•Universal SIM: 3 sizes in one, compatible with all devices without the need for cutting.
•Real-name registration is only required if you're traveling to Hong Kong, in compliance with the PRC's new policy. Once registered, simply insert the SIM card and start using it.
•A "day" is defined as 00:00 to 23:59 (SG time). Any usage of less than a full day will still count as one day.