4S eSIM eSIM Data Plans for Luxembourg

No, 4S eSIM does not offer a truly unlimited data eSIM for Luxembourg. All of the plans listed for Luxembourg include a specific data cap and, after that limit is reached, traffic is throttled to a reduced speed of 128 kbps.
If a traveler needs a larger amount of data, 4S eSIM provides several fixed data plans such as the 20 GB plan valid for 5 days, the 30 GB plan valid for 30 days, or the 50 GB plan valid for 5 days. These plans offer a high data allowance for the set validity period before the speed reduction applies, making them a more cost‑effective option than an unlimited plan for most users.

4S eSIM does not provide a Luxembourg eSIM with a phone number or SMS capability. Only data‑only plans are available from this provider for Luxembourg. Travelers who need to communicate can use popular VoIP apps such as WhatsApp, Telegram, and iMessage over the data connection. However, some destinations may block or restrict access to specific apps or VoIP services, so it is advisable to verify that the apps you rely on are accessible in Luxembourg before making a purchase.

4S eSIM provides 54 single‑country data plans and 108 multi‑country data plans for Luxembourg, offering a total of 162 different options in this market. The plans cover a price range from $1.18 to $146.84, with data caps between 1 GB and 50 GB and validity periods spanning 1 to 365 days. Some plans include a reduced speed feature of 128 Kbps.