There are no unlimited‑data eSIM plans from eSIM.sm for Guinea‑Bissau. The available options are fixed data plans, such as the 3GB 10‑day eSIM for $52.70 USD and the 3GB 15‑day eSIM for $55.70 USD. These plans provide a set amount of high‑speed data that is fully usable for the specified validity period.
Choosing a fixed‑data eSIM can be more cost‑effective for most travelers, unless an exceptionally heavy data user requires an unlimited allocation. The listed plans include tethering, allowing the data to be shared with multiple devices, and cover the entire country of Guinea‑Bissau.