Contact your carrier to unlock your phone before boarding your flight. By following the steps according to the requirements of each network service provider. And after unlocking, then insert the Thai SIM card. In Thailand, all sizes of SIM cards are available. And the unlocking process may require additional service fees.

For tourists staying in Thailand for no more than one week. Activating the telephone and internet networks at the airport is another convenient and time-saving option. This is because carrier counters at airports focus on internet, calling, and messaging packages that are suitable for short-term travelers. For tourists staying in Thailand for a long period of time, they should contact the service provider's store directly. which are located in general department stores To choose to buy a package that is suitable for long-term use at a lower price. Purchasing a SIM card typically requires the user's passport to be registered with their name and passport number.

Thailand has three main mobile network service providers: AIS, DTAC, and TrueMove H. Packages that are popular among tourists include daily, weekly, and monthly packages, which are tailored to suit different schedules. Different for each tourist

Top-up your Thai SIM card is convenient and easy. Can be done at 7 Eleven and service provider stores. Including "Boonterm" top-up machines nationwide.

How the SIM card is used depends on the user's device type and network. For prepaid SIM cards After top-up, it can be used for 30 days and users can check the balance and remaining period by dialing the code of each network and making a call.