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International eSIM by OneSimCard

The OneSimCard eSIM is an electronic, embedded SIM card that offers our super-affordable international data roaming services at 4G/LTE speed without having our physical SIM in the phone. OneSimCard eSIM is delivered instantly online, so there is no need to ship the physical SIM, saving you both time, and the cost of shipping.

The OneSimCard eSIM is fully independent of other OneSimCard global roaming products, because it works only with eSIM-capable mobile devices. However, it offers all of the same blazing fast mobile data, voice and text services and plans with which you are familiar from OneSimCard’s physical SIM. The list of supported phones for OneSimCard eSIM will continue to expand as more eSIM-capable mobile devices become commercially available.

eSIM Benefits

eSIM allows a compatible phone to essentially become a dual SIM phone working with two sim cards from different providers simultaneously. Devices supporting eSIM and a physical SIM-card, e.g. iPhone XS/XR/XS Max, allow simultaneous operation of the physical SIM card and the embedded SIM – eSIM. From the settings menu of your eSIM enabled phone, you can easily select which SIM card to use at any time, or use one SIM provider for voice and sms and another for mobile data. You are in complete control.

An active internet connection (e.g. WiFi or Cellular data connection) is required on the phone while you create a new eSIM account on your phone. To install the eSIM, simply scan the QR code from your online account and follow a few simple steps to finalize the installation.

Supported devices

As of December 5 2019, the following Google and Apple devices using iOS 12.1 or higher are supported:

  • iPhone XS
  • iPhone XS Max
  • iPhone XR
  • iPhone 11
  • Pixel 4
  • Pixel 3a*

*Pixel 3a can't use eSIM if the phone was purchased in Japan, or if bought with Verizon or Charter service.

Important facts about OneSIMCard travel eSIM

  • OneSimCard eSIM supports DATA, Voice and SMS.
  • 4G is operational only in supported networks.
  • eSIM can only be installed on one device and can’t be moved to another device. However, eSIM can be removed and then re-installed again on the same device up to 10 times.
  • Due to security features of the eSIM, it is not refundable. Once the QR code has been displayed in the portal, the eSIM can’t be returned or refunded for any reason.

Installing OneSIMCard eSIM

  1. Go to Settings -> Mobile Data -> Add Data Plan. The device camera will switch on, ready to scan your OneSimCard eSIM QR code and to start downloading the eSIM.
  2. Scan the QR-code with your camera. Important: the code may only be downloaded once, and only onto one device.
  3. Click on “Add cellular plan”.
  4. eSIM will now be downloaded to your device.
  5. A screen will appear asking you to give a name to your eSIM-card. You may keep the default name, i.e. “Secondary,” or call it a name of your choosing
  6. Another screen will appear asking you to choose a default SIM-card. Choose eSIM for DATA connection.

Learn more about how eSIM operates at the official Apple site: https://support.apple.com/en-us/HT209044

OneSIMCard eSIM downloading and re-use options

One eSIM profile (ICCID) may be downloaded to a single device only (linking to the device IMEI). Should an eSIM profile be removed from one device, it will not be possible to download the same eSIM profile to any other device in the future.

Once downloaded: The eSIM profile can be removed from your device and then re-downloaded to that same device up to 10 times.

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