I own both a Huawei Mercury and a 4G LG Regard. I live on the far edge of town were internet service is spotty and don't get a 4G signal inside the house. I have tethering on both phones that I use for my PC to access the internet. The Mercury works great with USB tether, but still locks up, or acts slow after a while. The Mercury on Wi-Fi tether, is super slow and can't watch videos. The LG Regard rarely even works. It is much slower than the Mercury, and eventually freezes up. Should I try a different Cricket device, such as the Crosswave. I don't need a DSL or cable connection as I am seldom home.