Gen 2: Firmware Tcl Tab 10

An interesting piece of information regarding the TCL Tab 10 Gen 2 firmware is that it includes a dedicated

Processor Support: Optimized for the MediaTek MT6762 Helio P22T (Octa-core, 2 GHz). Firmware TCL Tab 10 Gen 2

I understand you're looking for the firmware for the TCL Tab 10 Gen 2 (model numbers often starting with T610 or T616 depending on region). An interesting piece of information regarding the TCL

System Settings — Settings > System > System update: This is the recommended, OTA (over-the-air) method for receiving official TCL/partner updates. Always use Wi‑Fi and charge the device above ~50% before updating.
TCL support site / regional support portals: Official firmware images and update instructions may be published for some models; check the tablet’s exact model number on the device label or Settings > About tablet.
Carrier or retailer portals: If purchased via a carrier/retailer, firmware may be distributed through their channels.

Paper: Firmware Recovery & Flashing Guide for TCL Tab 10 Gen 2

Locate your model number:
Settings → About tablet → Model number
Common TCL Tab 10 Gen 2 variants: System Settings — Settings > System > System