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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 Hong Kong travel eSIMs · 关于香港上网卡

8 Hong Kong eSIM plans, $10.00 to $80.00 USD · 香港上网卡 8 款,$10.00 起

A Hong Kong travel eSIM connects you from Hong Kong International the moment you touch down — Octopus top-ups, MTR navigation, dining apps and data across Kowloon and the island.

Scan the QR before you fly for instant activation on arrival. Fixed prepaid pricing, no roaming surprises, and tethering for a second device.

香港旅行上网卡让你一抵达香港国际机场就联网——八达通充值、港铁导航、餐饮应用，九龙和港岛全程有数据。