Fritz!Box 7490 / 7590 – New beta firmware available.

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    UK Sentinel
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    Fritz!Box 7490 /7590  – New beta firmware available.

    Language: Multi-language
    Version: 07.19-75207 / 8
    Date: 22 January 2020


    The latest lab file on our download server, “”, contains
    – the lab version for FRITZ!Box
    – this “infolab.txt” file with important information on this lab version
    – Information, feedback options and the file at

    New features:
    – Wireless: Support for WPA3 [1]
    – Mesh: Extended Mesh steering improves WiFi performance of mobile devices [2]
    – USB / Storage: Supports current SMB versions (SMBv2/v3) [3]
    – Telephony: Support for encrypted telephony
    – Telephony: Supports online contacts from Apple (iCloud), Telekom (MagentaCLOUD), and CardDAV
    – FRITZ!Fon: Smart telephone book displays matching suggestions even during number entry
    – Internet: DNS over TLS for encrypted resolution of domain names
    – System: Language selection in the user interface


    I. New Features, Improvements and Updates in this Lab

    • Improved – Better interoperability for VDSL supervectoring 35b with Broadcom 192.85 and 192.218 (7590)

    • NEW Support for encrypted resolution from domain names to IP addresses (DNS over TLS)
    • NEW – Display of devices blocked by parental controls
    • Change IP compression (data compression) is no longer supported in VPN connections
    • Change “Emule” protocol removed from port sharing
    • Improved System event log entry for failed ticket entry (parental controls)
    • Improved Display and modification of the IPv6 interface ID under “Home Network / Network / Network Connections”
    • Improved Any domain name can be used to address a VPN remote peer, not just MyFRITZ! domain names
    • Improved Incorrect configuration by using the same network address on both sides of a VPN connection with LAN-LAN linkup prevented
    • Improved IP address range for the guest network increased to up to 253 devices
    • Improved Access to the domain for a downstream FRITZ!Box registered with MyFRITZ! allowed from the local network; exception added automatically for the DNS rebind protection of the Master box

    • NEW Support for WPA3 (SAE) added
    • NEW OWE/Enhanced Open (Opportunistic Wireless Encryption) makes wireless LAN connections with the guest access (public WiFi hotspot) possible [4]
    • NEW WPA3 (transition mode) also for connections to repeaters
    • Change Support for WPS PIN has been removed
    • Change Revision of messages on wireless LAN under “System / Events”
    • Fixed – Incorrect entry no longer appears in the “Event Log” when individual wireless bands were enabled or disabled manually on a FRITZ!Repeater 3000

    • NEW The “Calls” push mail message is extended by calls from door intercoms (including images)
    • NEW Support for encrypted telephony (TLS and SRTP) for Deutsche Telekom, Easybell and
    • NEW More online contacts (CardDAV) available
    • Improved Telephone numbers can be assigned to more than one answering machine and thus up to five different recording and announcement modes can be used for these numbers via switching schedules (the first answering machine currently active for a number receives the call)
    • Improved Maximum length for hold announcement increased from 8 to 30 seconds
    • Improved Additional configuration options for the internal S0 bus
    • Improved Separate tab for rejected calls in the call list
    • Improved New VoIP provider profiles added
    • Improved Option “Always register via an internet connection” added to predefined SIP trunk profiles
    • Improved More detailed system events for security-relevant setting changes

    Smart Home:
    • NEW Group with FRITZ!DECT 301 act as unified heating group *)

    DECT/FRITZ!Fon: **)
    • NEW When you enter a telephone number, the system suggests the appropriate telephone book entries
    • NEW Start screen for temperature display of a selected sensor
    • NEW Display of FRITZ!Box system events with “OK” button in the FRITZ!Box start screen
    • Improved Setting up call blocking in the handset is now easier
    • Improved Telephone book display for FRITZ!Fon C4, C5 and C6 now faster

