Phillips Go Gear SA-31 Media Player - Repairing Firmware

I purchased Phillips Go Gear SX 31 Device on 14th Feb 2008 from the Next's store. This is a beautiful black device with easy interface. This was working fine up to Tuesday last week when it started to misbehave. Any song I tried to play was being played in the fast forward mode. It was producing strange sound in the earphones. Thinking that any key might not have released, I pressed all the keys. But that doesn't work. I switched the device off and then switched it on again. Hopefully, I tried to play the song. But again it was running like a jet plain - skipping 4 seconds at a time. The seconds count was 1...5...9...13..so on. Being a software professional (Microsoft technology), I thought of giving the device a hard boot. But the device has in-built battery and there is no way to remove its battery. Today while I was enjoying my Sunday morning (at 11:30 am!), suddenly I remembered that the software that came with the device has an option to repair its firmware. I switc...