Guest Stockywalker Posted December 17, 2015 Report Share Posted December 17, 2015 Since I updated my tablet to Android version 5.1 I cannot connect to my WiFi system. From settings it displays I am connected to the router, but then I have displayed the message, "Authentication problem". Any suggestions on what I have done or what I have to do to receive emails. Link to comment Share on other sites More sharing options...
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