voltage too high charging paused, rooted phone, warranty valid?

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http://forum.xda-developers.com – Hi guys, before you blast me for not looking at the other threads please listen me out . I am getting "Charging paused, voltage too high" on my S II . I had rooted my phone and upgraded to stock 4.0.3 samsung ics 6 months back . Didnt have any issues when suddenly this message came up. I have tried cleaning the usb port and the battery connectors but no use . On looking over the various threads , it seems there is no specific solution to this that works apart from replacing the usb port itself . I wanted to know will this be replaced under warranty now that i have rooted my phon (HowTos)