Does the Apple Watch Series 4 (Cellular) support eSIM?
The Apple Watch Series 4 (Cellular) was released in 2018. Below you'll find regional variants, frequently asked questions, and step-by-step setup instructions.
Yes — eSIM is supported.
The Apple Watch Series 4 (Cellular) (2018) ships with eSIM support, so you can activate a digital SIM without a physical card.
Frequently asked questions
Does the Apple Watch Series 4 (Cellular) support eSIM?
Yes. The Apple Watch Series 4 (Cellular) (2018) supports eSIM, so you can activate a digital SIM without a physical card.
How many eSIMs can the Apple Watch Series 4 (Cellular) store?
The Apple Watch Series 4 (Cellular) stores one eSIM profile at a time.
Can the Apple Watch Series 4 (Cellular) use a physical SIM and an eSIM at the same time?
No — the Apple Watch Series 4 (Cellular) does not support dual SIM. You can use either a physical SIM or an eSIM, but not both at once.
Will the Apple Watch Series 4 (Cellular) work with eSIM travel plans?
Yes. As long as your carrier or eSIM provider supports it, the Apple Watch Series 4 (Cellular) can use travel eSIM plans worldwide.
Set up eSIM
Step-by-step instructions for activating eSIM on your Apple Watch Series 4 (Cellular).
Open setup guideLast updated May 10, 2026