iPhone 11 losing network access on last day of the month. Every month.

[pvillega]

Hi,

I'm posting this on behalf of an iPhone 11 user who has the following issue:

Cellular networking dies completely for about 24 hours, on the last day of the month, every month. So far has started working the next morning every time. Several SIMs tested, same result. SIM swapped into other phone: works.

They contacted Apple but got the standard 'please go to Genius, etc' but no fix. We have a couple of questions:

1.- Is this happening to anyone else? If so, does anyone know the fix?
2.- We recall that a while ago Apple got in touch with some user that had some very particular issue in their Mac. This one seems a clear candidate: an 'app store' app shouldn't be able to cause this, while a bug in iOS that causes this could be tricky to find, in some cases. Does anyone know how to try to escalate this? Maybe hoping someone in these forums can

Thanks all!

 

[BugeyeSTI]

I'd say it's a network problem not hardware... Losing network on the last day of every month and then it magically works the following day sounds like network provider issues. Once hardware is broken it usually stays broken or at least starts having the problem more often or for longer periods..

 

[0128672]

If I understand what you're asking, forum users don't have the ability to escalate Apple Support issues. I agree with BugeyeSTI that it sounds like a network issue. Your friend could erase the device and set up as new the day before and see if that might have any effect.

 

[wfaler]

So I am the one with the problem: it is not a network or carrier issue.
* SIM card works in other phones, likewise, no SIM from any other phone works in this phone.
* It doesn't even recognise that a SIM that has a PIN requires a PIN entry.
* Hasn't come back to life this morning (lack of iOS update I presume).

Eventually, after about 8 hours, gives the error in the image below, but when checking for updates, there are none available.
Current roll of the dice is to enroll in the iOS beta programme and installing iOS 14.2 preview, if only to force an update to be made.