Click the button. The progress bar will run. Do not disconnect the cable. Once a green checkmark appears, flashing is complete.
The TCL software update page is the first place to look. Firmware TCL 30 XL 4G
Unlike Xiaomi or OnePlus, TCL does not provide official unlock methods for the 30 XL. Unofficial exploits (e.g., using a patched preloader.bin or SP Flash Tool’s advanced format) are risky and can hard-brick the device. Click the button
Before proceeding, ensure you meet all requirements to avoid bricking your smartphone. Firmware TCL 30 XL 4G