Not sure if that is the problem but if you want to, you can give it a try! The Wi-Fi antenna is located under the earpiece speaker (top left corner). The Bluetooth antenna is located in between the battery and the two cameras. (1) Follow this guide: here but do not remove the Taptic Engine! (2) Remove the metal bracket on the top of the earpiece speaker. (3) Unscrew the two Phillips screws securing the earpiece speaker into the housing. (4) Unscrew the two tri-wing screws securing the Wi-Fi antenna into the housing as well. (5) Carefully remove the Wi-Fi antenna making sure to not damage anything close to it! (6) Unscrew the three Phillips screws securing the camera bracket. (7) Disconnect the camera flex cable (Top left of battery) (8) Remove the cameras. Do not directly touch them! (9) Disconnect the Bluetooth antenna’s flex cable (To the left of the camera flex cable) (10) Remove the five Phillips screws securing the Bluetooth antenna to the housing. (11) Remove the Bluetooth antenna. (12) Follow the...