The attachment software is for LP42X Volume Memory Function

LP_42X_E08_20240412_0x5900_V1.rar

please download the software and follow the the upgrade steps:
1. Put 1-2 songs and the upgrade software into the USB disk (USB system: FAT)
2. turning on the speaker, insert the USB flash drive and it will be read automatically
3. Let it work and the indicator light turns red
4. Turn off the power on the back of the speaker (very important)
5. Pull out the USB flash drive.
6. Turn on the speaker again to upgrade successfully