Monday, July 22, 2024

Update for Fritzbox and Co.: All functions and new features


Berlin router manufacturer AVM regularly releases updates for its Fritz boxes and other Fritz devices. These include, for example, repeaters, powerline adapters, but also Fritz phones. TECHBOOK has the information about the latest updates.

AVM regularly distributes updates for its devices. The updates bring numerous innovations to Fritz boxes, repeaters and powerline adapters. In advance, the company usually prepares so-called release candidates in a lab for the current major Fritzbox update. New features will also continue to be tested via minor updates from the Fritz lab. Here you can find out for which devices AVM is currently offering an update.

Keep in mind:

In the list we include updates to the official Fritz!OS as well as the latest lab builds. Since AVM first tests new features in the Fritz lab, the software may cause minor problems during operation. Therefore, please note our comments we give about setting up a Fritz lab.

Get the best tech stories on your smartphone with the free BUZZ app! Here you can download it for yourself iPhone either Android-Mobile.

Current Fritzbox updates at a glance

Fritz!OS 7.31 for Fritzbox 7583 VDSL, 7583 and 7530AX

A good month later the Fritzbox 7590 AX also has it Fritz box 7530AX the update to Fritz!OS 7.31. Shortly after, AVM also provides the update for the Fritzbox 7583 with and without VDSL. The jump to the new version number is mainly a maintenance update that doesn’t bring much news. With the update, AVM primarily offers adjustments to support vendor-specific services and improves overall system stability. However, the router manufacturer does not reveal exactly what settings are involved.

Fritzbox 7590 AX gets Fritz!OS 7.31

AVM has provided an update for Wifi version 6 of the Fritzbox 7590. Fritz!OS 7.31 is primarily intended to ensure smoother Internet connections. In return, stability has been increased for super vectoring (35b) and vectoring (17a), as well as for ADSL2+. Additionally, AVM has improved data rates to certain remote ADSL2+ sites and interoperability.

Also read: The best routers with Wi-Fi 6

Upgrade for Cellular Fritz Boxes

An update for the Fritzbox 6840 LTE is also available. The LTE router receives Fritz!OS 6.87, in which the trusted root certificate authorities have been updated and the security of WLAN communication has been increased. AVM has also made the following adjustments:

  • repaired Fixed vulnerabilities in handling incoming fragmented packets and aggregated MPDUs (A-MPDUs) (“fragment attack”)


  • upgrade Updated certificates and increased stability
  • upgrade Automatic software update for Fritz-Fon M2

The manufacturer, in turn, updates the software of the Fritzbox 6850 5G to Fritz!OS 7.30. No extensive new features here. Instead, it fixes a bug with some SIM card compatibility. It may happen that Sunrise/Swiss provider cards are not recognized.

What’s new in the current FritzOS

With the current Fritz!OS, AVM offers numerous new features and optimizations for your Fritz devices. These should not only increase the performance of the Fritz boxes, but also improve WLAN connections from mobile devices, allow faster and more stable connections via VPN networks, and ensure more security in the home network. In general, AVM is introducing innovations in all the main areas, such as Internet, telephony, smart home and home network.

Read the linked message about the settings and features that Update to Fritz!OS 7.25 and above included.

Fritz-Labor: That has to be considered

If an update comes from the Fritz lab, other conditions apply compared to official updates. Because with lab firmware, AVM is testing new features that will then become part of the main official firmware update in late August or early September. It therefore has a beta character. The manufacturer also notes that problems may arise when operating the software.

Users can try out a Fritz lab if the current FritzOS is installed on their Fritzbox. However, before installing the software, the router’s data and settings should be backed up to be safe. Once this is done, users can install the lab firmware in the Fritz lab on the avm website Download and save to your computer as a ZIP file. After unzipping the file, the following steps are required for installation:

  1. Open the Fritzbox interface in the browser with and, if necessary, enter the password for your Fritzbox
  2. At the bottom of the menu, you will find the “View: Advanced” footer that you need to enable
  3. You will now find the “FritzOS File” tab under “System / Update”
  4. In the input field, select the path to the previously downloaded and uncompressed ZIP file and click “Start update”

Also read: The Best Fritzbox Alternatives for Every Budget

If the lab firmware is already installed on the Fritzbox, a new update will be offered automatically. Please note that the update process may take a few minutes. Meanwhile, the information lamp of the router flashes. When the update is complete, the Fritzbox automatically restarts. Data and settings are not lost, so the router is ready to use again as usual.

Ebenezer Robbins
Ebenezer Robbins
Introvert. Beer guru. Communicator. Travel fanatic. Web advocate. Certified alcohol geek. Tv buff. Subtly charming internet aficionado.

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