Originally Posted by lferran26
I am fully connected to wifi but i am unable to send and receive texts and send and receive calls...only when I have good service I can do so. I thought because I was connected to wifi no matter what I could do these things?
Simply means you are out of range to your nearest cell tower, you can use a network booster app to boast your signal strength
just download any of these free apps and give it a go https://play.google.com/store/search?q=network+booster&c=apps