Hi All, So I gave my wife my iPhone 5 to replace her 4 when I got my 6+. However I am encountering 2 issues with her phone... 1. It never goes to LTE. Only 4G service. Someone said I need to Provision my phone. Is this something I can just call ATT for? 2. Whenever she gets a phone call it also rings on my phone. How do I stop this? Thanks all.