Why Did My Apple Charger Stop Working. That chip tells the iPhone that it is certified to work with it. Remember that dust and lint will not.

Stop using your devices when they are charging. Or has charging become slow or is charging intermittent even though the cable is plugged in and the charger is working. One person even goes so far as to say the cables are exc.
How to check if your charger is working.
A lot of fake cables have a fake chip in them. Stop using your devices when they are charging. Who knows you only need to fix the lighting cable or the adaptor. Even if its an Apple brand iPhone charger.
