Home Button replacement on iPad Pro 9.7
I tried repairing a torn flex (between the button and the chip, where it folds) on an iPad Pro 9.7. I have the correct tools, microscope, and the skills, but it is so tiny, the work is very tedious. (And yes, I have watched the repair video on YouTube - it's not the easy one.)
I'm giving up and buying a new button because the owner is okay with the lack of Touch ID functionality - I used the pin code to get in and disable passcoding.
But... I hatched a different plan.
I unsoldered the 'cap' over the chip, and removed the chip, a 4x5 ball array, ~1.7mm x 2.1mm package). The plan was to buy a new button and replace its chip with the security matched chip. I think it is doable. But (you will all laugh), It went flying from my tweezer when I attempted to turn it over for re-balling, never to be found on my work area floor, full of equipment and parts. At that point I gave up and ordered a new button.
Has anyone attempted this sucessfully? I think it can be done. I'm quite sure it contains the logic for the home button wire array decoding and an eprom for the security matchup to the logic board. Obviously, Apple can put new buttons in and change the syncing with special software through the USB cable - that's how I would design it.
If you want to discuss this in greater detail, use my email
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