A:AnswerMy husband's Tracfone had the same issue. I had previously bought a Tracfone OrbitJ3 at Best Buy for me. I just bought one for him also. No problems.
A:AnswerHello ty, here is a helpful link (http://www.samsung.com/us/support/troubleshooting/TSG01001613/#inspect-phone-to-identify-connection-problems) that has some steps on how to fix your phone when you are unable to make calls. ^Elizabeth
A:AnswerYes, the hotspot feature can be used to share an internet connection with other devices. Your remaining question cannot be answered at this time.