Update your JBL XTREME 2 firmware! How to... - YouTube
JBL Xtreme 2 Review - RTINGS.com
What's with the JBL apps? Just brought home a new Extreme 2 and apps either can't find speaker and/or have no functionality. Yes, I did the update : r/ JBL
Update: JBL Xtreme 3 gets its own equalizer - Soundcheck! - YouTube
JBL Xtreme Firmware Update Instructions - Tom's Tek Stop
JBL Xtreme Firmware Update Instructions - Tom's Tek Stop
JBL App Update - My EQ Settings For My Xtreme 3, Charge 5, & Flip 6 - YouTube
JBL Xtreme 2 Firmware Update Instructions - Tom's Tek Stop
JBL Portable - Apps on Google Play
Updating Firmware on JBL Xtreme Speaker - Tom's Tek Stop
NO MORE DISTORTION! JBL XTREME FIRMWARE UPDATE!!! - YouTube
JBL Xtreme 2 Firmware Update - YouTube
JBL Xtreme 3 EQ-Update/Firmware-Update
They seem to have fixed the app for iOS 16. : r/JBL