PSA – Tmobile upgrade to unlimited high speed data starting 3/16 for targeted Simple Choice Plan YMMV

My family plan is Simple Choice America 6GB / Month per Lines. I just got a text message saying they upgrade to unlimited data for Free starting on 3/16. I check with Tmobile, it’s legit. YMMV ofcourse
Official detail here:
https://www.t-mobile.com/customers/now-unlimited