And while on 4G had ZERO data connection problems. The only time I had problems was when I was on the edge of 3G/4G - my bionic seemed slow. But it was only for a few miles. My husband has had increased problems on his D2 with connection since last week. They are rolling out 4G in my area next week so I wonder if there is a connection. BTW- my phone is factory/no root/no update( I have 5.5).