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  • SP4000

SP4000 (V1.020)

09.22.2025

[Warning]



Before firmware upgrade:

1. Make sure of the battery level at least over 50%.

2. Make sure of the memory size at least over 500MB.

3. User setting is initialized after upgrade.

4. Before upgrading, please make a backup of important files just in case.



[How to upgrade]

1. Connect to Wi-Fi

2. Find 'new' firmware on Setting - Update - System update



[Improvements]

1. Adjustment to the touch area for the top quick menu

2. Support added for Qobuz Connect

3. Resolved playback issue with Tidal when LCD is off

4. Updated default color scheme for Tidal app icon

5. System Stabilization

- Fixed issue where intermittent noise occurred during playback, followed by a 3–5 second delay

- Improved power on/off delay when internal memory usage exceeds 90%

- Corrected battery full-charge error

- Enhanced stability when connecting to CD-Ripper

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