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Software Upgrade Instruction - JBL QUANTUM DUO Service Manual

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3.Software upgrade Instruction

3.1 Open the speaker and connect the
3.2 Double-click to upgrade software.
3.2 Pop up the window and click "Yes".
computer to the host with a USB cable.
3.3 Pop up the window and click "Start", Start To upgrade.
3.4 Upgrade is completed, computer pops up the window.

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