I have tried it all! I just got a factory refurb Rezound yesterday to replace my broken ThunderBolt. Booted it up, connected to internet, made a call...no problems! Then I plugged it in to charge it up and noticed that it was pretty warm, but was not too concerned as it was just charged, etc. I noticed it ran a Verizon update, but did not notice what it was, so I checked to see if ICS had updated. It had not, so I checked via the Software Update. It found one, and I installed the ICS update. I again noticed that the phone was running hot, but chalked it up to the update process. A little while later I noticed it was REALLY hot, so I installed Battery HD to check it out and saw that it was pushing 130 degrees and the Battery Health was listed as overheating. I then figured I should turn it off and charge and then start fresh.
After a few hours charging while off I checked, still hot. Booted up and it was running around 120, so I started to do some research and finally ended up here. I tried the factory reset first. It did not change anything. Starts out around 85-90, then quickly rises to around 105 while doing nothing but leaving the screen on (no apps running, no push email, no locators turned on). Nothing installed but Battery HD to monitor. After a few reboots and charges, I decided to try the 4.3.605.2 install (via the link above) this morning around 8am. Update worked fine, but did not seem to help. Battery was close to dead by noon and it is still running around 105-110 on average, with nothing but the screen on. If I run an app or surf the web, it goes up to 125.
I tried fully charging while off, and then turning it on and leaving it on all afternoon with just the screen on (no activity at all). It stayed around 105-110 all day and then went up to around 120 right before the battery died approx 4 hours later. What do you all think. Bad phone? What to try next...Thanks for the advice!!!