Iphone submerged in water, logic board has water damage?

My phone was under water for 10 sec. Atleast and in my wet pocket for about 2 minutes. Led wouldnt turn off and power / lock button didn't work… Put it in rice and two days later i charge it apple logo pops up then writing pops up above the apple logo.

Will the guy taking my phone to clean it out and try to fix it need my passcode? And will my contacts, apps, photos, music, internet history still be on my phone? Like when he fixes it turns and on and stuff?

My best bet would be to put it in rice another day and try it again.
If you have I cloud then your pictures and music should be saved onto your i cloud account!

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