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Fritzbox Firmware update - how?

  • Sep 21, 2025
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You want to update the Firmware of your Fritzbox to get the latest features, you should make a backup. How to perform this and create the Firmware Update, read here.

Step 1: the settings of the Fritzbox save

Because it may lead to errors during the Firmware Update, you should save the settings of your Fritz box before each Update:
  1. Open in the Browser, the user interface fritz.box.
  2. Enter your password and click "Login".
  3. Click the links in the menu on the "System".
  4. It opens a submenu, where you will find the option "backup".
  5. You set a password, and then click on the "Save" Button. Now a backup file is saved on your Computer.
Backup copy of the Firmware

Step 2: the Firmware of the Fritzbox to update

  1. Go back to the tab "Update".
  2. Click on the Button "New Fritz!OS search".
  3. A new Firmware is found, you will see the Changes. You want to install the Update, click the bottom right Button "start Firmware Update now".
  4. The Update will now be downloaded and installed. During the Installation, the Fritzbox is not accessible. You don't come so also to the Internet. The Fritz box will restart automatically. The process can take a few minutes, disconnect the device from the power.
Fritzbox Firmware update
Should problems occur, you will learn in this tiphow to make your Fritzbox reset.

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