Release notes for Link 390

Updated:

• Improved the reconnect experience when returning in range or when the PC has been in idle mode for between 1 and 180 minutes.

Fixed:

• Resolved an issue that could cause random mute/unmute of the microphone on the connected headset.
• Resolved an issue that could cause random static, speaker audio noise, or audio dropouts.
• Resolved an issue where, when used with multiple softphones, the Link 390 could remain in a call state with red LED, and causing supported headsets to keep the busy light turned on (if supported). 
• Resolved an issue where the outgoing call tone in Microsoft Teams could be missing when used on Mac.
• Resolved an issue where enabling automatic search for a new device could fail for Evolve3 75 and Evolve3 85. 
• Resolved an issue where, if the Link 390 was disconnected from the PC and reconnected, it would not always reconnect to the supported headset.

New Features:

• Added support for Jabra Evolve3 75
• Added support for Jabra Evolve3 85

Fixed:

• Specific scenario with no call control when used with Cisco Jabber
• In rare cases there were no call control if used with RingCentral
• A rare case with no audio when switching between desk phone and softphone on the Jabra Link 950

Security Updates:

• Addressed the vulnerability related to CVE-2025-20700
• Addressed the vulnerability related to CVE-2025-20701
• Addressed the vulnerability related to CVE-2025-20702
• Rollback prevention has been added to the Jabra Link 390, it will no longer be possible to downgrade firmware past version 2.5.0

Security Updates:

• Upgraded Bluetooth encryption to 128-bit key length.

Note: A security mandate requires that Bluetooth encryption is not permitted to be negotiated below a 128-bit key length.

Fixed
 
• An issue where play and pause functionality may not have worked on the Jabra Evolve2 85
• Mute light could disappear when the Jabra Evolve2 65 boom-arm is up in an outgoing call, in certain scenarios
• When connected to a Jabra Evolve2 85 on ChromeOS the volume adjustment would not be linear
• Unmute prompt could be missing with Jabra Evolve2 85 in outgoing calls
• If the dongle was reset, it would lose connection to the headset if playing media
• If ending a call in mute state on a softphone, the next incoming call could start as muted

Details

• Fixed: Answering a call with boom arm in mute position on Jabra Evolve2 65 Flex would end the call when used with Alcatel 300/500 desk phone models
• Fixed: Stuttering music with Jabra Evolve2 Buds if dongle was in idle mode
• Fixed: Intermittent audio streaming in some scenarios when connected to two devices
• Fixed: In rare scenarios the mute LED would stay on after ending a call
• Fixed: Media audio could stop after being out-of-range
• Fixed: LED on the Microsoft version could show the Teams LED despite Teams not running on the host
• Fixed: No audio in the headset in certain multiuse scenarios
• Fixed: No LED mute indicator in some scenarios when muted from the OS
• Fixed: Inability to answer a call when connected to HP Unify CP210/CP710
• Fixed: Bring Teams to foreground function on Microsoft version would not work
• Fixed: The dongle would not reconnect when exiting hibernate state
• Performance and stability improvements

Details

• First public release
• Supported products:
  • Jabra Evolve 65 SE
  • Jabra Evolve2 Buds
  • Jabra Evolve2 55
  • Jabra Evolve2 65
  • Jabra Evolve2 65 Flex
  • Jabra Evolve2 75
  • Jabra Evolve2 85
  • Jabra Speak2 75