Flashing third-party may void your warranty, violate Bluetooth SIG certifications, or cause RF emission non-compliance. Only flash firmware from the original device manufacturer. The author is not responsible for bricked devices, hearing damage from unexpected volume spikes, or data loss.
Image stamp: /sw/code/build/rel_date (build_id) Boot Image: Primary Version: KB.16.11.0010 jl381a firmware
The current active firmware branch for the JL381A is , which replaced the older PD.01 branch. Recent versions include PD.02.22 (released around October 2022) and PD.02.19 . Core Firmware Features Flashing third-party may void your warranty
As of late 2024, the latest recommended firmware branch for the is . violate Bluetooth SIG certifications