Rice is not included in Apple’s official guidance for a wet phone
by Emilia David from The Verge - All Posts on (#6JR45)
Getting water on phones happens to the best of us. Lucky for us, there's one household staple the internet consistently suggests will draw that liquid out and save phones: uncooked rice. But contrary to popular advice, Apple, like most people in tech support, explicitly advises against putting your wet phone in a bag of rice.
Don't put your iPhone in a bag of rice. Doing so could allow small particles of rice to damage your iPhone," Apple support documents said.
The support documents first spotted by Macworld are technically addressing what to do when you get the liquid detection alert on your iPhone. They're not just out to put a long lingering internet myth to bed.
To that end they also suggested avoiding using an external heat...