ContributionsMost RecentMost LikesSolutionsRe: Apple iPhone IOS 16.5.1 and now 16.6 Update Try apple Beta 16 or 17 versions if your phone is younger than mine. My iPad Pro is younger and on public Beta 17.5. Re: Apple iPhone IOS 16.5.1 and now 16.6 Update Which iPhone do you have, as I have the 8 Plus and apple no longer support updates past 16.7.8 Re: samsung s10 plus 'not registered on network', no calls or internet. We’ve been having this exact issue. Full signal and not able to make/receive calls and also no internet. It happens quite regularly, to the point we’re both seriously thinking of changing sim provider.