My Wifi doesn't work

[AC Question]

I Have a deactivated phone and i had it for 3 years and I want have wifi on it.(I own a samsung galaxy prevail from boost) when I try to put wifi on it, it will either say "disconnected" and when I try connecting it, the password box will show. All things are correct but when i type in my password it will say disconnected again ant the box will appear again but this time inside the password box it will say unchanged. What does this mean? (By the way, we got this router not to long ago and it's pretty strong..) I TRiED everything! I

 

[B. Diddy]

Welcome to Android Central! It's generally helpful for you to tell us what you've tried, instead of saying you tried everything (which will make people less likely to respond, since they may assume they can't help). Review this guide and see if the tips help: http://forums.androidcentral.com/am...roubleshooting-wi-fi-connection-problems.html