2023-07-31 15:23:54
The replacement of faulty parts on an iPhone or an iPad remains a recurring source of concern when the repair is not carried out in a center approved by the Holy Apple.
Dysfunctional repairs
Between a new unrecognized iPhone battery and an unknown iPad screen, Apple’s alerts are more or less restrictive. Thus, according to Arstechnica, a problem has been identified by the British repair company iCorrect. The operation consisted in repairing the partially broken screen of a tablet. Note that the latter was still working and that the Apple Pencil did not present any particular problem in terms of pairing or use.
The repairer proceeded to change the screen using that of a similar iPad out of service but whose viable components were recovered to serve as spare parts. But once installed, the Apple Pencil refused to work properly. A line drawn diagonally across the screen showed a significant pixelation effect, and therefore very little line smoothing.
A bridle from Apple?
Suspecting a small pirouette from Apple – such as linking a specific chip to a specific screen – in order to prevent any repair from an unauthorized service provider, iCorrect therefore tried to swap the chips in question between the two iPads, which made it possible to solve this particular case but not to provide a lasting solution for all operations of the same type.
The boss of the British repair company, Ricky Panesar, indicated that this might occur with the screens replaced on the new iPad Pros (12.9-inch models from the fifth and sixth generations and 11-inch models from the third and fourth generations). These have a memory chip that sits on the screen and is programmed to only allow the Pencil functionality to work if the screen is plugged into the original motherboard.
On the proposed video, we can actually see the differences in layouts between the moment when the iPad has its original screen (in green), its new screen without the chip (in red) and the new screen with the changed chip ( in blue).
We remember a similar practice for the Touch ID and Face ID of the iPhone 12 and 13. Indeed, replacing the screen meant that Face ID stopped working. Again, a chip controlling the screen was indeed paired with the serial number of the phone. It was already iCorrect which, in October 2021, had already managed to circumvent the problem by replacing the screen of an iPhone 13 without losing Face ID.
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