My SoloCamS40 records but I can’t play back on both my wife’s and my iPhones and iPads. Firmware is up to date. current version: 1.0.9.4?

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My SoloCamS40 records but I can’t play back on both my wife’s and my iPhones and iPads.
Firmware is up to date. current version: 1.0.9.4 ???