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Frequently asked questions

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When should I install my eSIM?

Install before you fly — the eSIM stays dormant until you arrive. Most plans give you a 365-day window to install.

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How do I use my eSIM?

At your destination, enable the eSIM line in Settings and set it as Cellular Data. Your home SIM keeps calls and texts.

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Can I reuse my eSIM?

Most eSIMs can be topped up so you don't need to buy a new one. Available top-ups show on the My eSIMs page after purchase.

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How do I top up my eSIM?

Open My eSIMs in your dashboard, find the eSIM, tap Top up. New data is added to the existing eSIM — no reinstall.

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SinoConnection.com handles all customer support, refunds, and replacements. eSIM service provided through our partner Airalo (AirGSM Pte Ltd).

About Singapore travel eSIMs · 关于新加坡上网卡

8 Singapore eSIM plans, $9.00 to $83.00 USD · 新加坡上网卡 8 款,$9.00 起

A Singapore travel eSIM connects you the instant you clear Changi — MRT routing, hawker-centre hunting and data across the city-state without a physical SIM.

Install before you fly and scan the QR on arrival. Prepaid at a fixed price with hotspot and tethering supported.

新加坡旅行上网卡让你一出樟宜机场就联网——地铁导航、寻觅熟食中心，全岛有数据，无需实体卡。

出发前安装、落地扫码。固定价格预付，支持热点共享。