iPhone 16 Cellular Data Not Working After iOS 26.1 Update usually means carrier settings need to refresh, the phone is stuck on a bad network session, or the update changed cellular and eSIM behavior.
Unless there's a problem with your account, a simple reinsertion of the SIM card is the easiest fix This article explains the ...
If cellular data stopped working on your iPhone 16 after iOS 26.1, the cause is usually a carrier settings mismatch, a failed modem restart, eSIM provisioning trouble, or an iOS network service that ...