manually turn the speaker off until the "Upgrade Successful" screen appears. How to Check Your Current Firmware Version
This is the tricky part.
If no button appears, your speaker is already running the latest firmware version. Step 5: Run the Firmware Installation Tap the button. jbl xtreme update firmware
If a firmware update is available, a or an "Update" button will appear next to or directly below the picture of your speaker. Tap the Update button.
If your speaker suffers from frequent audio dropouts, stutters when your phone moves a few feet away, or fails to auto-connect to paired devices, a firmware update is usually the definitive fix. It updates the internal Bluetooth handshake protocols to work better with newer smartphones and operating systems. Prerequisites Before Updating manually turn the speaker off until the "Upgrade
Launch the JBL Portable app on your phone. The app will automatically scan for active, compatible JBL devices in your vicinity. Once it detects your Xtreme speaker, it will display a graphic of the device on your screen. Step 4: Check for Updates
Sometimes the firmware update process gets stuck, fails halfway through, or causes the speaker to stop responding. Here is how to fix the most frequent issues. The Update is Stuck at 0% or Fails Mid-Way Step 5: Run the Firmware Installation Tap the button
: Power management algorithms are regularly adjusted to maximize playback time and lifespan.