samsung s2 authetication problem, please help!!

[AC Question]

I have a samsung s2 which connects to every other wifi portal I've ever tried but not mine! It autheticates but then comes up with 'authentication problem'.. I have tried turning it on by aeroplane mode etc but doesnt work. My mums s3 connects easily. Please help!!!

 

[B. Diddy]

Welcome to Android Central! Review this guide and see if any of the tips help: http://forums.androidcentral.com/am...roubleshooting-wi-fi-connection-problems.html

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