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Raspberry Pi: Bluetooth connection attempt gives "Failed to connect: org. bluez.Error.Failed" - YouTube
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raspbian - BlueZ Profile RequireAuthentication=False not working when trying to initiate connection without pairing - Raspberry Pi Stack Exchange
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raspbian - BlueZ Profile RequireAuthentication=False not working when trying to initiate connection without pairing - Raspberry Pi Stack Exchange
persistent org.bluez.Error.AuthenticationFailed on Debian Sid · Issue #677 · blueman-project/blueman · GitHub
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Pairing Bluetooth Keyboard That Needs code "Failed to pair: org.bluez.Error. AuthenticationFailed" - YouTube
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