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Dokument informacyjny #3653

FRITZ!Fon often displays the message "Synchronizing"

The message "Synchronizing" is shown on the telephone's display very often. Since synchronizing makes the display turn on frequently, the battery drains quickly. Usually it is not possible to navigate through the menu because the telephone keeps going back to the start screen. In particular, the menus "Telephone book" and "Call list" can no longer be accessed.

Simply proceed as described below. After each measure, check whether the problem is solved.

Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.

1 Switching the telephone off and on again

  1. Switch the telephone off by holding down the end call key (red handset) and then switch it on again.

2 Restarting the FRITZ!Box

  1. Click "System" in the FRITZ!Box user interface.
  2. Click "Backup" in the "System" menu.
  3. Click on the "Restart" tab.
  4. Click the "Restart" button.

3 Restoring the telephone to its factory settings and re-registering it

Deleting the telephone

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Telephony Devices" in the "Telephony" menu.
  3. Click the (Delete) button to delete the respective telephone.

Restoring the telephone to its factory settings

  1. Press the "Menu" key on the telephone.
  2. Scroll to "Settings" and press "OK".
  3. "Reset" > "OK" > "OK"

Restarting the FRITZ!Box

  1. Click "System" in the FRITZ!Box user interface.
  2. Click "Backup" in the "System" menu.
  3. Click on the "Restart" tab.
  4. Click the "Restart" button.

Re-registering the telephone

  1. Register the telephone with the FRITZ!Box.
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