urgent!! w910i problem~

[crash21598]

there's something wrong with my -w910i-


when i played the music with walkman player, the sound become softer and louder , softer and louder..its like the sound is fluctuating....


but when i play it on the memory card.. the sound doesnt flutuate. its normal.

Pls Help

[crash21598]

omg.. any1 at least help??