    Home Network:
    • NEW – Network passwords for the powerline network can now be changed on FRITZ!Powerline devices connected directly (via LAN)
    • NEW – Identification of blocked devices in the home network overviews for Mesh and network connections
    • Improved “Mesh” added to properties in the network connection overview
    • Improved Reliable display of new AVM Powerline products in the FRITZ!Box home network
    • Improved More reliable indication of low powerline data rates in the FRITZ!Box home network
    • Improved – Mesh icon shifted in the Mesh table from the “Connections” column to the “Properties” column
    • Change “Smart Home” menu entry moved to top level and “DECT” menu moved to the “Telephony” area

    • NEW Extended Mesh steering improves WiFi performance of mobile devices
    • NEW Event messages report when there is a network loop
    • NEW FRITZ!Box’s improved auto channel takes into account those sources of wireless interference (for example radar, baby monitor) that are detected by other products in the Mesh
    • NEW – Mesh steering evaluates and accounts for connection type and the speed of different connection paths in steering decision
    • NEW – Notification in FRITZ!Box “Event Log” when a network loop is created (for instance, simultaneous LAN and wireless connection to the same device)
    • Fixed – In certain cases a FRITZ!Repeater was displayed twice in the “Mesh Overview” of the FRITZ!Box

    • NEW Time period for automatic updates can be defined
    • NEW Lab welcome page now with news and information about new products
    • NEW Language and country selection added
    • Improved Now possible to set the time zone
    • Improved The assigned device name is uniformly displayed at different points in the Mesh
    • Improved “FRITZ!Box Info” push service now includes “Home network” option
    • Improved New menu symbols for “Overview” and “Smart Home”
    • Improved Reset function in details of network devices for deleting all settings for this device
    • Improved Function diagnostics extended in “Internet”, “Mesh”, “DECT” and “Wireless”
    • Improved “FRITZ!Box Info” push service now includes maximum number of events
    • Improved Event log is extended with update information (visible only with the next update)
    • Improved Update process optimized for automatic updates
    • Change Menu sequence below “System” changed
    • Change Default WAN port changed to WAN port (update leaves the setting as 5th LAN port unchanged)
    • Change Waiting for the additional confirmation of a change is indicated by the flashing of all LEDs

    • NEW Support for current SMB versions (SMBv2/v3)

    *) Note: Only available for FRITZ!DECT 301 with version 4.91 or higher, update will be installed automatically
    **) Note: These functions are available after updating from FRITZ!OS 7.19 and the FRITZ!Fon devices to version 4.51.

    [1] Notes on the “WPA3” feature:

    To use WPA3 in conjunction with Microsoft Windows 10, three components are required:
    – the latest Windows 10 Build (“version 1903” or later)
    – a compatible wireless device (“client”)
    – support for WPA3 for the respective wireless device (device driver support)

    For the FRITZ!Box to automatically offer a WPA3 connection to corresponding wireless devices, the “WPA mode” on the “Wireless / Security” page must be set to “WPA2 + WPA3”. A successful negotiation can be verified in FRITZ!Box on the “Wireless / Radio Network” page.

    For older wireless devices or hardware there is unfortunately often no suitable driver available. This includes all AVM WLAN Sticks as well.
    Support for WPA3 includes the latest generation from the “INTEL AX200” product series.
    The Windows 10 Build 1903 can be installed manually via “Windows Update”, if it was not already installed automatically.

    WPA3-secured connections require you to activate “Protected Management Frames (PMF; 802.11w)”. This also applies to parallel WPA2 connections in WPA mode “WPA2 + WPA3” (“transition mode”).

    [2] Advanced Mesh steering:

    FRITZ!OS always ensures the best connections between all wireless devices and between the FRITZ! products in the Mesh.
    Wireless devices, e.g. smartphones, tablets or notebooks, are supported in making better decisions about where they will connect to.
    In Mesh, FRITZ!OS actively intervenes with Mesh steering and steers wireless devices either between the 2.4 and 5 GHz wireless bands (“band steering”) or between several FRITZ!Box products, for example from a FRITZ!Box to a FRITZ!Repeater (AP steering). The requirement for this is that the same name (SSID) is used for both radio bands for the wireless network (default setting) and the wireless device supports the steering.

