Firmware Tcl 20b [updated] Jun 2026

: You can enable this in Developer Options to allow the device to install updates automatically upon restarting.

: Improves power management to extend daily usage. Firmware TCL 20B

The TCL 20B firmware includes a range of security features, including: : You can enable this in Developer Options

Guide to TCL 20B Firmware: Updates and Manual Flashing Keeping your Firmware TCL 20B