Which iPhones Will Boot With Top Board Only

When troubleshooting a board issue on a 2 layer sandwich board, sometimes it's a good idea to isolate the board to the bare minimum. That includes, splitting the sandwich & test with the top board only.

When in doubt, test the top board with a known good bottom board in a socket jig tool, like a Qianli iSocket.

Below is a list of each sandwich model & what happens when you test with top board only