Cellular RF front and scan test

Question

iPhone 14 Pro

Released September 16th, Apple's "smaller" flagship smartphone features a 6.1" ProMotion OLED, a triple-lens rear camera system, 5G, and a newly designed "Dynamic Island" around the front-facing camera and top sensors. Successor to the iPhone 13 Pro.

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CAB @cabutcher99

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Gepost: 31 jul 2026

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Cellular RF front and scan test

I did a complete housing swap, and when I transferred over the charging dock flex connector the barometer must've been damaged by the alcohol as the diagnostic tool flagged the barometer and it was having a kernel panic. I've gotten a new charging port and it seems to be working fine, no panic. I did a diagnostics test and everything came back fine other than the cellular RF. what is this issue? Is there anything I need to check as far as connections?

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Alisha C @flannelist Rep: 43,4k 29 55 43 · Answer 1 · 2026-07-31T18:07:18-07:00

Alisha C @flannelist

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Gepost: 31 jul 2026

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Cellular issues can be very difficult to pin down because so many components are involved. But based on the fact that you did a housing swap, this is likely an antenna somewhere. This could also be an issue with the new charging port flex cable, as there are some antenna components on that assembly. But, honestly there are antennae everywhere. What happens if you put the old charge port flex back? Or at least connect it back to the board?

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Thanks for the reply. I got another OEM pull charge flex and its working as far as all the testable components but still giving the cellular RF issue. it picks up 1 bar cellular occasionally then drops to SOS or no service. When it did pickup service, it was able to send a text and call, but data was hung up, not sure if that narrows it down any. Any tips or suggestions would be appreciated. Im already in the hole on this phone. The housing frame is a premium part 3rd party from MobileSentrix.

5 aug 2026 door CAB

So i was using a verizon ESIM and it was picking up the 1 bar and no data, but I swithed it to ATT sim and its getting full signal and speeds of 396mbps on 5G but still giving the Cellular RF flag in the diagnostics.

5 aug 2026 door CAB

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iPhone 14 Pro

Cellular RF front and scan test

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