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I know hoping to perform a screen replacement on an iPhone XR but the screens are serialized. I have access to a hot air station and am hoping to transfer the old serial chip to the new screen so as to keep all functionality. Is this possible without hurting the screen? If so, which chip is the one I should be working on?
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Hi Josh,
The iPhone XR screen is not specifically paired to the motherboard; rather there is a programmable number called the MtSN that can be copied either from the original screen or the phone itself and programmed into your replacement screen. That will give you back the TrueTone function.
Other than that the screen is not serialized like, say, the iPhone 12 and later phones where you will get a message telling you that the screen cannot be determined to be genuine. Unlike those, the loss of TrueTone is the only consequence of replacing the screen on a X, XS, XR, or 11 phone.
In short, no one swaps chips on an iPhone XS; rather you get a programmer like the JCID VS1E or the QianLi iCopy and just program the data into the new screen if you can't live without TrueTone.
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Is there a way I can program the original MtSN to the new screen without buying an incredibly expensive tool?
@joshyacktman I understand; I had to do quite a few screens before I could justify the $85 I spent on my iCopy. However, there appear to be less expensive options available on AliExpress if all you want to do is program True Tone. Here's an example for about $25, which is fairly reasonable, especially given that the XS screens are dirt cheap nowadays.
Hmm. I’m a big fan of supporting domestic brands but I can’t find any alternatives to these tools made in the US because of intellectual property laws. Do you know any alternatives to the Qianli iCopy made in the US?
@joshyacktman I am not aware of any such tools made in the US, sorry.
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