How long should I leave my iPhone 4S on rice?

I asked this question before but I didn't put that much detail into it.
I dropped my iPhone 4S on the floor and cracked the back of it 2 days before I dropped it in the bath tub. When it fell in the bubble bath I was taking, I picked it up and dried it off as fast as I could. It didn't turn off and it seemed fine. So I let it sit for couple hours and then put it on charge for the night. The next day it worked fine all day until about 7:30 came around. The sound stopped working so I went and got a bowl of rice. I tried to turn my phone off, but it kept turning back on. So I kept it on all night to let it die. The next day I woke up and put it in the bowl of rice and put the bowl in a box. I don't have the stuff to take the batterie out or anything else out like that. How long should I keep it in rice? Is there anything else I could do? Is my phone worth saving now?

Leave it for a couple days, otherwise if your contract is up then its a good time to trade it in and upgrade, they take trade ins even if damaged.

Rice doesn't work. It's done.

Just keep your phone dry for two more days and give it a go. If it doesn't work then it's broken. When that happens, you can sell your iPhone to eCycle Best. They take in broken iPhones.

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