Just after I hang up, the 3G icon changes to 4G and the cell coverage graph reverts to full-coverage

Definitely great deal for this price!!!.Major problem i see is if you don't use Wi-Fi data, network over 4G seem sluggish very very sluggish or say useless ( over T-

Poor sound quality on calls, unreliable text messaging, slow speeds on wifi or 4g

Just after I hang up, the 3G icon changes to 4G and the cell coverage graph reverts to full-coverage

Definitely great deal for this price!!!.Major problem i see is if you don't use Wi-Fi data, network over 4G seem sluggish very very sluggish or say useless ( over T-

Poor sound quality on calls, unreliable text messaging, slow speeds on wifi or 4g