Other Phones & Devices

We have a TCL Roku/smart TV and our hotspot router (nighthawk) name shows up as an option in the wifi connection settings, we’ve saved the password, but when selected, it won’t connect. We have tried restarting both TV and router many times and the hotspot name always appears but won’t connect. We h

I purchased a pre-owned SS2FII Cell Booster and am having problems registering it. I did a factory reset on the device and downloaded the app. When registering my info I am getting the message that it is already registered. Does the person I purchased it from need to deregister it from their end?