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The Samsung Galaxy Note II is a smartphone noted for its combination of a large display and software optimized for an integral self-storing stylus.

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USB port had burning smell, won't charge fast, computer not see phone?

  • First symtom was burning smell at USB port.
  • USB charge cable had burn marks on micro end pins.
  • Stopped using that charger.
  • Phone still works.
  • When charging it keeps phone going but battery level doesn't change or takes too long to increase.
  • Burning smell gone.
  • When phone is on it gets warmer than normal about 1/4 the way down from top.
  • Phone is not seen by Computer when connected by USB. Debug enabled.
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my infinix hotnote was connected to my pc via usb cord, all of a sudden the cord stiff there and when i removed i, it emits a burnt aroma and then refuses to charge. please what do you think is the cause or probably what has happen to the phone

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Hi, the Galaxy Note 2 charge port is fairly simple to replace, being a simple flex cable, and will probably solve the issues that you're having. A port can charge, or charge slow, or even appear to charge, and then not, when you have a damaged charge port, all kinds of bad things can happen. I highly recommend that you stop charging it, and replace that charge port assembly. If that doesn't work, then it is time to look at the power management IC, that's a little more of an in depth repair, but not impossible. Hopefully it's just the charge port!

I hope this helps you out.

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Seems like you had a voltage spike or were using an aftermarket cable that caused damage to the charging port on the phone itself or the power management unit on the logic board. This would explain the slow charging, etc.

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If the USB board was damaged would that cause my PC to not see the phone?

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