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HI! I Own a Onda V919 3G Air 64Gb Dual Boot (win 8.1\Andriod 4.4) for about 3 weeks. Unfortunately i´m having an overheating problem. If i´m using it for 30min, or so, it blocks\freezes and appears a message saying thermal overheating. I can can even notice that it really is hot. Is there any solution for this problem? Any help is welcome. Thanks!
Hey guys. Like many here, I was having that severe overheating issue with my Onda V820W Dual-OS tablet. Sometimes when playing a 3D game, the tablet would get too hot to touch! So here is the way I fixed this issue.
First, you need a rooted tablet. I will not explain this here, as rooting the 820 is rather involved, but simple. Just google "How to root Onda V820W" and you will find a topic that links to a russian forums on how to root it. Use google translate, follow the directions TO THE LETTER (Even if the SuperSU message isn't exactly the same as the page says, continue as if it were.), and you will have a rooted device. Takes about 10min.
Next, go to the Play store and grab the No Frills CPU Control. Its small, and very handy. What you want to do in this is set the CPU top speed to 1.6ghz, and change the Govenor to "ondemand". The main problem this tablet has is the CPU loves to run full out even when it doesn't need to. "ondemand" makes sure it only peaks when its needed.
Since doing this, my tablet still gets warm, but I can't fry an egg on it anymore. And I no longer fear it having a meltdown. Hope this helps you guys, have fun!