
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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4S eSIM does not provide a plan that offers truly unlimited high‑speed data for South Asia. All plans that carry the word “Unlimited” in their name have a hard data cap and a reduced speed of 1000kbps once that cap is reached, so the data is not unlimited.
Travelers can instead choose from fixed data plans that give large data allowances. For example, the Global 50GB plan valid for 90 days supplies 50GB of high‑speed data, and the Global 20GB Unlimited plan valid for 15 days offers 20GB of data with a reduced speed after the limit. These fixed plans can be more cost‑effective for most users.
4S eSIM does not provide South Asia eSIM plans that include a phone number or SMS capability. Only data‑only eSIM options are offered; travelers who need voice or messaging will generally rely on VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection, but they should confirm that these services are available in each South Asian destination before purchasing.
The 4S eSIM Global plan covers Bangladesh, India, Sri Lanka, and Pakistan in South Asia. The plan also includes many other regions worldwide, but those are the South Asian countries it serves.
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