In Milford Sound, connectivity with Truly Roaming – and any provider – is extremely limited to non-existent due to the steep fjord walls creating a notorious "dead zone." It is crucial to complete any urgent work tasks, download your cruise tickets, and save offline maps before departing from Te Anau. Plan for a complete digital detox in this stunning, remote location.
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How does the Truly Roaming eSIM perform in Milford Sound, and what should I plan?
Updated July 22, 2026
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