D200 firmware release notes

Topic

This article contains release notes for D200 router firmware.

Environment

  • Datto D200 Routers

Current release

Version 1.3.6 - June 26, 2025

Improvements

  • Addressed a security vulnerability by upgrading a system component.

Version 1.3.5 - April 10, 2024

Improvements

  • We've improved the LTE recovery mechanisms that the Sierra and Telit modems use after disconnecting from a backup internet service.

Version 1.3.4 - January 31, 2024

Improvements

  • We've improved the LTE recovery mechanisms that the Ublox modem uses after disconnecting from a backup internet service.

Version 1.3.3 - August 14, 2023

Bug Fixes

  • We've resolved an issue that could prevent the D200 from properly failing over to LTE in Australia and Europe due to a route update issue affecting UBlox LTE modems.

Hotfix February 7, 2022

Bug Fixes

  • Fixed an issue in which a new AT&T ICCID prefix caused Modem Manager to error out on D200-US-ATT units

Tasks

  • Updating of SierraWireless/Nimbelink D200-ATT Modem Manager for 3G sunset