Navigate to -> System -> System Update (or Settings -> My Device and tap the TCL UI text).
: You can find archived stock firmware versions at third-party sites like HardReset.info , but official tools are recommended for security. firmware tcl 20 5g link
: Your phone will automatically check for available software. Navigate to -> System -> System Update (or
: This site maintains a database of official stock firmware for various TCL models, including the TCL 20 5G firmware and regional variants like the TCL 20 5G UW . : This site maintains a database of official
: The custom interface (TCL UI) is noted for being lightweight compared to competitors, though it lacks the advanced customization found in flagship brands. How to Check for Updates
To help you verify what to look for, here are typical firmware version strings for the TCL 20 5G: