Yesterday afternoon, BloombergMark Gurman tweeted about an issue some T-Mobile customers are experiencing on iPhones. Specifically, some lines activated with eSIM were suddenly deactivated by iMessage and FaceTime without the possibility of reactivating the line with Apple’s core communication services.
There is a very bad iPhone and @TMmobile bug where iMessage and FaceTime for a device’s phone number will randomly deactivate and there is no way to reactivate it. The only solution that worked for me is to get a new physical SIM card. An extremely disappointing problem.
– Mark Gurman (@markgurman) May 19, 2022
There are a couple of ways to fix this, one of which is to remove the eSIM and re-register the account on the iPhone. Another is to go to a T-Mobile store and get a physical SIM activated and installed to wake up iMessage and FaceTime.
Another solution pointed out to me by some is to remove your eSIM account from the iPhone and set it up again. But this is complex for most people and should never be done. Not being able to send and receive messages is obviously not ideal. It doesn’t “just work”.
– Mark Gurman (@markgurman) May 19, 2022
Since then, T-Mobile has confirmed to Gurman that the carrier is working closely with Apple to resolve the issue. Gurman also explained that this bug is not new and has been confirmed to affect iPhone customers on iOS versions 15.4, 15.5 and the current version 15.6.
T-Mobile has contacted to say they are working with Apple to try and fix the problem. Ring early though. T-Mobile says it’s an iCloud / Apple ID issue. Hopefully this is fixed in an iOS update. https://t.co/DuvSpHGP3l
– Mark Gurman (@markgurman) May 20, 2022

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