While your EastESIM will provide strong signal at the ports like Rassada Pier in Phuket and Tonsai Pier on Phi Phi Don, expect some fluctuations during the open ocean journey. As the ferry travels between the islands, the connection may become intermittent or drop to 3G speeds. However, as you approach either destination, your EastESIM will quickly reconnect to the robust 4G networks of local carriers like AIS or TrueMove H, ensuring you're back online as you disembark.
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Will I have signal on the ferry between Phuket and Phi Phi?
Updated April 22, 2026
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