Why Is My Ipad Pro Keyboard Saying Accessory Not Supported. This Apple iOS error pop up comes with varying messages and usual. IPad pro external keyboard stopped working.
Several accessories eg lightning USB cables Keyboards chargers bluetooth accessories may not work properly and cause this. Apple has come out with the following resolution. If you are using a third-party accessory you may experience this.
Some USB-C power adapters and cables appear to be unable to charge the iPad Pro through the Magic Keyboard according to multiple complaints from MacRumors readers.
Next tap on general finally tap the Shut Down button. Likewise you may get also this accessory may not be supported. O Restart your iPad by going into the Settings menu. But it is not a problem that cant be fixed.