Unless your phone is completely bricked, avoid manual firmware flashing. Instead:
If you absolutely need firmware links, search specifically for:
"T810H stock firmware SP Flash Tool"
or
"TCL 20 5G T803Y firmware download"
Proceed at your own risk. Always verify checksums (MD5/SHA) if provided. firmware tcl 20 5g link
The most helpful feature regarding the firmware is Smart Charge.
Here is why this feature stands out:
The TCL 20 5G runs a MediaTek Dimensity 700 (MT6833). Firmware is distributed as a SP Flash Tool compatible scatter-based package.
Typical contents:
| Partition | Purpose |
|-----------|---------|
| preloader | Low-level bootloader |
| lk | Little Kernel (secondary bootloader) |
| boot | Kernel + ramdisk |
| dtbo | Device tree overlay |
| vbmeta | Verified boot metadata |
| super | Dynamic partitions (system, product, vendor) |
| md1img | Modem firmware |
| tee | Trusted Execution Environment |
| userdata | Factory reset data | Unless your phone is completely bricked, avoid manual
TCL operates official support websites for different regions. This should always be your first stop.