[AT&T LG Optimus G] mikedenney:
My Tecchy Two Cents

Good post--my GF and I have had our e-970's since Christmas, and yup, there's some overheating...it's the price you pay for having the 'muscle-car' of smartphones. :D

Early on, I went online and found the actual location of the QC Snapdragon 4+ (i just like typing it, hehe) is, of course, right at the hottest spot on the back of the phone, a couple of cm's to the right of the camera there. Also 'of course', this did me absolutely no good, because...well, battery apps are not exactly customizable based on the location of the core, nor should they be (for the sake of this discussion, anyway).

Mine never rebooted, but it did get hot, and a couple of battery control apps later (and regular system tweaks, most notably manually turning off the GPS after every use), mine ran a little cooler.

After I bought our Diztronic cases, however--THROUGH THE ROOF. My first quad-core, here, so I hadn't imagined how hot the sucker would get after that.

I started realizing that all quad-core case manufacturer's would do VERY WELL to design some cooling features into their cases...'case in point' (haaaaaa, I'm awful)...that Diztronic. I got a 'crazy idea' to quit waiting on Diztronic to cold-call me (out of the blue) to 'get my ideas' on the subject, and just start looking around for 'the impossible solution'--that is, a simple craft die-cutting tool of some sort, with a replaceable die that I could eventually find in the shape OF AN ANDROID LOGO (the impossible part).

Truth be told, I'd have been just as happy with a simple, square or rectangular, postage-stamp-sized die, but when I tried one (at a hobbyist's yard sale--you should have seen her worry I was ruining her 'tool'--hah!)...no-go...the Diztronic case, anyway, is too thick, unless you really are okay with sacrificing a hand die tool, or the case (or your community's patience with you attending their yard sales to test your whack 'theories').

My point in dragging this out, letting you read my drivel?

IT WORKED...I finally broke down yesterday and used a craft blade to simply cut-out my hand-drawn Android logo-design, and the rest is pretty kewl AND schweet, if I might say so, m'self.

Pics for yer pleasure (and laughter) at my FB group 'DroidHeads', here:

https://www.facebook.com/media/set/?set=oa.545844385450773&type=1

But it works, and I'm quite happy with it, overall...no digital thermometer here, but I'm quite sure it's cooler, maybe around 5 to 10 degrees F, on avg.

Here's the steps I took to make it turn out this way:

Measure area on phone over CPU I wanted to cut-out

Google a good Android Logo image, easy to trace through typing paper

put a template from the measurement on screen, then shrink the html page enough so that it would fit <CTRL>-

trace image, then thicken it with sharpie (messy, but I cut this out anyway)

Cut it out, lay cut-out on inside of phone case, trace around (I used fine silver Sharpie)

Carve away that logo as smoothly as possible (difficult--took me an hour, dangit)

burn away any rough edges of cut-out with lighter (I had to be careful doing this, testing the flame on the cut-out part first)

trace around showing edges of cut-out with Krylon fluorescent yellow-green paint pen

cut out a piece of metal grid from a PC case knock-out I had (surely you can find one SOMEWHERE...tear something up!)

install metal grid screen behind logo (temporarily with electrical tape, later I'll glue)

RESULTS!

This was my first 'case mod'--ever--so, I advise anyone else doing this to try and make your logo even smaller, not much bigger than the camera knockout on your case (to avoid showing your manufacturer's logo on the back of phone--it's why I was forced to think of the screen!)

Still--very happy, not-too shabby looking, and very photogenic (the case--not my weird ass).

Side-note--I also noticed several games getting the phone overheating in the location of the virtual joystick (Pac-man, MAME, Carnivores hunting game)...the touchscreen gets incredibly hot at the point you're controlling it...so, still waiting for our 'USB OTG'-for-LGOG 'prophet' to come along.

Anyway...it worked (yah, yah, 'Eureka', good for me, and I'll shaddup!).