There are two official ways to ensure your TCL 30 SE is running the latest firmware version: Wireless Update (FOTA)
Perhaps the most practical aspect of the TCL 30 SE’s firmware is its role in security. Unlike the Windows or macOS ecosystem, Android firmware contains the trusted execution environment (TEE)—a secure area of the processor that handles sensitive operations like fingerprint authentication and DRM keys for streaming services. firmware tcl 30 se