Device guides for

Apple Watch Series 10

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Activate your Apple Watch Set up mobile data on your Apple Watch Turn mobile data on or off Turn your Apple Watch on or off

Getting started

Basic functions

Calls and contacts

Messaging

Apps

Connectivity

Troubleshooting

Specifications

View EID number

The EID number is your Apple Watch's unique eSIM identification number which is used when contacting the service provider, eg. during eSIM activation.