Product Name: Wi‑Fi / Bluetooth Combo IC for Xiaomi Mi 4 – WCN3660B
Compatible Model: Xiaomi Mi 4 (2014)
Part Type: WCN3660B combo Wi‑Fi / Bluetooth IC
Function: Replaces damaged or non‑working Wi‑Fi / Bluetooth IC – restores wireless connectivity
Material: Glass IC chip with gold‑plated solder balls
Specification: WCN3660B
Usage: Internal repair – resolves Wi‑Fi or Bluetooth not working, unable to turn on, or weak signal
OEM: Yes – high quality replacement