Notice: 1. This stylus pencil does not support PRE-2018 versions of the iPad series, please confirm your devices before you place an order.2. Compatible list: iPad 10th/9th/8th/7th/6th Gen, iPad Mini 6th/5th Gen, iPad Air 3rd/4th/5th Gen, iPad Pro 11 inches 1st/2nd/3rd/4th Gen, iPad Pro 12.9 inches 3rd/4th/5th/6th Gen.3. If the stylus pencil can’t work, please reset your iPad or iPad Pro as follows: Settings--->Apple Pencil--->Turn off the Apple pencil. Settings---> Notes--->Turn off "Only Draw with Apple Pencil", and make sure the pencil is full charged.4. Please turn off the Bluetooth connection before using our stylus pen if you have connected the "apple pencil".5. Update your iOS system to 12.2 version or above. It has a better user experience if used with the iPad tempered glass screen protector.