Ensure both your smartphone and your JBL Xtreme have at least 50% battery life.
If a firmware update is available, a small or an "Update" button will appear next to the image of your speaker. 4. Start the Download jbl xtreme update firmware
Go to the Apple App Store (iOS) or Google Play Store (Android) and download the app (formerly known as the JBL Connect app). Step 2: Pair Your JBL Xtreme with Your Phone Turn on your JBL Xtreme speaker. Ensure both your smartphone and your JBL Xtreme
: Your speaker may turn off and on automatically during this process. Do jbl xtreme update firmware
Optimization of power consumption during standby and playback.