Datasheet
Why can't I see my Bluefruit LE device after upgrading to Android 6.0?
In Android 6.0 there were some important security changes that affect Bluetooth Low Energy devices. If location
services are unavailable (meaning the GPS is turned off) you won't be able to see Bluetooth Low Energy devices
advertising either. See this issue for details.
Be sure to enable location services on your Android 6.0 device when using Bluefruit LE Connect or other Bluetooth
Low Energy applications with your Bluefruit LE modules.
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