Here's actual firmware and graph of the xtreme 3, any other old graphic with previous firmware is not anymore (specially when new xtreme 3 comes with 0.2.0.4) : r/Bluetooth_Speakers
Finding JBL Xtreme Firmware Version - Tom's Tek Stop
JBL Xtreme 2 | Portable Bluetooth Speaker
JBL Xtreme 3 review: Extremely loud, not so portable - SoundGuys
JBL Xtreme 2 | Portable Bluetooth Speaker
JBL Xtreme 3 Review - RTINGS.com
JBL Xtreme | Portable Bluetooth speaker
GitHub - Flipper-XFW/Xtreme-Firmware: The Dom amongst the Flipper Zero Firmware. Give your Flipper the power and freedom it is really craving. Let it show you its true form. Dont delay, switch to
New Firmware update on Xtreme 2, thoughts? : r/JBL
Amazon.com: JBL Xtreme Portable Wireless Bluetooth Speaker (Black) : Electronics
Review of multiple BT speakers, as well sound quality JBL Xtreme 3 vs Motion Boom Plus 00.36 Firmware : r/Bluetooth_Speakers