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There are free apps in Google Play like Trepn that show you exactly what happens to the CPU frequencies of all cores during a file download. This data is captured in the background so the screen can be off. They also show the CPU load and actual power consumption in mA or mW. I've found that downloading a large file over Wi-Fi uses more power than you would ...


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If its downloading 1 file from 1 site - barely works: Its offloaded to modem. If its downloading via torrent - Might work harder; decrypting, hashing, etc... Basically Downloading takes little CPU -----> I am gonna guess youre asking "Why does downloading eat my battery so hard?" If that is the case: Then Think of your Cell(3g,4g,etc) and Wifi As giant ...


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It depends. It might act the same like when the screen is off, or it could be on a lower frequency. It is up to the kernel. There are tools which gives you the control, how the CPU frequency will change when the screen is on/off like Device Control


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The launcher usually is considered to be the homescreens and app drawer, and they come in all sorts of flavors and designs. When you hear people talk about "stock" Android, this usually is what they're referring to -- homescreens and app drawer unchanged from what Google includes in the open-sourced code.


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A launcher, in simple terms, is an interface for your home screen; it determines the appearance of it, if you like. If you were to install a 3rd party launcher (Nova is quite common), it would not run on TouchWiz, nor would it uninstall it. If you do install a new launcher and want to go back to using TouchWiz, it's just a simple matter of tweaking a few ...



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