I watched an interesting YouTube short last night from a guy who replaced an iPhone 14 back glass, but after doing so was no longer about to take photos with flash.
He was able to determine that the problem was because he didn't take off the wireless charging coil and put it on the new replacement glass. He did so, and no longer had any issues.
Companies have become (possibly have always been) hostile to the end user. There is no reason an exact same part should cause malfunction. Specifically if it's an OEM part. Apple is notorious for serializing parts and locking them to a particular device. Their reasoning isn't terrible: security reasons. But the WIRELESS CHARGING COIL?! If that has any security level ramifications, it's at government level espionage. By which point, they already had your device to replace the part. And it should have long since been considered compromised.
I believe you are conflating "things should be simple enough for your average consumer to fix" with "I should be able to have a professional who knows what they are doing replace a part", and not have to pay an arm and a leg to have a manufacturer send out that professional. See many of the horror stories of John Deere.
Louis Rossman is an excellent example of a professional I'm referring to. The man can seemingly work miracles. Apple seriously does not want him to. They fight him tooth and nail to make it hard for him to fix Apple devices.
Apple does care about government espionage, especially for journalists, human rights activists. But if a government can hack a device, so can criminals or people trying to make a quick buck by 'refurbishing' the phones with fake parts.
I can't take anything Rossman says serious since his 'miracles' can't be performed at scale. Apple doesn't fight him, they simply have different priorities.
If you have lost physical control of your device long enough for hardware to be replaced, you should consider it compromised and untrustworthy if you are working at that level of attack risk.
And they absolutely could be done at scale. If more people were in the field and had the know how, it could absolutely be done at scale. In many of his video he remarks that it's difficult for him because he can't source parts, because Apple refuses to sell them to him. He has to go to eBay to buy parts for many devices he fixes.
He was able to determine that the problem was because he didn't take off the wireless charging coil and put it on the new replacement glass. He did so, and no longer had any issues.
Companies have become (possibly have always been) hostile to the end user. There is no reason an exact same part should cause malfunction. Specifically if it's an OEM part. Apple is notorious for serializing parts and locking them to a particular device. Their reasoning isn't terrible: security reasons. But the WIRELESS CHARGING COIL?! If that has any security level ramifications, it's at government level espionage. By which point, they already had your device to replace the part. And it should have long since been considered compromised.
I believe you are conflating "things should be simple enough for your average consumer to fix" with "I should be able to have a professional who knows what they are doing replace a part", and not have to pay an arm and a leg to have a manufacturer send out that professional. See many of the horror stories of John Deere.
Louis Rossman is an excellent example of a professional I'm referring to. The man can seemingly work miracles. Apple seriously does not want him to. They fight him tooth and nail to make it hard for him to fix Apple devices.