A new firmware version has been released for the Pulse 4 (Version 0.5.1.0), below is a list of the improvements:

1. Supports Bluetooth 5.1 profile.
2. Improves the stability of stereo setup using the JBL Portable* app.
3. Improves compatibility with Mac computers.
4. Enhances light show synchronization with music.

The firmware update is installed as an OTA update:

1. Download and install the JBL Portable* app from the Google Play/App Store.
2. Connect your Pulse 4 to your phone/tablet through Bluetooth.
3. Open the JBL Portable app and wait for the Pulse 4 to appear.
4. On the Pulse 4 screen, select settings (gear cog symbol).
5. Proceed with installing the firmware update.

*JBL Portable is the new name for the JBL Connect app, the name will change in January 2021.