Not every JBL Xtreme needs an update. JBL releases firmware sporadically—sometimes once every 1–2 years. If you run the updater (Gen 1) or check the app (Xtreme 2) and see no new version, your firmware is already current. Do not attempt to force-install an older or mismatched version; that’s the quickest way to render your speaker unusable.
Download and open the JBL Portable App (formerly JBL Connect) on your smartphone and pair your speaker via Bluetooth. jbl xtreme update firmware
The JBL Xtreme 2 is far easier to update because it uses the app (formerly called JBL Connect). Not every JBL Xtreme needs an update
| Feature | JBL Xtreme (Gen 1) | JBL Xtreme 2 | | :--- | :--- | :--- | | | 2015 | 2018 | | Model Number | JBL Xtreme (no suffix) | JBL Xtreme 2 | | App Support | JBL Connect (discontinued) | JBL Portable | | Firmware Update Method | Manual via USB cable & PC | Manual via USB or OTA (rare) | | Common Firmware Version | v2.0.0, v2.2.0 | v3.1.0, v4.0.0 | Do not attempt to force-install an older or