FritzOS 8.50 and 8.51 roll out to more Fritzbox routers
Fritz is releasing FritzOS 8.50 and 8.51 to more routers, repeaters and mesh sets. The headline feature is a DNS filter that blocks ads across devices on the home network.

Fritz has started rolling out the final version of FritzOS 8.50 to a growing list of devices. The beta phase for the first routers is over, and the update is now being released model by model. Some products receive FritzOS 8.51 directly, which according to the manufacturer does not change the feature set.
Which devices get the update
The following models can already install the final release, all of them straight on FritzOS 8.51: Fritzbox DSL/Fiber 7-90, Fritzbox 6670 Cable, Fritzbox 5690 XGS, Fritz Repeater 3000 AX, Fritz Repeater 6000 and Fritz Mesh Set 4200. More models are expected to follow in the coming weeks and months. Owners of some models who do not want to wait can install the lab update to FritzOS 8.40, which contains early features of 8.50, but it is a test version and may cause problems.
What is new
The biggest addition is a DNS filter that hides ads on many devices in the network, including smartphones, tablets and smart TVs. In combination with FritzOS 8.50, the Myfritz app gains a Smart Check that shows the status of the Fritzbox and the whole network and offers recommendations for improving the home network.
Fritz also adds automatic prioritization that puts real-time connections such as video calls ahead of other traffic, freeing up bandwidth for meetings when other connections load the line. Smart home users get predefined routines, for example for leaving the house. Custom routines can now have several triggers, and geofencing has been improved.
The two repeaters are the first Wi-Fi extenders among the update candidates, but they do not get new features. Reportedly, their update focuses on stability, lower memory usage, better cooperation with Amazon devices and more stable Wi-Fi when connection settings change.
Apps worth a look
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