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JieLi (JL) Bluetooth Test Box: Firmware Upgrade Instructions

Sep 1, 2025 · 2 min read · Method 1: Firmware Upgrade for One - to - Two Test Box Using a Small Tool The test box contains three chips: two slave chips (running the same program) and one master chip. Firmware upgrades require updating all three chips. Slave Firmware Upgrade P...

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JL (JieLi) Bluetooth TEST Box Button Function Description

Jul 23, 2025 · 1 min read · Button Function Description 1.Reset Button: Initiates a reset of the module, restoring it to its initial state. 2.Button B (Prototype Testing): Triggers the next test item for the B prototype. The tests cycle in sequence as follows: Play Song T...

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JieLi (JL) Bluetooth Test Box: Firmware Upgrade Instructions

JL (JieLi) Bluetooth TEST Box Button Function Description