
Jambosim is a global eSIM provider offering instant, affordable mobile data plans in 200+ countries and regions. Travelers, digital nomads and businesses can buy an eSIM online, receive it by email within seconds, and activate it on any eSIM-compatible device — no physical SIM card required. Our catalogue includes local, regional and worldwide data plans from trusted carriers (KPN, Vodafone, Telcel and many more), with transparent pricing, easy top-ups, and 24/7 customer support.
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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.
JamboSim does not provide a truly unlimited data eSIM for Sierra Leone. The plans marketed as “Unlimited, ” such as the eSIM Sierra Leone Unlimited / 3 Days, / 5 Days and / 7 Days, actually give a fixed high‑speed allowance of 3 GB per day; once that limit is reached the speed is throttled to 1000 kbps. These plans do not offer unlimited high‑speed data.
Instead, JamboSim offers fixed‑data plans that may better suit travelers’ needs, such as the eSIM JamboSim Global 20 GB / 30 Days and the eSIM JamboSim Global 10 GB / 30 Days. These plans give a larger data pool for a set number of days and, for most users, are more cost‑effective unless extremely heavy data consumption is required.
Yes, JamboSim offers eSIM plans for travelers in Sierra Leone that include a phone number and the ability to send SMS. The plans range in price from $11.99 USD for 1GB / 7 days to $105.99 USD for 20GB / 365 days and include 7, 15, 30, 60, 180, and 365‑day validity periods. All of the plans have a dialing code of +1, which is a U.S. number rather than a local Sierra Leone number. The telephony features allow outbound voice calls and outbound SMS, but they do not support inbound voice or SMS. Travelers who need specific call or messaging capabilities should confirm the exact details directly with JamboSim.
JamboSim offers 7 single‑country plans for Sierra Leone and 21 multi‑country plans that include Sierra Leone. In addition to these, 25 of their plans provide a fixed data cap while 3 feature a daily data cap, giving travelers options between a set amount of data and a data allowance that resets each day. The available plans range in price from $1.99 to $106.99 and in data size from 200 MB to 20 GB.
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