wat is the pro and cons for hacking and signing the ori cert as mention above?

do we have any player for avi format movies?

brothers,
i off my phone before i start climbing up broga yest mrg.
and when i came down, i try to on back.
it vibrates awhile after i press the on button, but nothing happens after that.
i tried remove everything. battery, sim, memory and re-on.
nothing.....

anyone knows abt this?

tried, but still no luck.