My Samsung Stratosphere keeps losing connectivity and then regains it for a moment, then loses it again. It constantly scans for wireless networks, picks them up, and then loses them before I can even connect. My other connectivity can be 4G LTE, 3G, and no G. This is happening constantly while the phone is sitting still in my home or at other locations. It just keeps scanning and changing. I do have a strong wireless network at my home which has worked flawlessly for years. Anybody have an idea what to do to resolve these connectivity issues? I tried to remove any application which affected the way wireless might operate, including a couple from Time Warner. Any help is appreciated.