Modifying the device name is not supported in the Nothing X app. If required, please follow the below steps: For IOS: 1. Settings>Bluetooth>pair Ear (stick). 2. Tap "i" icon>Details>Modify the device name.
For Android: 1. Settings>Connected Ear (stick) 2. Click Settings. 3. Select "Edit" in the top right corner. 4. Change the name.