WiFi and Bluetooth IC 339S00199 / 339S00201 for iPhone 7 / 7 Plus
iMicroSolder - Iphone 7 have a lot of wifi issues. I fix no wifi or Bluetooth for all models of iphone or android device. This one was actually working when we got
iPhone 7 Wifi Greyed Out Repair (Wifi-bluetooth Not Working) - YouTube
WLAN_RF 339S00199 USI WiFi Bluetooth IC Chip For Apple iPhone 7 7 Plus | eBay