Yes, Google released a Carrier Services update that broke SMS-texting for some people, on December 2-3, and later released another update that fixed the problem. Details:https://www.androidpolice.com/2020/12/10/google-is-rolling-back-a-carrier-servic...
I have a solution for Android users who suddenly couldn't send/receive SMS-texts as of December 2 or 3 - but it's not relevant to lack of cellular data, so you may be having a different problem. My inability to send and receive SMS-texts was due to a...
