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Published Date: 2022 May 13

To install a new firmware version on a base station and/or handset, please follow the instructions provided in the firmware update guide.


  • After upgrading to version 450BXX or higher the rollback to 410BXX or previous versions is not possible.
  • After uprading to version 530B7  you need to update all M5 Repeaters to use V530B2 . V610 firmwares do not support M5.
  • Please read the release notes carefully before upgrading.
  • Please reboot the base station(s) (chain reboot in multi cells) before triggering the upgrade, to free up some memory and avoid any issues.

How to Update a DECT Device

  • Firmware update server address:
  • Required version: 530 (for the base M900)
  • Required version: 530 (for the handsets M65, M70, M80, M85, M90)
  • Required version: 530 (for the headset A190)
  • Required branch: 07 (for the base M900)
  • Required branch: 07 (for the handsets M65, M70, M80, M85, M90)
  • Required branch: 02  (for the headset A190)

Binaries download

  • M900  SHA-256: 995e8f2e489f36e86432adb05d23508b2d32fcc30c38e3be8edf8ac5f8ccd955
  • M90    SHA-256: 20fcafef53c5147465de7665e64744527fdfbe098085de0f8c45adedcb0d92e2
  • M85    SHA-256: ab77580e7b51c94cbb1ba948ad2366d1d87a6c80a38a2c3abf3a20a9b840b9c6
  • M80    SHA-256: c2f2d5e40ce1539b3b16be0a1c017888d48544ecc22a0d80cba6f48f3d720dd5
  • M70    SHA-256: d974b6ca984dd3416479f40f7dfcc6e11950ec18c923169f142a0ad5d7be2dc5
  • M65    SHA-256: 4283821fdbeb06aaa4fa3f9e7b7e2409970dc67c5887db7acdbcb3b154a3985b
  • M25    SHA-256: 5f0731918eec2e1a3d31241d9aef49f7a6311e55f02d71255e5a3d9d1ca676fc
  • A190   SHA-256: 6f8b88a8d936f1c031ca9e9500723ee05b6aee52164b3af79a77459980effa81