Install the JBL Portable App (formerly JBL Connect) from the Apple App Store or Google Play Store.
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Manufacturers often release "silent" improvements that you won't notice until they are installed. Updating your firmware provides several key benefits: jbl xtreme update firmware
Power on your speaker and pair it with your phone via Bluetooth. JBL Portable app (available on the Apple App Store Google Play Store Check for Updates Install the JBL Portable App (formerly JBL Connect)