Sony ericcson K510i

My phone is K510i

I press the power button of the phone, phone start up and show the sony ericcson logo and then power off....

When the phone charger pluged in to the phone and power on phone is working well

Please help me to my problem


Thank you.............

change battery and post result

I powered it using my power supply, but it was same result
And I will post immediately the result by changing the battery

Thank You riders4siam :):):)