Walkman draining battery?

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http://forum.xda-developers.com – The past 2 days just listening to music on my phone has been draining battery very quickly and heating up the phone, I'm not sure what's happened to make this the case, hoping someone has solution or I'll try repairing via pcc Sent from my LT22i using xda app-developers app Attached Thumbnails   (HowTos)