Firmware update
Short answer
The latest firmware version of Marshall Emberton II speaker can be confirmed at the 'about' section of the Marshall Bluetooth app.
Ensure the firmware is up to date by connecting the product to the Marshall Bluetooth app. The app confirms if the firmware is up to date in the 'About' section of the app.
Keep your Marshall Emberton II speaker up-to-date with the latest firmware version.
FW v14.0.35. Release Date: 2023-06-01
Notes:
Battery power led sometime showed 9 bars when fully charged.
OTA says it's done before it is complete.
No shutdown sound issue.