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Can I rely on a travel eSIM hotspot for my laptop in China?

I am considering a travel eSIM and may need to tether my laptop for work. Is hotspot use generally reliable, can I install the eSIM before departure and activate it on arrival, and what backup would experienced travellers bring?

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You
M

Install the eSIM profile before you leave while you still have reliable internet. Activation rules vary, so confirm whether the plan starts on installation or on first connection.

M

Test hotspot sharing before you travel, but do not assume every eSIM plan treats tethering the same. Read the plan terms and keep hotel Wi-Fi or a second data option in mind for important calls.