    With this Lab version, Mesh steering has been extended: it is now more active in improving the wireless LAN performance of the connected end devices.
    Even with wireless devices that have a good connection, the system regularly checks whether even better wireless LAN performance is possible and reroutes the devices accordingly, e.g. if the device has been moved away from the FRITZ!Box or back again.
    In addition, the robustness in handling wireless devices, which do not completely control the rerouting, has been improved.

    [3] Notes on migrating access to FRITZ!NAS content via the SMB protocol

    Migration of SMB version, NTLMv1 not supported

    With the current Lab, the SMB protocol used to access NAS releases will be migrated to version 3.
    Please migrate those devices with which you want to access FRITZ!NAS via SMB to SMBv3.
    If you are using devices that only support SMBv1, you can reactivate support for this version via the FRITZ!Box user interface under “Home Network / USB/Storage”.

    The authentication procedure NTLMv1, which is obsolete, is no longer supported in the course of the migration.

    Using SMBv3 on Windows, Mac and Linux computers

    New installations of Windows 10 have been using SMBv3 and NTLMv2 ex works since the end of 2017.
    After updating to the FRITZ! Lab, you can disable support for SMBv1 by choosing “Enable or disable Windows features / Support for SMB 1.0/CIFS file sharing”.

    Apple devices with MacOS Catalina (version 10.15 or later) also use SMBv3 ex works.

    On Linux PCs, it may be necessary to manually configure the use of SMBv3/2.
    To do this, add the following lines to the configuration file “etc/samba/smb.conf” in the “Global Settings” area

    client min protocol = SMB2
    client max protocol = SMB3

    Network drives that have been set up can no longer be used after the update.

    The migration in the access procedure may mean that existing network drives have to be set up again.

    New system events

    If access to FRITZ!NAS contents via SMB does not work after installing the FRITZ! Lab, you can get an indication of the reason in the system events of the FRITZ!Box: e.g. incorrect user name/password, user with missing NAS rights or access with a device that only supports SMBv1 or NTLMv1.

    [4] What is OWE (Opportunistic Wireless Encryption) ?

    OWE is a technology that allows secure communication in “open” wireless LANs.

    Up to now, “open” wireless networks in places like cafés, bars, restaurants, etc., were defined as being completely non-encrypted; this meant that no additional encryption on the wireless protocol level was used to establish connections or transport data. Although this is very convenient because connections are established quickly and easily, it also means that data is not sufficiently protected. Unauthorized parties can easily record or read user data. This can only be avoided if additional encryption such as https, VPN, TLS, etc., is used on higher protocol layers along the entire connection route.

    With OWE, data transport (“payload”) in such “open” connections over wireless LAN is now selectively encrypted by a software extension (WPA2/CCMP method). However, access data is still not required to establish the connection, which means that the high level of convenience of an “open” wireless network remains unchanged.

    In FRITZ!OS 7.19 or later, OWE is accessible through an extension of the wireless guest access (“public WiFi hotspot”). The new feature can be enabled by selecting the option “Allow encrypted data transfer in a public hotspot (OWE)” on the page “Wireless / Guest Access”. “Open/non-encrypted” can still be used alongside OWE-secured connections. The wireless device must also support OWE (for example devices with Android 10).

    Wireless guest access connections that use OWE are displayed with a lock icon on the pages “Wireless / Radio Network” and “Home Network / Network”.

