To change the eSIM number for your watch or transfer the number to a new watch, you'll need to first deregister from the activated eSIM service, reset the eSIM configurations, and then re-activate the service.

1. Deregister from the activated eSIM number by contacting the carrier. Otherwise, fees will be deducted continuously.
2. Use a new phone number or a new watch to activate the eSIM service. Activating the eSIM service for the HUAWEI WATCH 3/WATCH 4 Series

 

• Contact your current carrier to check whether porting out your number to another carrier will affect the eSIM service.