ByteSIM does not provide a true unlimited data eSIM for Gibraltar. The plans titled “Gibraltar Unlimited Data for … days” actually allow 1 GB of high‑speed data, and once that amount is used the speed is reduced to 10 000 kbps. Therefore the data cap is fixed and not unlimited.
If a traveler needs more data, ByteSIM offers fixed data plans such as the 50 GB bundles that last from 3 to 15 days. These high‑data‑allowance plans are available for Gibraltar and can be a more cost‑effective option for most users unless they expect to use more than 1 GB within each day.