iPhone won't start when Touch ID is connected
I’ve got a lot of iPhone to repair and some phone came without a screen so the previous owner put with it the Touch ID along side the phones. I manage to paired most of them with their motherboard but there is one phone and one Touch ID (that a I am mostly sure they are a matching set) that when I plug it in the phone the phone just won’t start and I try everything (recovery mode, plug in a Mac, plug in the wall and nothing would power it). Also when I put an other Touch ID sensor in the phone it boot normally (with the warning that Touch ID can’t be enable) and I also check the Touch ID sensor in an other phone and it power on normally. So I don’t know what to do to make this work with the phone. I even try plugging the Touch ID sensor when the phone was running (yeah I know that not a thing to do but I did it) and immediately when I plug it in the phone shut down. Any ideas why ?
EDIT:
I tried what would recommend me and it did nothing, but let me be more precise about the situation
I have 2 phone. Phone 1 (P1) who have the problem with Touch ID and phone 2 (P2) witch is a perfectly working phone. For both phone I use the p2 screen assembly.
when I plugged the Touch ID presumably match to p1 the phone don’t boot at all. When I plug the Touch ID of p1 in p2 it work (with the touch id warning ) then if I plug the Touch ID of p2 in p1 it also work (still with the warning) so it’s like both work independently but the phone don’t boot when they are together.
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