Information on the lab update:
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This FRITZ! Lab firmware is a beta version. We tested the software in standard environments before making it available to the public, but it may still result in malfunctions. FRITZ! 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 https://en.fritz.com/fritz-lab. This page also presents all of the current FRITZ! Lab versions with corresponding feedback areas.

Before You Start Testing the Lab Version
1) You're not using the current FRITZ!OS in your FRITZ!Box yet? Then first update FRITZ!OS to the latest release version.
2) Save your current settings under "System / Backup". The saved settings will be needed if you want to switch back from the lab version back to the release version.

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

1) Unzip the "fritzbox-labor-yyyy-xxxxx.zip" 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 file and the name of the lab file (FRITZ.Box_yyyy.LabBETA.xx.xx-xxxxx.image).
3) The lab version is transmitted 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).