The TCL Tab 10 Gen 2 uses a Wi-Fi 5 (802.11ac) combo chip. Older firmware versions on this chip are notorious for:
"I was ready to throw my TCL Tab 10 Gen 2 away. The touch screen had a dead zone near the keyboard. After manually flashing the August 2024 firmware, the dead zone vanished. It literally made the tablet better than the day I bought it." — firmware tcl tab 10 gen 2 better