Before you start the encryption, make sure that the latest firmware version is installed on your Bluetooth device. To check for updates, go to Device settings > Firmware update. For more information, check our Shelly Knowledge Base.
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Select the Bluetooth device that you want to encrypt.
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Go to Settings > Security.
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Select Encrypt.
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Set a 6-digit pass code to encrypt the Device. Then, select encrypt.
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A prompt pops up to press the Device button.
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Press the Device control button.
The encryption process is now complete.