My HTC One X took a soaking in an emergency situation, pulling a drowning child out of pond. The phone went fuzzy at the Emer. Room. Then shut out & couldn't be re-started. I read the forums about the rice & baking soda, however having replaced an HTC screen twice before I was in no mood for the time & energy to open it up. (Some good videos out there just search youtube).
So I went to a tried & true method.....
Previously I'd found that perspiration from winter bike training rides, my phone would get a moisture build up & the microphone wouldn't work until I dried it out. (I could hear people on a call but they couldn't hear me). I would put it over a forced air vent and sometimes that would work. And if it didn't I'd pull out the heavy hitter -- the space heater!! I sent the phone an close but adequate distance from the heater turning it every so often exposing the different holes to the hot air being pushed into & around it.
Sure enough, after 3 hours of this the HTC One X I was convinced was toast came back to life. It had internal streaks/patches of dark on the screen but that was to be expected. If I had longer time to leave it near the heater they probably would dissipate as well. (now if the hypoxic little boy in the ER can come thru his warm up process and be all good things will be perfect!)
Thanks to everyone who contributes to these forums, our joint experiences can be so helpful as there is no better testing ground than real life!
Whether you open the HTC up or don't open it & just used forced air or a space heater -- use common sense, know your experience might be slightly different, but you're stacking your odds in the right way giving these methods a try. Good luck!