Hello friends in this video you can solve or fix the problem for your Android smartphone iPhone camera and also other devices like printer microphone mouse keyboard many more.
If you see a popup like /”a device attached to the system is not functioning/” or error copying files and folder to Computer or laptop from your phone or troubling internet or slow internet by usb from pc to Computer then you can try this method

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More wifi internet sharing video :
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Android Tricks Video:
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Whats Tips and Tricks 2016 :
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About HowTechnical:
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Keep Confidence… Keep Watching… Keep Learning
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