I had the same problem, and I wanted to exchange my phone. TMobile wanted $140 as deductible. So I said to myself that I will repair the phone by myself. just before I wanted to use the screw driver I checked once more for possible sources of the rattling. I pulled everything from the phone. I checked that the rattling comes from the pins which connects the wireless charging cover with the phone. They are in the middle of the phone on the sides of the battery.
The other source was the SIM card. The noise was very close to the camera and I thought that I dropped the phone somewhere and something broke inside. I squeezed the aluminum drawer for the sim card, so the sim card did not have any space to rattle, and the rattling almost do not exist anymore.
The other source was the SIM card. The noise was very close to the camera and I thought that I dropped the phone somewhere and something broke inside. I squeezed the aluminum drawer for the sim card, so the sim card did not have any space to rattle, and the rattling almost do not exist anymore.
