Good day. Ever since I updated to iOS 6.1 a few months back, I've been getting lousy 3G reception. In places where I used to get around 3 bars of 3G, now I cannot even get 3G at all and the phone switches to 2G. Also, in places where I used to get around 4 bars of LTE, I can only get 2G signal now. Is there anyway I can disable 2G and force my iPhone to use 3G or LTE only? Without a jailbreak. Thanks in advance.