Ipad Keyboard Not Supported By This Device. If Caused by iOS Update Fix iPad Keyboar not Working with ReiBoot-iOS Repair Master. If your iPad Pro doesnt detect your Smart Keyboard or you see an Accessory not supported alert on your iPad Pro make sure theres no debris or plastic covering on the Smart Connector pins on the keyboard or the Smart Connector on the iPad Pro.
Fix iPad Pro Keyboard Problem. See Get information about your iPad. This serial number is located at the bottom of the keyboard.
All it takes is just going into the Settings and then General and then Software Update to check if there are any new updates waiting for to be downloaded.
O Restart your iPad by going into the Settings menu. Restart your iPad Pro. To do this just press the home button and the power button at the same time for at least 10 seconds. Tap Get then follow the prompts to install.