My Xiaomi refused to make calls with VoWiFi but sms worked. Not MMS. This was straighttalk - beginning of last month when they forced everyone off 3G. At&t use

My Xiaomi refused to make calls with VoWiFi but sms worked. Not MMS. This was straighttalk - beginning of last month when they forced everyone off 3G. At&t users will feel the same pain. I switched to TMO and a garbage unlocked Nord N200 for now I miss my Xiaomi's cameras...