MobineX does not provide a genuinely unlimited data eSIM for Vietnam. All plans that carry the word “Unlimited” in their name actually have a set data cap that ranges from 1 GB for a 1‑day plan up to 169 GB for a 30‑day plan, and once the cap is reached the speed is reduced to the throttled rate indicated (for example 128 kbps or 1024 kbps). If you need a large amount of data, you can opt for a fixed‑data plan such as 65 GB for 10 days, 91 GB for 15 days or a 100 GB plan valid 60 or 180 days, which may provide better cost‑effectiveness for heavy consumers.