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Apple's top-of-the-line smartphone for 2021. Released September 24th, the iPhone 13 Pro Max sports a 6.7" ProMotion OLED display, a new triple rear camera system, and 5G connectivity. Successor to the iPhone 12 Pro Max.

iPhone 13pm face id and potrait mode x1 zoom not working!

Greetings Team!

I just had my iPhone 13 Pro Max motherboard replaced, after successfully replacing it I got to know the Face ID doesn't work with the new motherboard. I assumed its same as Touch ID not working when replacing logic board.

But I also found out that my rear camera X1 Potrait mode, front Potrait & cinematic video and measure app camera feature not working, otherwise X3 Potrait mode works and all every other camera feature works perfectly. I am assuming is it because the X1 Potrait mode, and measurer app uses Lidar Sensor of which is not supported with the motherboard. I need suggestions and help on what to do. Many thanks!

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I'm replacing my logic board due to a NAND/interposer/crystal failure and if there's another solution to parts pairing besides a GSX account (ie. 3rd party software, terminal scripts, hardware mods, etc.) any recommendations would be really helpful as I could find nothing.

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If you happen to have access to a top of the line quantum computer (possibly available in the next 10-15 years), then yes, the encryption algorithm Apple uses can be broken, but otherwise they have their parts pairing locked down tight with their Secure Enclave Processor. There is currently no good way around it, and with Apple's aggressive parts pairing strategy, it's only getting worse. The iPhone 14 has really accelerated this trend, with the selfie camera and the wireless charging assembly now paired, along with the ones previously paired including Face ID, the display, battery and rear camera.

Although everyone else in my family are diehard iPhone users, I personally would never buy anything newer than the iPhone X, the last phone where everything other than Face ID was user replaceable. The iPhone 15 is a nightmare for repair shops - unless you sign your soul away and make a deal with Apple, that is.

The upshot is that for pretty much everything after the iPhone X series, motherboard replacements are going to be less and less useful as a fix for motherboard problems.

Sorry, I know this doesn't help, but the only bright side here is the possibility that right to repair laws may force Apple to revise its parts pairing strategy. One can only hope.

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Hey, here some explanations:

Face ID Not Working:

You're correct in assuming that Face ID, much like Touch ID, is closely paired with the original motherboard. Apple pairs the Face ID module to the logic board at the factory for security reasons, so replacing the motherboard without Apple's proprietary tools generally results in Face ID being disabled. Unfortunately, there’s no third-party software or hardware solution that can re-enable Face ID after a motherboard replacement.

Camera Issues (X1 Portrait Mode, Front Portrait, Cinematic Video, and Measure App):

The issues you're facing with the rear camera X1 Portrait mode, front Portrait mode, and other specific camera functions are likely related to the Lidar sensor. The Lidar sensor is indeed critical for depth-sensing tasks like Portrait mode and the Measure app. If the new motherboard isn’t correctly paired or calibrated with the Lidar sensor, these functions may not work as expected.

The fact that the X3 Portrait mode and other camera functions are working suggests that the camera hardware itself is operational, but specific features reliant on the Lidar sensor or related software components are not functioning due to the mismatched motherboard.

Possible Solutions:

  1. Recalibration:
    • If you have access to official Apple diagnostic tools or services, recalibration may restore some functionality. However, this is typically only available through Apple or an authorized service provider.
  2. GSX Account:
    • As you mentioned, access to a GSX account could allow you to pair the new motherboard with the device’s components properly. Unfortunately, this is not an option for most users, as GSX accounts are restricted to authorized service providers.
  3. Consult an Authorized Repair Center:
    • Your best option may be to consult an Apple-authorized repair center. They have the tools and expertise needed to properly pair the components and restore functionality where possible. They might also provide insights into whether your specific issues can be resolved without full replacement.
  4. Third-Party Tools:
    • While there are third-party tools and services that claim to offer repairs or recalibrations, they are often unreliable, and using them could void any remaining warranty or cause further issues. Proceed with caution if you explore this route.

Conclusion:

Unfortunately, due to Apple's strict hardware-software integration, replacing the motherboard on your own comes with significant trade-offs, particularly with features like Face ID and specialized camera functions. Your best course of action is to consult with an Apple-authorized service provider who can help with the proper pairing of components. If an official solution is not feasible, you may need to weigh the pros and cons of living without these features versus the cost of a more comprehensive repair.

If anyone else has encountered and resolved similar issues, your insights would be greatly appreciated as well!

Many thanks, and best of luck with your repairs!

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