During the Tsiribihina River descent, DataESIM's connectivity will be highly intermittent. You can expect a signal at the expedition's starting point in Miandrivazo and upon arrival in Belo sur Tsiribihina. However, for the majority of the multi-day river journey and during overnight camping, anticipate little to no cellular service. This segment is best approached as a planned 'digital detox,' requiring pre-downloaded maps and content.
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Will DataESIM function during the Tsiribihina River descent?
Updated April 22, 2026
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