nextSIM eSIM Data Plans for Thailand

nextSIM does not provide a truly unlimited high‑speed data eSIM for Thailand. All plans that use the word “Unlimited” in their name actually carry a data cap—typically 1GB for a single day or 1GB per day over the validity period, with a reduced speed of 512kbps after the cap is reached. The same applies to “Unlimited Plus” options, which offer 2GB per day with a reduced speed of 2000kbps once the limit is met.

If a large data allowance is preferred, nextSIM offers fixed‑cap plans that may be more economical for heavy data users. For example, the eSIM Thailand 100GB 30Days Standard plan delivers 100GB of 5G data for 30 days, and the eSIM Thailand 50GB 30Days Economy plan provides 50GB for the same period. These fixed‑cap options avoid the speed throttling that occurs on the “Unlimited” plans.

nextSIM does not provide a Thailand eSIM that includes a phone number or SMS service. The provider offers only data‑only eSIM plans for Thailand, and travelers can still communicate via VoIP apps such as WhatsApp, Telegram, or iMessage over the data connection.

NextSIM offers 76 single‑country data plans and 69 multi‑country data plans for Thailand. The catalog includes 107 fixed‑data‑cap options, where the entire data allowance is granted for the plan’s validity period, and 38 daily‑data‑cap plans, where a daily quota is allotted that resets each day. Across all plans the price ranges from roughly $1.67 to $1, 264.89, while the data caps span from 1 GB up to 100 GB, with validity periods ranging from 1 to 365 days.