Mobile telephony

MultiSIM for Apple Watch

Make calls and browse the internet independently.

The MultiSIM service for Apple Watch lets you stay connected without relying on your iPhone. By sharing the same mobile number and your existing plan, you can make and receive calls, send messages through iMessage, and listen to Apple Music or Spotify Premium directly from your watch, among many other features.


This service is ideal for those times when you go for a run, head to the gym or simply prefer to leave your mobile at home, but still want to stay reachable and connected. The Apple Watch works independently, offering total freedom and convenience.
 

With MultiSIM, you enjoy a complete experience on your Apple Watch, with its own connection and no hassle, wherever you are.

Key benefits of MultiSIM

Same service number as on your iPhone

Same service number as on your iPhone

Shared mobile rate

Shared mobile rate

Standalone Apple Watch

Standalone Apple Watch

Launch offer

(valid until 31/12/26)

Registration fee

6€

0€

per device

Monthly fee

5 /month
0 /month

for the first 6 months

per device

Save 36€

Before signing up for the MultiSIM service, you must check the following

Have a valid contract rate (except Modular).
Have VoLTE enabled on your iPhone.
Be registered with our Online Shop.
Your iPhone must be compatible with MultiSIM; therefore, it must be an iPhone 6s or later model.
Your Apple Watch must be compatible with MultiSIM; compatible models include the Apple Watch Series 3 (GPS + Cellular) or later (GPS + Cellular).
Have iOS version 26.5 or later installed.

FAQs

The Apple Watch GPS + Cellular is designed to support Apple’s native apps, such as iMessage, Apple Music, and more. Some third-party apps may not update properly or may have certain limitations when the Apple Watch is not connected to the iPhone. You can find all the information here:

The MultiSIM service allows you to have another eSIM with the same phone number as your mobile line (and current rate) so you can use it on your Apple Watch. This way, you can use the same mobile line on two devices at the same time.

Any contract customer on current plans (except Modular).

Prepaid customers must switch to a contract plan.
Business customers will require prior authorisation from the administrator via their account manager or by calling 115.

You can sign up for and activate your MultiSIM directly from your iPhone’s settings. This process is launched automatically from the ‘Watch’ app on your iPhone when you pair your Apple Watch.

Yes, you can have up to 2 Apple Watches per mobile line.

From the ‘Watch’ app on your iPhone, tap “Add Watch” and follow the steps, selecting the “Transfer” option.
Remember that you must have access to our Online Store.

Once you have everything set up on your new iPhone and your Apple Watch is unlocked, open the ‘Watch’ app. 
If your iPhone asks you to confirm that you want to use the watch, follow the instructions on the iPhone screen.
Otherwise, using the ‘Watch’ app on your previous iPhone, unpair the Apple Watch and, once this is done, pair it with your new iPhone.

You can do this via our Online Shop or by calling 115.

You can unpair the Apple Watch via the ‘Watch’ app on your iPhone or cancel the MultiSIM service for Apple Watch via our Online Shop.