關於「3 UK SIM」標籤，搜尋引擎有相關的訊息討論：

Mobile roaming in Singapore - Support - Threewww.three.co.uk › support › roaming › singaporeUnited Kingdom Prepaid SIM Cards - SIMCard.SGwww.simcard.sg › shop › united-kingdom-ukAnyone used Three sim from UK for UK & Europe? - Tripadvisorwww.tripadvisor.com.sg › ShowTopic-g