In previous years I have bought AT&T prepay phones from Walmart and used H20 sims and it has been successful . I am wondering if things have changed or if this is still possible. The Walmart rep seemed to think activation may be a problem. Has anyone been able to use a new AT&T prepaid phone from Wa

I have a 6s AT&T phone. I have been using it on a prepaid H2o account. Recently I started the process to move to another provider because the AT&T coverage is poor where we often travel. A "port out" was performed by H2o so I could take my phone number with me. All was good until I tried to activate