Let’s be realistic: The JBL Xtreme 1 was discontinued several years ago. The last official was released around 2018. If your speaker is on version 1.5.0 and the app says "up to date," you are likely stuck.
Warning: Do not close the app or turn off the speaker during this process. : Once complete, the speaker will automatically to finalize the installation. Important Notes for Xtreme 1 Users iOS Compatibility : The JBL Xtreme 1 is not supported by the app on Apple devices running iOS 14 or later . If you have a newer iPhone, you must use an Android device jbl xtreme 1 firmware update
Elimination of crackling or distortion at higher volumes. Let’s be realistic: The JBL Xtreme 1 was