S Pen Only Compatible with Samsung Galaxy S24 Ultra 5G .Don’t Fit Other Brands Galaxy S24 Ultra models And Don’t Fit Galaxy S24 , S24 FE , S24 Plus models Air Command Touch-Free Control Air Command Touch-Free Control Bluetooth connection settings: [Step 1] From the S24 Ultra Phone Settings app, select Advanced features and tap S Pen s24 Ultra [Step 2] Tap the Galaxy S24 Ultra Phone Air actions [Step 3] Tap the galaxy S24 ultra phone More options icon [Step 4] Select Reset S24 Ultra S Pen [Step 5] Your S24 Ultra Pen Replacement will be reset and reconnected to S24 Ultra 5G phone. You may experience a brief delay before it finishes connecting [Step 6] Please contact me if the S Pen S24 Ultra does not connect to your Galaxy S24 Ultra phone. [Step 7] Please refer to the manual and product usage video for the settings of connecting the stylus to the phone.