No Calls or SMS after iOS16.7.13 earlier today

We have 2 x iPhone 8Plus. Earlier today we installed the apple - recommended iOs update to v 16.7.13 to address Triple Zero issues here in Australia.

Now we can not make calls, send SMS and have no 4G connection. I have tried the steps suggested online, namely

Turn off & on again, remove and reinsert SIM, resett network settings

Can I revert to the version prior to that one?

Earlier iPhone models

Posted on Jan 26, 2026 10:20 PM

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Question marked as Top-ranking reply

Posted on Jan 28, 2026 9:43 PM

Per Telstra page, Update is now available:


Update 29 Jan 2026 at 3:30PM (AEDT):

  • Apple has released a carrier settings update to fix this issue
  • To install the update, follow these instructions:
    • Connect your impacted iPhone to Wi-Fi
    • Tap Settings > General > About
    • Accept the carrier settings update by tapping “OK”
    • Confirm the update installed by going to Settings > General > About and make sure it says “Telstra 54.1” next to Service Provider
  • If the Service Provider version does not show “Telstra 54.1” check you’re connected to Wi-Fi and repeat the steps above.


104 replies

Feb 3, 2026 2:24 AM in response to Reg F

I've just finished installing iOS v16.7.14 - unfortunately it's not any better. Service Provider now shows 54.1.1.

The phone seems to be constantly hunting for the 4G network. The phone also drops from full 5 bars (I have excellent Telstra coverage where I am) to zero bars, and back again. Like it's constantly dropping on/off the network.


When I try to call my phone with it, it worked twice but only after a very long time to connect. But since then it doesn't appear to be working. I can't call the iPhone 8 (like it can't be found on the network), and when I try to call out from it, it seems to try for a very long time, then just time out with "Call Failed".


*EDIT*: And yes, have done the usual reboot the phone, airplane mode, reset network settings etc.

Feb 4, 2026 6:00 PM in response to Reg F

Looks as though my post was removed as I used the H-word (as in "Heaven and H-word").


Basically:

  1. Telstra were no help in resolving the iOS 16.7.14 / service provider issue, and
  2. Apple were no help in looking at phone settings.


Now at the mercy of Apple and the next iOS update... whenever that might be.


Good luck to anyone still with a phone problem.

Feb 4, 2026 8:17 PM in response to pfeerick

Telstra couldn't even tell me whether they were still in conversation with Apple to resolve issues. I think that I read somewhere that iPhone8 Plus still has issues... but I could be wrong.


I have to retrieve my friends phone again and call ALDI Mobile. One hopes that there's a dialogue happening between some of the 3 players in this.


As for remote diagnostics no, but did discuss the settings and have performed multiple reboots and a reset of network settings, although I can't see how that would help. There was a suggestion that the phone may have a hardware issue that needed repair, but that would be one H-word of a co-incidence. Nowhere near an Apple outlet of any kind here, but I think that would be a long shot in any event.


Friend's SIM works in my iPhone 14 Pro, but my SIM does not get the iPhone X back on the air.


So, ALDI Mobile next, but the eeyore in me thinks that'll be a bust too.


More to come. :-)

Feb 6, 2026 8:18 PM in response to KimSBok

Slight update: My friend was happy for me to back up his phone, bring it back to factory defaults, and then restore the backup. The only issue preventing me was that, as there's a Mobile Data issue, the phone said that it could not be activated until that was resolved. If this error survives the initialising of the phone, then it would essentially be a brick. So, I haven't taken it back to bare bones.


Interestingly, I can't get iTunes to recognise any phone at present, so I used the "Apple Devices" app from Microsoft Store to back it up. It looks a lot like an older iTunes app, but I have no experience with it. Too many unknowns to go taking to the iPhone X with a baseball bat.


So again, we wait...

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No Calls or SMS after iOS16.7.13 earlier today

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