Dear All, Many of us use this terrific so to teather computer to unlimited data on our cell phone. But it seems that certain phones (or is it the provider or version of Android?) have problems disconnecting from it. Let me give you an example. My LG Optimums L7, also on Tmobile, running Android 4.2 on 4G stays connected and runs great. However, this Samsung Galaxy S3 on Android 4.3 running 4LGTE. Interestingly, if I change settings to 4G,it disconnects less frequently but enough to cripple it. I'd love a fix AND feedback from anyone else having connection issues so I can forward to customer care along with my own troubleshooting. Thanks!