Yes, we strongly recommend installing and activating your EastESIM before your cruise ship departs or while you still have a stable internet connection, such as at your home airport or before leaving port. Cruise ship internet is often slow and costly, making it difficult to download or set up a new eSIM plan once at sea. Activating beforehand ensures your phone automatically connects to local networks as soon as you reach any port in Asia, like Singapore, Hong Kong, or Busan, allowing you immediate access to data for navigation and communication.
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Should I activate my EastESIM before my cruise to Asia departs?
Updated April 22, 2026
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