T610, turn off, but not turn on.....

[PaPiTo]

Hi,

I´ve a little problem with my T610. It turns off normaly by pressing the on/off button. But for turn on the phone, i must remove the battery, wait a few seconds and mount the battery, in this moment the phone turns on and normal function.

Can somebody help me whit this?

Thanks in advance.
PaPiTo