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Yes, this is happening with my 14PM, and didn't happen on some of the 16.1 betas.
 
I wonder if perhaps the update borked something with wireless AX or alternately with AC, which would explain why some people have issues and others not. Or perhaps the aggressiveness with which it tries to seek out and connect to what it considers better connections or 5Ghz vs 4.2Ghz? Just speculating of course..
That is also possible, but it will take Apple software developers to test different scenarios to recreate the issue. I rent my router from Spectrum which is an AX capable router which uses band steering, and I am not experiencing these issues while using my iPhone 13 on that setup.
 
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I wonder if perhaps the update borked something with wireless AX or alternately with AC, which would explain why some people have issues and others not. Or perhaps the aggressiveness with which it tries to seek out and connect to what it considers better connections or 5Ghz vs 4.2Ghz? Just speculating of course..
5Ghz vs. 4.2Ghz could be the culprit. I switched to 5Ghz recently. It’s been stellar ever since. Personally for me the iPhone 14 Pro with iOS 16 is the most satisfying experience ever. It just works. But given the experiences of other people seen in this comment section, it’s safe to say: YMMV.
 
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That's happened to me a few times. I toggled Airplane Mode on and off, and that reset it. I'm more concerned about increased battery drain with 16.1. My iPhone 13 mini, with no apps running, went overnight from 88% to 42% by the morning. I have no idea what caused that. When I checked Battery in Settings, it showed a steady but sharp decline in power for no apparent reason. Previously, if my iPhone was at 90% when I went to bed, it was at least 88% when I woke up. I rebooted my iPhone and the drain hasn't been as pronounced. But it's still a lot greater than with iOS 15.
 
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I kinda doubt it’s the problem, but after checking Cellular settings earlier today Wi-Fi Assist had apparently, at some point or another, turned itself back on even though I had it disabled. Might be worth a shot for those having issues to try turning it off if they haven’t already.
 
iPad Air 4th gen, after the update to OS16.1 5Ghz networks totally disappeared, connections to 2.4 are disconnecting very frequently, had to revert to 15.7, everything working, probably won't update ever again

Forgot to say that tried resetting network settings and rebooting a couple of times and nothing...
 
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I kinda doubt it’s the problem, but after checking Cellular settings earlier today Wi-Fi Assist had apparently, at some point or another, turned itself back on even though I had it disabled. Might be worth a shot for those having issues to try turning it off if they haven’t already.
Also might be worth a shot to disable Wireless & Networking in System Location Services if issues persist. Pretty sure that disables the U1 chip/ultra-wideband so if that’s important to you maybe don’t.
 
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Right??? And remember when "fragmentation" wasn't a thing in the Apple universe?


Have we seen the iPad lineup lately? lol
Endless "choice" and "variety", and exactly not one that offers every feature you could want.

Like, why do M2 Pro buyers need to sacrifice the landscape camera and the new iPad 10 keyboard with function keys?
 
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I’ve had this happen several times. iPad connected while iPhone can’t find Wi-Fi
 
Been noticing on my gen 3 late 2018 iPad 12.9 inch pro. Did not see at all in the 16.1 beta cycle however so thought the release would be ok. Especially this morning and last night streaming videos.
 
That sound like a configuration issue with your wireless carrier not an Apple issue. Some wireless carriers go out of their way trying to force you on their native network even if it does not exist in your current location.
I would agree with you but the back and forth dance I described has been like that for years now. From my trusty old iPhone 7 (when we could have roaming data on my country) to my XS max today.
So it's not a problem related to my phone, nor to my carrier because I changed several times since then.
My phone has been bought unlocked and I have a plan that allows me to do whatever I want freely (my colleagues on Android don't have this issue).

The cellular stack in iPhones has always been written by psychotic interns as far as I know.
The thing is, until recent versions, US customers had different radio. We were privileged to get the first Intel radios, and it has been a mess since then.
My kids have the SE2 with Qualcomm chips and it's already much better. That being said the dance still is the same, you just get a faster list of carriers. It also rotates quicker so it's also a worse troll.

I spare you all the steps I've gone through to try to fix this, all kinds of resets and reinstall, nothing changed.

That's why I'm pretty sure this is just bad design and terrible coding done by people never leaving their comfy offices at Cupertino.
 
Happening on iPhones, iPads, Macs and MacBooks. All of them updated to Ventura or 16.1, sadly.

The second I switched off Wifi and over to ethernet on my Mac the connection got stable again.

But I'm having no luck on iPads and iPhones. Resetting network settings didn't help.

All of them switching on and off in intervals of a few minutes or seconds. It's terrible.

All devices essentially offline. Except the Macs with ethernet ports.
 
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“…iPhones are periodically and sometimes randomly disconnecting throughout their day…”

Are these two distinct behaviors?
 
I'm glad I wasn't the only one! Every other device was working fine except my iPhone. Took a few restarts on my iPhone to get my internet connection working again.
 
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I was finally planning to update my phone and iPad to 16.1 today, but after reading about this WiFi bug I'll stick to 15.7 until the next update.
 
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