    OWE is part of the certification program from the “Wi-Fi Alliance” (WFA) under the name “Wi-Fi Certified Enhanced Open” and can already be used with the following devices, for example:
    – Google Pixel 2 / 3 / 4 and possibly other devices with Android 10 (displayed in the menu as “Security: Enhanced Open” – OWE is a feature of Android 10)
    – Samsung S10 (Android 9, displayed as “Open” in the menu)
    – Xiami Mi A1 (Android 9)

    II. More Improvements and Bug Fixes in the Various Lab Versions

    — Additional bug fixes in FRITZ!OS 7.19-75207/75208 —

    Fixed – Occasionally the “Error code 1” dialog appeared in “Diagnostics” after an updating and then the user interface could no longer be reached
    Fixed – Push service did not send a mail notifying that encrypted name resolution in the internet (DNS over TLS) had been activated
    Fixed – Reset to factory settings was sometimes possible without additional confirmation
    Fixed – VPN connections were sometimes disabled after update

    Fixed – Settings for wireless schedule were not possible in certain environments (empty page)
    Fixed – Wireless devices on the public wireless hotspot were not displayed correctly
    Improved – WFA Enhanced Open, new icon for ONE-encrypted wireless guest access
    Improved – Initialization problems after auto channel function re-evaluated the wireless environment
    Improved – New icon in the “Mesh Overview” for wireless connections in the public hotspot secured by “OWE/Enhanced Open” (Opportunistic Wireless Encryption)
    Fixed – Different names for the frequency bands (SSIDs) were not applied

    Fixed – Dialing rules could not be set up

    Fixed – No connection possible when “non-encrypted” was selected as encryption

    Home network:
    Fixed – Problems setting up static routes
    Fixed – Problems with adjusting the speed of LAN ports

    Improved – Diagnostics function check expanded to include NTP
    Improved – Expanded diagnostics function check in the “Wireless” area
    Improved – Modernized display of “LEDs” and other symbols throughout the user interface
    Improved – Stability
    Improved – Diagnostics function check expanded to include the display of blocked devices
    Fixed – Adjustment of LED brightness to ambient light did not work (7590)
    Fixed – Frequent restarts with certain USB flash drives (mobile network)
    Fixed – Misleading error message in diagnostics when a downstream FRITZ!Box was registered with MyFRITZ! ( as an IP client
    Fixed – Problems with setting LED brightness (7590)
    Fixed – The “DSL Version” was missing in mail from the “FRITZ!Box Info” push service

    Fixed – Search in FRITZ!NAS did not always work reliably
    Fixed – Some files could not be opened via the network drive (SMB)
    Fixed – The time information “Changed On” was given incorrectly on fritz.nas if the language was not set to German in the FRITZ!Box
    Fixed – USB remote connection did not work
    Fixed – USB settings could not be changed
    Fixed – When network drive (SMB) was accessed, the IP address of the home network device was not listed in the “Event Log”
    Fixed – When uploading a file to fritz.nas by Drag & Drop, each file was uploaded twice

    — Additional bug fixes in FRITZ!OS 7.19-74610/74611 —

    Change: Error message if list of resolve names (FQDNs) for DNS over TLS (DoT) is empty
    Change: Strict syntax check for resolve names (FQDNs) for DNS over TLS (DoT)
    Fixed: Resolve names (FQDNs) for DNS over TLS (DoT) are not retained after deactivation
    Fixed: Error when redeeming valid tickets from parental controls

    Home network:
    Fixed: Mesh Repeaters displayed the name of the Mesh Master instead of their own name
    Fixed: The note “valid starting with the next query” under the IP address of unused connections was visible too often

    Fixed: The name assigned to Mesh Repeaters in the FRITZ!Box was not properly applied

    Improved: Adoption of the settings now allows Smart Home and telephony settings to be adopted separately
    Improved: Popup informing about outdated browser when opening FRITZ!Box interface
    Improved: Mesh information added to the support data under “Contents > FRITZ!Box Support”
    Improved: FRITZ!Box support page now allows support data to be sent directly to AVM
    Fixed: Problem when changing the recipient of push service emails was solved
    Fixed: Either the name of the Mesh Master or no name was used when sending Push Services from Mesh Repeaters

    — Additional bug fixes in FRITZ!OS 7.19-74232 —

    Fixed: unexpectedly frequent restarts of the FRITZ!Box in Mesh Repeater operation with special settings

    — Additional New Features, Improvements and Bug Fixes in FRITZ!OS 7.19-74093 —

    Fixed: Detailed view of devices at LAN guest access shows blank page
    Fixed: “Diagnostics / Function” shows wrong error message for MyFRITZ! registration for FRITZ!Boxes in IP client mode

