ByteSIM does not provide a true unlimited data eSIM for Brazil.
The plans tagged “Unlimited” in the ByteSIM catalogue give 1GB per day and reduce the speed to 10 000 kbps when that amount is reached, so the data supply is capped.
Travelers who need large amounts of high‑speed data can choose one of ByteSIM’s fixed data plans. For example, there are Brazil 50GB data bundles available for 3 days, 5 days, 7 days, 10 days, or 15 days, each with tethering allowed and no reduced‑speed threshold. These fixed plans provide a large data allowance and may be more cost‑effective for most users.