
4S eSIM is a new global connectivity brand built by a team with strong experience in the telecommunications industry. Our partners provide direct network access to multiple mobile operators worldwide, giving us first-hand network resources and the ability to offer highly competitive pricing. We aim to make staying connected abroad simple, reliable, and affordable for everyone — from frequent travelers and digital nomads to business professionals and international students. With instant activation, flexible regional and global data plans, and no need for physical SIMs or complex KYC verification, 4S eSIM delivers a truly borderless mobile experience.
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Data plans for this provider are automatically updated. While we strive to keep the information accurate, we cannot guarantee its completeness or accuracy. Please confirm all details on the provider's official website or app before purchasing.
4S eSIM does not provide a truly unlimited data eSIM for the United States of America. All plans listed under the “USA Unlimited” banner give a daily allocation—such as 3GB/day or 5GB/day—and after that amount is used the speed is throttled to 1000 kbps, so the data is not unlimited.
Instead, 4S eSIM offers fixed‑data plans that may be more economical for most travelers. For example, the North America‑365 days‑500GB plan provides 500GB of high‑speed data for 365 days, and the North America‑365 days‑300GB plan offers 300GB for the same period. These plans give a large data allowance with no daily limit and no subsequent speed reduction. Choosing a fixed data plan can be a more cost‑effective option unless a user expects to consume data beyond the daily allotments of the “Unlimited” plans.
4S eSIM does not offer any United States of America eSIM plans that include a phone number or SMS capability. All available plans sold by 4S eSIM for the United States of America are data‑only.
Travelers who need to make calls or send messages can use popular VoIP applications such as WhatsApp, Telegram, or iMessage over the 4S eSIM data connection, which does not require a traditional phone number or SMS service.
4S eSIM provides a mix of single‑country and multi‑country data options that cover the United States. For USA‑specific usage there are 43 single‑country plans and 96 multi‑country plans available from the provider. The catalog of offerings spans a wide range of pricing, from roughly $1.30 to $1, 329.99, and data caps between 100 MB and 500 GB, with validity periods that can be as short as one day up to a full year. The plans are divided mainly into fixed‑data packages and daily data‑cap packages; 129 plans use a fixed data amount while 10 focus on a daily data allocation. This diversity gives customers flexibility in choosing the style of plan that best suits their travel or daily usage needs.
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