Mas maganda sana if nabuksan mo ts. Wag mo nalang turn on yung phone for 7 days if nilagay mo sa bigas. After 1 week, charge mo, check mo if merong sign of life pa. If meron, turn on mo yung phone then back up mo mga files mo just in case. Also check mo if merong waterproof/dustproof ip rating yung phone mo. If meron namang ip rating, turn on mo nalang phone mo, 99% chance na working pa yan if meron ip rating.