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Apple's top-of-the-line smartphone for 2020. Announced on October 13th and released November 13th, the iPhone 12 Pro Max sports a 6.7" OLED display, a triple rear camera system with LiDAR, and 5G connectivity. Successor to the iPhone 11 Pro Max.

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Cell error and reboots on own

I keep losing signal and it grey’s out the WiFi , Bluetooth, and cell signal is searching… apple said it was hardware issue and wants $500 to repair it. When this is the 4th time I’ve had the issue and they swapped me out for a new phone. Battery life is now 90% capacity. I’m not able to micro solder the antenna or know what actually went bad .. anyone else have this issue and know what went bad?

Answer this question I have this problem too

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1 Answer

These are fairly common issues with the 12 pro max and although they did replace the device in the past, they never actually fixed the problem.

This model, like previous ones, has a stacked motherboard. Meaning there's two boards stacked on top of each other and soldered around the edges. Those solder joints can become weak or break over time. Or in other cases the chip(s) themselves will have issues. This video will explain it and show how the repair is done. But this is not something you can DIY.

If you're in the states, you can mail your device into VCC and Jesse can repair it. I've personally sent him a handful of board repairs from my shop. He has excellent customer service and I highly recommend him.

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