Locate the small chip near the ribbon cable connector (e.g., Silead GSL1680, FocalTech FT5x).

While these chips originally shipped with highly customized Android kernels, there is a significant Linux mainlining effort

4. Step-by-Step Guide: How to Flash Firmware via PhoenixSuit

: Users have reported issues where hardware like the touchscreen works in recovery mode

A: No. Firmware is board-specific, not chip-specific. Newer firmware from a different board will almost certainly brick your device. Only use firmware explicitly labeled for your exact motherboard model.

Firmware for Realtek Wi-Fi chips (models like 8702as or 8723bs) must be present in the correct partition. If you flashed generic firmware, these binaries are often missing. Extract wifi or bt firmware from your original backup or find a firmware package that explicitly mentions your Wi-Fi chipset.