You may find you start getting this message with your ebay bought cheap iphone 4 to iphone 5 adapter cables , Converter Adapter
Once you receive this message there are two ways to get it to keep working.
1. Plug cable into a usb hub or usb powering device before plugging into phone.
2.
-Plug in Lightning cable to iPhone.
-Dismiss any warnings.Unlock your iPhone.
-Dismiss any remaining warnings.
-Now with the screen turned on, unplug the Lightning cable and Plug cable back in
-Dismiss warning again. It should now be working
3. Turn Phone off and plug cable in, turn off the phone if it turns back on by itself ( will continue to charge even though you cannot see the progress) Only fix that I found to work
