With any Android smartphone that uses Android OS 6.0 or higher, access to location and contacts is required to connect to any low energy Bluetooth device. Since the VisionCheck uses low energy Bluetooth, you will not be able to connect to the VisionCheck if access to these services must be enabled. If it is blocked, the VisionCheck will not connect properly to your Android smartphone. You can read more about this requirement by clicking or tapping this link.
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