Ipad Pro Smart Keyboard Not Working Accessory Not Supported. IPad Pro Smart Keyboard Says This accessory is not supported by this device. However even if you are sure that your keyboard is MFI certified you can experience this problem because of a problem with the Lightning Cable on your devices.
However this is not true for. Rubbing a magnet over all the connectors on both the iPad and the iPad Smart Keyboard also appears to help. Many iPad Pro users report Smart Keyboard connectivity issues even after January 23 when iOS 1125 arrived.
It is highly likely that your iPad Pro is unable to.
And if using a third-party accessory thats not MFI then test on a similar product that is MFI to determine if thats the problem or not If you connect to your accessory using a third-party cable or adapter it may be the cableadapter thats the problem and not the actual accessory like speaker or headphones. If Caused by iOS Update Fix iPad Keyboar not Working with ReiBoot-iOS Repair Master. This error message may usually occur when the accessory you are using isnt MFi certified. Wipe the front and the inside with a soft lint-free cloth.