Posting this in case anyone else on O2 UK has seen the same.
Setup:
iPhone 15 Pro Max on O2 UK with the O2 Satellite add-on active
Was running iOS 26.4 RC (23E244), then later updated to 26.4 final (23E246)
Carrier bundle updated from 69.0 to 69.1 via the usual "Carrier Settings Update" prompt...
I have an iPhone 5 running iOS 9.3.2. I currently do not have active service on the phone but continue to use it on wifi as basically an iPod. I keep getting a pop-up asking me to update the carrier settings but I am afraid to since the phone does not have service. Will updating the carrier...