No, not all cellular networks currently support eSIM functionality. While adoption is growing, some carriers may not yet offer eSIM services.

Here are some tips for checking eSIM support:

  • Check with your carrier: The most reliable way to know if eSIM is supported is to contact your cellular service provider directly. They can confirm if they support eSIM and which plans and devices are compatible.

  • Visit carrier websites: Many carriers provide details about eSIM compatibility on their websites, including a list of supported devices and instructions for activation.

Examples of carriers that support eSIM (as of May 2024):

  • US: AT&T, T-Mobile USA, Verizon Wireless

  • UK: EE, O2, Vodafone

Note that carrier support for eSIM is continuously evolving, so it’s important to consult the latest information from your specific provider.