Help

After you have placed the order, it takes a maximum of 15 minutes for the email to arrive. However, it usually only takes 2 minutes.

Make sure to provide your correct email address during purchase and ensure that your inbox is not full.

If you have not received the eSIM within this timeframe, please check your spam folder or simply contact our customer service.

No. With the simsun eSIM, you simply get access to the internet and no new phone number.

The advantage: You don’t have to buy a new SIM card or register a new number.

Yes, and the best part: No throttling or additional costs.

No.

With the simsun eSIM, you are not entering into a contract, as it is a prepaid eSIM.

Yes, of course. You can still make calls and send SMS with your physical SIM card.

Think of the simsun eSIM as an additional SIM card that only provides access to the internet.

Your simsun eSIM will only be activated once your device connects to the mobile network in the destination country and data is used.

After purchase, you will receive an email from simsun eSIM with a QR code and a download link. You can scan this or activate it directly depending on your device.

Alternatively, open the settings of your smartphone: Settings > Mobile Data (or “Cellular”) > eSIM.

For more information, refer to your device’s user manual.

An eSIM (embedded SIM) is an additional SIM card that is already integrated into the smartphone or other device.

Check if your device is listed under Compatible Devices.

Most new smartphones, tablets, and laptops, as well as various IoT devices, are already compatible.

We work with leading mobile network operators and always choose the provider that offers the best coverage and quality in the respective region. Through regular analysis and adjustments, we ensure that our customers always benefit from the best available network.

After you have requested a refund and the eSIM has not been activated within 30 days of purchase, we will refund the full purchase price.

The refund will be completed within 5-7 business days. If something went wrong, please contact customer service.

Check in the settings if data roaming is enabled for your simsun eSIM.

If you have booked a simsun eSIM for abroad, make sure you are in the respective country and check if your data volume has been used up.

If you still have problems, please contact simsun customer service.

Please understand that we have no influence on the local expansion of the mobile network and its availability.

By email.

Therefore, please make sure to provide your correct email address during purchase and ensure that your inbox is not full.

To check the data volume of the eSIM, you can open the settings on your device and select the corresponding eSIM. There, the used data volume will be displayed.

Alternatively, you can also click on the activation link you received via email or view it in your customer account.