Question for ya'll RE: U2 IC

Tony Tone

So whenever you plug-in a USB cord and it won't charge with new port & battery is U2 IC (iPads & iPhones).

So my question is: Why do I have a cable made by Belkin that will charge all devices with a damaged U2 IC? I've used several Belkin USB chargers, Apple chargers, etc. Nothing will charge a damaged U2 IC except this one cable.

Why is that?

What is it about this particular cable that can bypass the U2 not working?
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