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Published Date: 13 Juli 2020

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 version 410BXX or previous is not possible.
  • After uprading to version 500BXX or higher you need to update also any M5 Repeater you would like to use at least to 480B5.
  • please read the release notes carefully before upgrading

How to Update a DECT Device

  • Firmware update server address:
  • Required version: 500
  • Required branch: 01 (for the bases M900, M700 and M300)
  • Required branch: 01 (for the handsets M25, M65, M70, M80, M85, M90)

Binaries download

  • M900  SHA-256: 5092c662e6ae2f4387ed8440a6267d1f3feedd20899d5e2502c65849b670ee70
  • M700  SHA-256: 3f5b7372f056d7898f3ab0ba0acd23c7382a4e1d056f13074e44d169a7af0090
  • M300  SHA-256: 125af2a0077125921e34d6a53acf5687002c74fee44d726c355d1d32de957669
  • M90    SHA-256: 193fc1ec0d6d8254b56493b4aef316ad8cfc65c4774420f9c9c2353a4543754f
  • M85    SHA-256: 47c7035d92d463e6a3c06dc9f9e803c9c80b61fe723cbcf3ba9e2544ccb24f6f
  • M80    SHA-256: 4e5f53b74b0109249ba77371dada596f48c64abdd04f83ec978410cdd2ebfdac
  • M70    SHA-256: 391b707e53f020389d77e5d74663133c30efdb79a3bbd5a27d8107443e2d219e
  • M65    SHA-256: fce79dcad03d5d13c4d370906afeedce7e371d6cbb11bd51b715ee9390083505
  • M25    SHA-256: 33f7a780a2864e09ff6e107e76279b87e2fa6929185a07c4bdc400fc14e2d644