It isn't a good idea to subject your phone to an untrusted network that someone set up for malicious intent. Even if you spot an open Xfinity WiFi connection or use Now WiFi Pass, stay away from it ...

This can clear out temporary glitches and re-establish a stable connection. Refreshing Network Settings When you turn Wi-Fi off and on, your device refreshes its network settings.

If you want to test your network speed, turn off your WiFi connection; if you want to test your WiFi speed, turn it on. 2. Open the Fast app and the speed test will immediately begin.

We may receive a commission on purchases made from links. You know how this story goes. Every time technology promises to improve your life, your wi-fi network comes up a little short. You've stowed ...