If an update is available, follow the on-screen instructions to download and install it. Tap Restart Now once finished to complete the process. 2. TCL Mobile Upgrade Tool
by going into "Developer Options" and toggling the switcher so your phone updates every time it restarts. Troubleshooting and Unbricking Firmware TCL 20E
:
Go to Settings > About Phone > Model .
TCL does not host public firmware downloads. Official update paths: If an update is available, follow the on-screen