    Fixed: After changing the encryption from WPA2 to WPA2+3 on the Mesh Master, Mesh Repeaters can reestablish a connection.
    Fixed – Warning message via push mail for unencrypted guest access (Hotspot) removed

    NEW: Support for encrypted telephony (TLS and SRTP) for Deutsche Telekom, Easybell and

    Home network:
    Improved: Improved display of locked devices in device details
    Changed: Option to switch the WAN port to 5th LAN port operation

    NEW: Lab welcome page now with news and information about new products
    NEW: Language and country selection added
    Improved: detailed improvement of the function diagnostics in the “Internet” area
    Improved stability
    Fixed: Function diagnostics showed connection errors for functioning Mesh Repeater connections
    Fixed: No email notification about available updates via

    Improved: When creating new release links on fritz.nas, the user is informed if the FRITZ!Box is not accessible from the internet
    Fixed: under certain circumstances no folder can be created or files can be accessed via Windows network drive (concerns NTFS formatted partitions)

    — Additional bug fixes in FRITZ!OS 7.19-73565 —

    Fixed – VPN connection name not displayed in network connections and Mesh Overview
    Fixed: In the VPN overview table “local network” is missing and “remote network” remains empty
    Fixed: port releases for different devices with the same name cannot be created
    Fixed: Problems with umlauts in the parental control filter lists
    Fixed: Guest network lock in the parental controls did not lock reliably

    Fixed: “Wireless / Guest access”: The timer for automatic shutdown can be changed again
    Fixed: “Wireless / Radio Network / Security”: Sorting by MAC addresses works again
    Fixed: “Delete” button for devices is now only displayed if the device can actually be deleted
    Fixed: PMF option is no longer offered for “WPA/TKIP” encryption
    Fixed: Wireless guest access can be reliably switched on/off again
    Fixed: Time stamp “Wireless LAN channels used” corrected (5-GHz band)

    Fixed: VoIP accounts with IPv6 only configuration could no longer be reconfigured to IPv4 when IPv6 was missing
    Fixed: Deleting STUN server and outbound proxy via the GUI does not work and/or will not be carried out
    Fixed: Blank/white page in fax function after selecting telephone book entries without telephone numbers
    Fixed: IP door intercom systems always used the ring tone of the last push button
    Fixed: Various detail corrections on the configuration pages for telephony
    Fixed: SIP trunks under profile “SIP system connection” cannot be created for providers for whom there is already a SIP profile in the FRITZ!Box with the same registrar
    Fixed: SIP accounts under profile “Other providers” cannot be created for providers for whom there is already a SIP trunk profile in the FRITZ!Box with the same registrar
    Fixed: Automatic fax recognition for telephone numbers of analog landlines could not be set up

    Fixed: Display of FRITZ!Powerline 520/530E in the Mesh connection diagram not correct
    Fixed: For wireless guest access the steering characteristics (11k/v) of wireless devices are once again taken into account correctly (Google Pixel 2 and SAMSUNG S10)

    USB/Mobile communications:
    Fixed: Detailed corrections to configuration and status information when using mobile dongles
    Fixed: In push mails for SMS messages not all configurations could be edited
    Fixed: Certain SMS messages were sent without text and sometimes with an incorrect time stamp


    III. Additional Feedback on FRITZ!OS

    In addition to direct feedback in our lab area, there are three additional feedback functions in the user interface which provide information. AVM has automated the processing of feedback supplied by these functions.

    1) DSL feedback: “Internet / DSL Information / Feedback”
    2) WiFi feedback: “Wireless / Radio Network”, Feedback icon after the clients
    3) VoIP feedback: “Telephony / Telephone Numbers / Voice Transmission”, “Other” column: Feedback icon after each call

    IV. Information on the Lab Update

    This FRITZ! Lab firmware is a beta version. AVM tested the software in standard environments before making it available to the public, but it may still result in malfunctions. AVM will not be liable for any damages that arise from the use of the lab version.

