MeSIM does not provide a data‑plan with an absolute unlimited high‑speed allowance for Laos. All of its eSIM offerings for Laos are fixed‑data plans that include a specific daily high‑speed quota—such as 500 MB/day, 1 GB/day, 2 GB/day—or a pre‑defined bundle over a set validity period. After the high‑speed quota is used, the speed is typically throttled to 384 kbps. For travelers who need more data, MeSIM offers fixed‑data plans with longer validity and larger daily allowances, for example an Asia 14 countries 30‑day unlimited eSIM (500 MB/day high‑speed) or a 30‑day plan (1 GB/day high‑speed). These plans are cost‑effective for most users, though they do not grant truly unlimited data.