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Published Date: 24. October 2025
As this firmware includes new features, upgrade to the listed handset version is mandatory to ensure normal operation for soft- and hardware.
To install a new firmware version on a base station and/or handset, please follow the instructions provided in the firmware update guide.
Known limitation: M85, M65 utf-8 text does not show correctly. Hardware is not supporting utf-8, please downgrade to pre 7xx base versions. The handsets limitation cannot be changed. Only Windows-1252 (CP1252) characters can be shown.
Please read the release notes carefully before upgrading.
WARNING - Please be sure to read this Information!
| Downgrade to 530B10 is possible on M900, but will reset all "User" and "Engineer" profiles and passwords. (<530B10 leads to loss of password) |
| After upgrading from <=530B10, the base asks to set new passwords for "Engineer" and "User". Make sure you either provision the passwords or you change them immediately !!! A strict password policy will be applied. |
| 802.1x is enabled by default and cannot be disabled. The Base device will perform network authentication using its client certificate. Network-side validation of the Snom SHA2 Snom Certificate Authority certificates is mandatory. |
| 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: https://dect.snom.com
- Required version: 760 (for the bases M400, M900)
- Required branch: 401 (for the bases M400, M900)
- Required version: 760 (for the handsets M30, M70, M80, M90)
- Required branch: 401 (for the handsets M30, M65, M70, M80, M90)
- Required version: 760 (for the headset A190 and voice prompts VP_A190_v0760_b0200.fwu)
- Required branch: 200 (for the headset A190)
Base Binaries download
Handset Binaries download
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