How To Fix Accessory Not Supported Ipad. Clean your Apple Accessory. You can also do the following.

Accessory Not Supported Error On iPad Pro Smart Keyboard. Plug your charger in when you get the error message hold your finger on the dismiss button and pull your charger out. Once the firmware is downloaded.
After confirming the following interface click Fix Now.
To clean the accessory plug wipe it down or carefully scrape off the debris. Click Repair Now to absolutely fix iPhoneiPad. A problem with the Apple iPad one that appears to be quite common and has people practically pulling their hair out in frustration is the iPad error message. If this is the first time that you tried to use the accessory make sure that it.

