[Q] Volume up key does not work

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Hi guys.
When I got my Gio,after some playin',I wanted to clear the screen. After cleaning it with lcd cleaner,3 parts of the touch digitizer didn't work,the volume up key too.After a long dry,all the touch part working except for volume up key..Leaven at easy heat the Android to dry one more day,the same ****..
Help please?
Cannot make the volune higher,just from sound - volume..

Try to use a hair drier for 30-60 seconds (sounds crazy i know, but sometimes it works). If it doesn't help, send it to samsung service.

I will send it,tried with a 2100w one at max. 'wind' and no heat,after 3 minutes nothing,tried with heat,nothing.
Thanks for the answer

Sent from my GT-S5660 using XDA App