For those who will face similar very weird issues and drown in despair as we did. (ó﹏ò。)

What helps at the end? We didn't find the exact issue, we couldn't simulate it on any device, but what we did was complete update of React Native, React, Xcode and all libraries and tools related to app. That was ultimate solution, but was necessary. (~_^)

Credit Goes to: stackoverflow.com

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