Board Thread:Tapped Out Help/@comment-78.148.180.150-20150811191448/@comment-78.148.176.213-20150812210644

I have an iPad Air how do I clean the cache and my partner has an iPhone 4s .. We have tried restarting the game uninstalling the game and reinstalling we have tried when we put the details in it says email not valid ... But it's defiantly that email lol ! I will try the cache clearing but just don't know how