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Can more than one NIU App account be connected to a NIU Kick Scooter?
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Do I need to install and use the NIU App to ride my NIU Kick Scooter?
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How do I install the NIU App on my mobile device?
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How do I pair my NIU Kick Scooter in the NIU App?
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I received an error message "Scooter firmware upgrade on the mobile app was unsuccessful". What should I do?