Child policy: - Children under 3 years are free of charge, but no seats will be reserved on the AREX Incheon Airport Express Train. AREX Incheon Airport Express Train: - Departure times may vary. For detailed information regarding the AREX train schedule, please visit https://www.airportrailroad.com/rt/tktBstk.do. - To find the AREX automatic ticket machines, follow the directions provided at https://www.airportrailroad.com/co/steUsfGud.do. Korea SIM Card: - The SIM card comes in nano, micro, and standard sizes. - Please double-check if your phone has carrier or country lock before purchasing. Phones with carrier or country lock cannot use these SIM cards. - A maximum of three SIM cards can be purchased per passport holder. - The SIM card is valid for your selected duration on a 24-hour basis after activation. If you purchased a 5-day SIM card and activated it on 1 Aug at 3:00 PM, it will be valid until 6 Aug at 3:00 PM. - Under the Fair Usage Policy, data speed and usage may be limited for users who quickly process large amounts of data. This is at the discretion of the subscribed telecommunications company and may occur without prior notice. - Data reset for the 3 GB daily limit happens every midnight. - All plans provide free incoming calls and text messages. - For outgoing voice calls and texts, you can purchase the Data + Voice + Text service option at an additional cost upon SIM card pickup. This is applicable only to iPhone and Samsung users. - After inserting the SIM card into your mobile device, the card can then be used as a T-Money card. It can easily be topped up at any convenience store and is valid for use on buses, subways, and authorised taxis. - For more information on how to use the T-Money card, visit bit.ly/3QFqjfK. Operating hours of LG U+ counters: - Incheon Airport Terminal 1 near Gate A: 6:00 AM to 10:00 PM - Incheon Airport Terminal 1 near Gate F: 24 hours - Incheon Airport Terminal 2, between Gates 4 and 5: 6:00 AM to 10:00 PM - Incheon Airport Terminal 2, Arrival Hall in front of Gate 8: 24 hours - Seoul Gimpo Airport Arrival Hall near Gate 1: 6:30 AM to 11:00 PM - Busan Gimhae Airport Terminal Arrival Hall, near Gates 2 and 3: 6:00 AM to 10:00 PM