How do I activate the Watch SIM on the Apple Watch?

Modified on Wed, 27 Sep 2023 at 03:32 PM

To activate a cellular plan on your Apple Watch, you first need a supported Apple Watch model series (e.g., Apple Watch Series 3 or newer) with Cellular capability and an active Watch SIM option. How can I buy the Watch SIM option?


  • Make sure your Apple Watch supports a cellular plan. (Cellular/LTE capable
  • Make sure you have the latest version of iOS installed on your paired iPhone.
  • Make sure your Apple Watch has the latest version of watchOS installed.
  • The Apple Watch must not be active in a family configuration.
  • Make sure that the Apple Watch is connected to your iPhone via Bluetooth.
  • Your Apple Watch must be connected to the iPhone that has our SIM/eSIM installed.
  • The iPhone must be connected to a WLAN or LTE/3G network.

Install mobile tariff:

As long as you meet all the requirements above, you can start setting up.

  1. Buy the Watch SIM option first: How can I buy the Watch SIM option?
  2. Pair your Apple Watch with your iPhone if you haven't already.
  3. Open the "Watch" app on your paired iPhone.
  4. Go to "Mobile network" and select the mobile tariff "DR".
  5. Follow the instructions to add your mobile plan.
  6. After the activation process is complete, you can check if the cellular connection is enabled in the settings on your Apple Watch.

The "Mobile radio" key turns green when there is a connection. The green bars indicate the signal strength. The cellular button turns white when your cellular plan is active but your Watch is connected to your iPhone via Bluetooth or Wi-Fi.

The activation does not work?
In such a case, we recommend unpairing the smartwatch or resetting it to the factory settings and then restarting the mobile plan activation again. Important! First create a backup of the Smartwatch.
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