Der eSIM Ratgeber von BuddySIM

The standard line for calls and texts has probably been switched to the Buddysim eSIM. Since BuddySIM doesn't offer a phone number, you need to make sure that your primary SIM card is selected for calls and texts. Check the settings on your phone and make sure that your primary SIM card is enabled for these features. Attention: There may be costs associated with your mobile phone contract if you use the primary SIM card for calls and texts abroad.

After your trip, you can simply deactivate the eSIM but leave it installed on your smartphone. You can then easily reactivate it on your next trip by simply adding new credit. This saves you the hassle of reinstalling and is immediately ready to go again.

Please never delete your eSIM without first contacting our support team. Transferring the credit or reissuing the QR code is only possible if the eSIM has not yet been activated. Once activated, it is no longer possible to restore or reissue. Contact our support team for more help.

If your phone was stolen or broken, please contact our support team. Transferring the credit to a new mobile phone is only possible if the eSIM has not yet been activated. Once activated, the eSIM can no longer be transferred to another device.

BuddySIM only offers mobile data eSIMs, so there is no phone number. Our eSIMs are only intended for mobile data use when traveling. However, you can easily make calls via WhatsApp or other VoIP services.

Don't worry, when your data volume is used up, nothing else happens for now. You can't incur any additional or unexpected charges with your BuddySIM eSIM. You simply don't have Internet anymore until you buy or recharge a new volume of data.

The error message probably looks like the image below and says the eSIM could not be activated. In this case, when manually entering “https://” and the “/” at the end, you must delete. You can then continue with the activation.

There are various ways to check whether your eSIM is active. Open Settings on your phone. Go to Cellular or Connections, depending on your operating system. Here you can see a list of active SIM cards, both physical and eSIMs. With Android, it's easy because the cards are referred to as eSIM 1 and SIM 1. With iOS, you need to recognize which of the SIM cards is your eSIM. This is usually very simple: The eSIM is displayed under its name without a telephone number, while a physical SIM card is listed with the corresponding phone number. The eSIM without a phone number must be the line for mobile data.

The iPhone 17 is expected to be released in September 2025. After Apple has already switched to eSIM-only with the iPhone 14 in the USA, our experts expect that the EU models will also come with a pure eSIM variant. This means that the iPhone 17 will be eSIM-compatible. With the introduction of Universal Link for iOS 17.4 and later, which allows users to easily install eSIM without QR code scanning or manual entry, Apple has already taken a supporting step towards eSIM.

Yes, we offer various continental packages: eSIMs for Europe, Latin America, North America, Oceania, Asia and Africa

Yes Please note that if the primary SIM card is activated, there may be roaming charges for calls and texts from your network provider. You don't have to remove your SIM card from your smartphone.

Yes, it is possible. The connection is also not throttled.

Check your email inbox for previous messages with the QR code or contact our support at: [email protected]

In the smartphone settings, you can determine which SIM is used for mobile data. Detailed instructions per device can be found at: buddysim.com/activation

No, not currently available. We may be available at airports in the future.

There are no automatic costs. The Internet is interrupted until new data volumes are loaded without reinstalling the eSIM.

No, currently only online. We may also be available in retail stores in the future.

The eSIM compatibility of an Android device is determined by the installation of an eSIM by the manufacturer. For this reason, we offer a list of devices that support eSIM to make verification easier. buddysim.com/check However, in some situations, a device that is listed as eSIM enabled may not support the technology. Android, as an open-source operating system, allows any device and network provider to make changes. As a result, there may be device models in certain countries or regions that do not support eSIM. It could also be that the provider you purchased your device from hasn't enabled the eSIM feature.

The volume of data required is very individual and depends on the duration of the trip and the use of apps, such as social media and map applications.

Exclusively in our online shop or via partner platforms.

Unfortunately, the Samsung Galaxy S20 FE is not eSIM capable. Unfortunately, all FE series smartphones are not eSIM compatible, but you can use two SIM cards or a SIM card and a microSD at the same time. A list of eSIM-enabled Samsung devices can be found here.