Hello Community. I got a reply and I understand that a GSM-compatible phone will work. However, my question was in regard to 3G versus 4G, 5G phones. ATT is getting out of the 3G network. So, a ...
I am thinking of switching to the Freemium Sim card. Will the Freemium Sim card work on a 3G GSM flip phone? Specifically, the ZTE Z223 model from AT&T. Thank you.