Tap the info button next to the watch that you want to unpair. If you require adding a new plan, tap on add a new plan then follow the onscreen instruction. Iphone 12 128gb Black Att - Apple If it’s not turning on, you need to charge it first. Att transfer service to new apple watch . Tap my watch to go back. Try to transfer your esim after you set up your new iphone. You will need to have an at&t user id and password for that different billing account to sync your apple watch. Keep your apple watch and iphone close together as you unpair them. When you pair your apple watch to your iphone, you will be prompted to set up cellular service and guided through a few simple steps. This will remove the plan from your watch, but remember that you have to contact your carrier to cancel the plan. The label appears in phone, messages, and contacts. The version with gps and cellular starts at $499. Once you see the my watch screen, press the picture of the watch to remov...