Jabra Logo
Jabra Logo

Support resources

Documents

Loading component...

FAQs

Loading component...

Firmware and software

Loading component...

Latest release notes

Loading component...

Find the serial number

Find your product serial number before checking the warranty.

Contact Jabra Support

Jabra Search
Did you know?

Read more

Jabra ServiceNet

Manage your warranty replacements and returns in our online self-service portal

Warranty terms

Read our warranty and service information for business products

Warranty check

See the warranty coverage for your product

  2. Jabra Link 400

About us

  • Our Story
  • Careers
  • Sustainability
  • News and Press Releases
  • Jabra Blog
  • Case Studies
  • Our Story
  • Careers
  • Sustainability
  • News and Press Releases
  • Jabra Blog
  • Case Studies

Support resources

  • Product Support
  • User manuals
  • Bluetooth pairing guide
  • Compatibility Guide
  • How-to videos
  • Accessories
  • Identify your Product
  • Self Service Repair
  • Product Support
  • User manuals
  • Bluetooth pairing guide
  • Compatibility Guide
  • How-to videos
  • Accessories
  • Identify your Product
  • Self Service Repair

FAQs

  • What is a good headset for Skype?
  • What is a good headset for iPhone?
  • Are Bluetooth headsets safe?
  • What is a good headset for Skype?
  • What is a good headset for iPhone?
  • Are Bluetooth headsets safe?

Get in touch

  • Contact Jabra Sales
  • Online Orders
  • Register your Product
  • Become a Reseller
  • Enterprise End-of-Life Policy
  • Developer Zone
  • Contact Jabra Sales
  • Online Orders
  • Register your Product
  • Become a Reseller
  • Enterprise End-of-Life Policy
  • Developer Zone
GN logo
  • Trademarks
  • Safety and Warning
  • Cookie Policy
  • Change cookie consent
  • Declarations of Conformity
  • Commercial disclaimers
  • Privacy Policy
  • Security Center
  • Open Source Licenses
Document
User manual
Language
  • ArabicArabic
  • BulgarianBulgarian
  • CzechCzech
  • DanishDanish
  • GermanGerman
  • GreekGreek
  • EnglishEnglish
  • SpanishSpanish
  • Latin American SpanishLatin American Spanish
  • EstonianEstonian
  • FarsiFarsi
  • FinnishFinnish
  • FrenchFrench
  • Canadian FrenchCanadian French
  • HindiHindi
  • CroatianCroatian
  • HungarianHungarian
  • IndonesianIndonesian
  • ItalianItalian
  • JapaneseJapanese
  • KoreanKorean
  • LithuanianLithuanian
  • LatvianLatvian
  • MalaysianMalaysian
  • DutchDutch
  • NorwegianNorwegian
  • PolishPolish
  • PortuguesePortuguese
  • Brazilian PortugueseBrazilian Portuguese
  • RomanianRomanian
  • RussianRussian
  • SlovakSlovak
  • SlovenianSlovenian
  • SerbianSerbian
  • SwedishSwedish
  • ThaiThai
  • TurkishTurkish
  • UkrainianUkrainian
  • VietnameseVietnamese
  • Chinese SimplifiedChinese Simplified
  • Chinese TraditionalChinese Traditional
Type
pdf
Size
1.1 MB
Download
Document
Technical specifications
Language
  • DanishDanish
  • GermanGerman
  • Europe, Middle East and Africa (multilingual)Europe, Middle East and Africa (multilingual)
  • English (UK)English (UK)
  • FrenchFrench
  • ItalianItalian
  • EnglishEnglish
  • JapaneseJapanese
  • KoreanKorean
  • DutchDutch
Type
pdf
Size
98.9 KB
Download
  • All categories
How do I manually pair a Jabra Engage headset with the Jabra Link 400?
How do I reset the Jabra Link 400 to the default settings?
Can I use the Jabra Engage 65/75 headset with the Jabra Link 400 DECT adapter?
How do automatic firmware updates work in Jabra Direct?
How do I connect my Jabra headset to a computer using the Jabra Link 400?
Showing 5 of 17
File
Firmware for dongle
Platform
Windows
Language
GeneralGeneral
Release date
2025/07/29
Version
1.16.1
Download
Release note
File
Jabra Direct
Platform
macOS
Language
EnglishEnglish
Release date
2026/02/12
Version
6.27.03702
Download
Release note

  • Release date:

    July 29, 2025
    Release version:1.16.1

    Security Updates:

    • Firmware security enhancement.

  • Release date:

    February 17, 2025
    Release version:1.15.1

    Fixed:

    • If attempting to update the Jabra Engage 55 headset, and it was not connected at that time to the Jabra Link 400, the Jabra Link 400 could become unstable when receiving the OTA update request.

  • Release date:

    July 03, 2024
    Release version:1.15.0

    Fixed:

    • Loss of pairing with the connected headset if the Link 400 was removed while in pairing mode
    • Loss of pairing with the connected headset if the Link 400 was put in pairing mode, and timed out
    • Loss of pairing with the connected headset if the Link 400 was put in pairing mode and an attempt to cancel pairing mode was made

    Minor performance and stability improvements

  • Release date:

    January 17, 2023
    Release version:1.13.0

    Details

    • Updated: LED behavior and performance 
    • Updated: pairing and connection performance with supported headsets
    • Updated: volume synchronization performance on Mac with Zoom  
    • Updated: voice prompts and tone behaviors with connected headset 
    • Updated: general audio level improvements
    • Fixed: preservation of the pairing list if the headset is put to pairing mode, but not paired
    • Fixed: rare scenario of audio noise 
    • Fixed: microphone not working in Microsoft Teams in unique scenarios 
    • Fixed: volume issue if disconnected and re-connected during a call 
    • Fixed: rare scenario where the headset would not reboot after a firmware update 
    • Fixed: secondary headset may disconnect in conference mode 
    • Fixed: no audio in secondary connected headset 
    • Fixed: enumeration failed if connected to long to a PC 
    • Fixed: no audio in incoming call if in power nap mode 
    • Performance and stability improvements

  • Release date:

    June 01, 2022
    Release version:1.9.0

    Details

    • First public release
Complete release history