[rcush]

I acquired a Nexus 4 from a friend after it had fallen into a (clean) toilet. She sent it to me to attempt to fix, and I too started with silica gel, moved onto placing it near the boiler, and eventually set it beside a dehumidifier. After a couple of weeks the phone appeared bone dry, but I couldn't get past the boot screen.

Fast forward six months of the Nexus 4 sitting in a drawer forgotten about. I took it out and charged it. Amazingly, the phone now works 100%.