No truly unlimited data eSIM plans are offered by eSIMCard for Thailand. All plans that carry the word “Unlimited” actually provide a fixed amount of high‑speed data—most commonly 1 GB per day for the duration of the plan—and when that amount is reached the connection is throttled to speeds such as 512 kbps. Because of that cap, eSIMCard’s unlimited‑named plans do not give an uninterrupted unlimited data experience.
If unlimited speed is required, travelers can choose one of eSIMCard’s fixed data options instead. For example, a 100GB eSIM for 90 days or a 100GB eSIM for 180 days is available for Thailand, both unthrottled and offering a large, flat data allowance that can be more cost effective for users who consume significant data. Similar plans such as the 50GB for 90 days are also available, providing further choices for fixed‑data usage.