iPhone 17 Pro – Consistent Signal Drop and Data Failure Despite Full Bars

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iPhone 17 Pro – Consistent Signal Drop and Data Failure Despite Full Bars

I’m facing ongoing connectivity problems with my iPhone 17 Pro. The device often shows full bars but calls and data stop working, especially when turn off wifi and return to data use. It still shows 5g with two bars pf signal without being able to connect to internet or receive a message/call.

Apple Support has already walked me through every standard procedure: updated iOS and carrier settings, reset network configurations, removed all accessories, and confirmed through remote diagnostics that no faults were found. The issue remains.

Support also asked whether I was using a VPN or custom network profiles, I’m not. My setup is clean, and I’ve tested with and without VPNs to rule that out.

The same eSIM and carrier worked flawlessly for two years on my iPhone 14 Pro, in the same areas and conditions, so I don’t believe this is carrier-related. I’ve noticed several other iPhone 17 users reporting identical connectivity symptoms, which suggests a broader pattern worth investigating.

I’m posting here to highlight this recurring issue and to see if any users or Apple representatives have received updates or solutions that fully restore signal stability.

iPhone 17 Pro, iOS 26

Posted on Oct 26, 2025 12:31 AM

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Answer 1

Top-ranking reply

dkotsas Author

Level 1

10 points

Nov 29, 2025 12:01 PM in response to Jeff Donald

'Slower than iPhone 11': Complaints rise over iPhone 17 cellular lag issues. A growing number of Korean users are reporting cellular connectivity issues with the iPhone 17, raising concerns over a potential hardware or software defect. The symptoms include slow internet speeds and lagging mobile response times.

Apple has officially acknowledged several software-related issues with the iPhone 17 series and confirmed that fixes are being developed and released via software updates.

The main problems Apple has acknowledged include:

Camera Glitches: Apple confirmed an issue with the new AI-powered image processing system on the iPhone 17 and iPhone 17 Pro/Air models that causes the camera to freeze, stutter, or produce images with black squares under specific lighting conditions. Apple stated this is a software bug, not a hardware fault, and a fix is included in an upcoming iOS update.
Connectivity Problems: Apple support representatives have acknowledged widespread complaints of cellular network and Wi-Fi connectivity issues. Users reported dropped calls and unstable internet, with the problem potentially stemming from a new custom N1 chip or the initial iOS 26 software. An upcoming update, iOS 26.1, is expected to resolve these issues.

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Answer 2

Jeff Donald

Level 8

44,496 points

Oct 26, 2025 3:49 AM in response to dkotsas

After removing the VPN software and profile from your iPhones management settings did you reset your network settings? If not, please do so.

Reset iPhone settings to their defaults - Apple Support

Please follow the steps for just resetting your network settings.

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