After a week of two attempt to dehydrate it, we managed to be able turn the phone on and normal operation seems fine, the LCD screen seems clear by now. But there are two problems: 1. No sound from speaker at all 2. battery deplete really quickly, I think it will last a few hours idle rather than a day or two.
I don't have any kind of insurance which cover the phone damage, so I have either to throw the phone away, or trying to spend money have someone else repaired it for me. So my questions is, is it economical to repair the phone fully, or it is really hard to say from the information I provided but it is probably too expensive for the price of the phone itself is something $500 brand new I believe.