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If your gonna drop $12 for a cheaply made one. Why not just drop a few more $$ for a reliable one that has warranty?

Apple states that it could ruin the phone using other makers products
 
They'll probably work for charging but I highly doubt they'll work for connecting to 3rd party accessories like speakers etc. There's a chip in the Apple cables. I doubt these cable makers had the time to work with Apple to license their cables.
 
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