I mistakenly dropped my iPhone 11 in the toilet sinc and I removed it immediately I clean it with a towel I placed it horizontally for about 30 min after that I play some music on it and it work perfectly so some minutes later I charged it and when I remove it from charging its still good after some minutes it won't touch some part and it wi touch again after using it that way for some minutes I try to reboot it and when I reboot it a half and quarter part of the screen won't touch I can't even power it off and I can't unlock it please what can I do to fix it and can it be fixed