: While updates are primarily delivered via Firmware-Over-The-Air (FOTA), some users find the process unreliable and resort to using the TCL Mobile Upgrade tool on a PC or manual USB flashing. How Can I Upgrade My TCL Phone or Tablet?
If FOTA isn't working or you need a more thorough system refresh, TCL offers a tool to update your phone from a computer. Firmware TCL 30 XL 4G
The TCL 30 XL 4G runs a near-stock version of , but TCL has overlaid its own TCL UI layer. The firmware follows the standard Android partition scheme with MediaTek-specific additions. Firmware TCL 30 XL 4G