Despite its advanced age, the Fritzbox 7490 still has a new firmware version with new functions, FritzOS 7.51. At the end of last week, AVM released the beta firmware 7.51-102849 for the still widespread DSL router. A first laboratory firmware appeared shortly before Christmas last year and raised the version to 7.51-102214.
FritzOS update: VPN afterburner
The new router operating system brings numerous innovations and improvements, but the most noticeable is the support of WireGuard VPN. In mid-January, c’t was able to measure an acceleration of IPSec VPN with the current 7.29 firmware from 15 Mbit downstream and 5 Mbit upstream to 20 and 13 Mbit/s respectively with firmware 7.51-102214. However, it ignites the right turbo to 50 MBit/s downstream and 42 MBit/s upstream with VPN with WireGuard.
Now, a short time later, the next beta firmware version is ready, which indicates that the release of a final version can’t be far off. The changes are only minor.
The changelog remains correspondingly clear. AVM mentions as bug fixes for FritzOS 7.51-102849 from 01/27/2023:
Fixed On the “WLAN / radio channel” page, a “Please wait” was displayed in the “Radio channel” graphic for radar detection (ZeroWait DFS), although the 5 GHz channel was already available again. Fixed “Error code 1” message when creating WiFi network keys that start with $$$$
Fixed Functional diagnostics rated the connection quality of WLAN repeaters as poor in some cases, despite a good connection Fixed Events from repeaters were sometimes recorded twice in the event log
Interested parties can download the laboratory firmware from the AVM development website after selecting the Fritzbox 7490 and ticking the confirmation that the information has been read.
As a rule, the beta firmwares from AVM are quite stable. However, if you want to be on the safe side and are not dependent on accelerated Fritzbox VPN with WireGuard, you can wait until the final version of FritzOS 7.51 for the Fritzbox 7490. That shouldn’t take too long.
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