from TCL's servers.