Jbl Xtreme 1 Firmware Update 'link' Instant
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.
Consequently, many users search for a firmware update hoping to enable "Connect+" features or to link with newer speakers. You cannot update an Xtreme 1 to work with an Xtreme 2 or Flip 4 via the linking button. jbl xtreme 1 firmware update

