Just updated my iPhone XS to the iOS 14.8, and now I have lost the cellular data (No Service) as well, never had such an issue.
I have tried everything above, nothing helped!
Additionally, I have an iPad Pro 11inch 2nd generation which has been also updated to the latest iPadOS 14.8, tried to use my sim with it and it has the same issue, No Service
Ziv_Greenberg
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