    Information on Working with Lab Versions

    We appreciate any feedback from our users, which can be submitted on the page
    This page also presents all of the current FRITZ! Lab versions with corresponding feedback areas.

    Before You Start Testing the Lab Version

    1) You have not installed the latest firmware for your FRITZ!Box yet? Then you must first update the firmware to the latest release.
    2) Save your current settings under “System / Backup”. The saved settings will be needed if you want to switch back from the lab firmware back to the release firmware.

    Testing the Lab Version

    Once the latest firmware has been installed on your FRITZ!Box and you have saved your current settings, you can begin testing.

    1) Unzip the “ file”.
    2) Use the FRITZ!Box user interface to install the update:
    – Select “View: Advanced” in the footer.
    – Navigate left in the menu to “System / Update”.
    – Switch to the “FRITZ!OS File” tab.
    – Follow the instructions displayed on the screen.
    Enter in the input field the path to the lab firmware and the name of the firmware itself (FRITZ.Box_7590-0x.xx-xxxxx.Lab.image).
    3) The firmware is transferred to the FRITZ!Box. Then the FRITZ!Box will restart.

    Restoring Your Device to the Condition It Was in Before Testing

    You can restore the official FRITZ!OS to your FRITZ!Box at any time under “System / Update / FRITZ!OS Version”, or reset the FRITZ!Box using the included Windows program “recover.exe” (included in the lab package).


    © AVM GmbH 2004—2020. All rights reserved.

    This AVM firmware package contains files that are propagated under different licenses, in particular under a license held by AVM or under an open-source license (the GNU General Public License, GNU Lesser General Public License or FreeBSD License). For details on the various licenses, see the “license.txt” file (
    The source code of the files propagated as open source files can be obtained upon a written request to

    AVM grants the non-exclusive right to use this AVM firmware package, which is supplied exclusively in object code format. The licensee may create only one copy of the software, which may be used exclusively for backup use.
    AVM reserves all intellectual property rights except as expressly granted herein. Without previous approval in writing, and except for in cases permitted by law, it is particularly forbidden for this AVM firmware packet to be
    – copied, propagated, or in any other manner made publicly accessible, or
    – processed, disassembled, reverse engineered, translated, decompiled or in any other manner “opened” and subsequently copied, propagated or made publicly accessible in any other manner.


    In a completely sane world, madness is the only freedom (J.G.Ballard).

    • Posts 517
    • Addict

    Important to know that now even german version 7490 and 7590 supports multi language and region setting. So you wont be limited to use international version of these router-modems.

    Differences in packages are only different plugs, so you could make your own for your needs.

    UK Sentinel
    • Posts 3990
    • Skipper

    Important to know that now even german version 7490 and 7590 supports multi language and region setting. So you wont be limited to use international version of these router-modems. Differences in packages are only different plugs, so you could make your own for your needs.

    Thatt is good to know, thanks

    In a completely sane world, madness is the only freedom (J.G.Ballard).

    • Posts 517
    • Addict
    UK Sentinel
    • Posts 3990
    • Skipper

    now there are 7.24 lab-firmwares available:

    In a completely sane world, madness is the only freedom (J.G.Ballard).

    UK Sentinel
    • Posts 3990
    • Skipper

    A Beta updated for the FB 7490

    Language: Multi-language
    Version: 07.24-87448
    Date: 07 April 2021

    In a completely sane world, madness is the only freedom (J.G.Ballard).

    UK Sentinel
    • Posts 3990
    • Skipper

    Another 7490 Beta:-

    Language: Multi-language
    Version: 07.24-87580
    Date: 14 April 2021


    Fixed – Telephone numbers are not registered when advanced fallback protection is used

    Fixed – VPN connections on the basis of third-party providers were sometimes interrupted after long connection times

    Fixed – After long operation times, certain functions were sometimes no longer available (e.g. media player, search for updates…)

    In a completely sane world, madness is the only freedom (J.G.Ballard).

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