How hot is too hot?

Discussion in 'HTC Rezound' started by tc1, Mar 5, 2012.

  1. tc1
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    tc1 Member

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    Phone gets very hot when streaming netflix over 4g.

    Watched a show that was about 22 min lond and battery temp was 133 degrees. This is with the extended battery and no case.

    I hope this doesn't become a problem because what's the point of having a phone that may become damaged from simply streaming over 4g?

    Sent from my ADR6425LVW using DroidForums
  2. MrSmith317
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    MrSmith317 Moderator Premium Member

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    That's one that I'd exchange. I've streamed video for my daughter on 4G and wifi and never got above 110(which is super hot for my phone). Take a look at your idle temp and if you're significantly higher with any screen on duration then you should probably swap it. Remember depending on the grade of solder used in the phone 140 degrees could start loosening internal components. Extended exposure to high temps could also damage your screen, memory card, and/or battery.
  3. Droid-Xer
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    Droid-Xer DF Super Moderator Premium Member

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    Ya most devices I've used shut off at about 125°f. Most processors Max out at 160°f. Idle temps should be about 75°f. Also lower screen brightness which can raise temps drastically.
  4. Nosferatu49426
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    Nosferatu49426 New Member

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    Just curious but how are you checking the temperature?
  5. tc1
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    tc1 Member

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    Battery widget..by elvision.

    Forgot to include that this was while plugged in to my car charger.


    Sent from my ADR6425LVW using DroidForums
    Last edited: Mar 5, 2012
  6. MrSmith317
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    MrSmith317 Moderator Premium Member

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  7. Droid-Xer
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    Ya using a car charger can also cause issues with heat
  8. Nosferatu49426
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    Nosferatu49426 New Member

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    Sweet. Thanks. Just down loaded it.
  9. Nosferatu49426
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    Nosferatu49426 New Member

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    Oh and on the house charger right now its 101.7 deg.
  10. tc1
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    tc1 Member

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    It's a good widget, I like how it shows whether the charging source is USB or AC.

    Sent from my ADR6425LVW using DroidForums
  11. Droid-Xer
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    I prefer TempMonitor which shows the temp in the status bar.
  12. Cool_story_bro
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    Cool_story_bro New Member

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    this is too hot

    View attachment 48068

    i just recieved my replacement in the mail, now it has pretty pink LED's at the bottom instead of red ಠ_ಠ
  13. tc1
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    tc1 Member

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    Are you talking about the bottom 4 buttoms? They are now pink?

    Sent from my Kindle Fire using DroidForums
  14. RezoundHound
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    RezoundHound New Member

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    Direct from HTC Customer Service, battery temp on the RZ should never exceed 50 degrees Celsius (122 degrees Fahrenheit).


    RH
  15. JeffDenver
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    JeffDenver New Member

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    I can confirm this is false. One time my phone shut off overnight while charging because the temp got so high. It does this sometimes if charging and I get a text or something I think...it starts heating up for some reason. This has ONLY happened when the included cable is used to plug it into an outlet...I have never seen it happen with other MicroUSB cables or if it is charging via USB on a computer.

    I dont know exactly how high it got, but there is definitely a limit somewhere.
  16. MrSmith317
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    MrSmith317 Moderator Premium Member

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    That's good to know. I hope you returned the phone.. Also just curious if you were running battery monitor or something else that logged the high temp(mainly because I'd love to know what that temp was)
  17. JeffDenver
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    JeffDenver New Member

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    I use Curvefish's battery widget for temp...I dont think it logs it though. I am past the return point...I might be able to get warranty service on it (and if nothing else, I have insurance) but I have not noticed any other performance issues.
  18. andeejo
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    andeejo Member

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    Thanks! I just downloaded battery widget. Just curious as to what temp. is normal after surfing or watching some videos. My stand by temp is 76 degrees then it gets to 85 degrees pretty quick after using. I try not to trap the heat with the back of my hand while using it alot. I dont even know if that helps or not! Should it be the same with the extended batt? I definately notice it gets alot warmer with the carcharger. You would think it would be better to charge it face down to keep the batt. cover faced up and cooler. After having alot of problems with the rezound, I am finally starting to have fun with it!
  19. mountainbikermark
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    mountainbikermark DF Super Moderator Staff Member Premium Member

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    I'm pretty sure it's above 140f.
    The first time I tried to do a complete discharge it was taking forever to drop the last 9% so I turned on 4g, cranked the screen to full bright and flipped on the NFL app and watched a few highlights in my -100dbm den. That puppy got very very warm and I checked circle battery meter temp at 1% of battery left and it was 140f,. The phone shut off soon after that but when I plugged it in the red light flashed red/green (hot battery alert) every time I tried for about 15 minutes , then it finally stayed solid red. The phone may have shut off from heat but I believe it was due to the battery drain.
    I won't do that again.
    Fwiw, my normal temp is about 85f after long use, when inside, with screen on 15% bright. Outside in the cold it's a little lower.

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    A Rezound phone was used for this TapaTalk post
    Last edited: Mar 7, 2012
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