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Dokument informacyjny #320
FRITZ!Fon C4
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FRITZ!Fon's battery only holds a charge for a maximum of one day

Even if you fully charge the FRITZ!Fon's rechargeable battery, it only only offers a maximum standby time of only up to one day. After that, the telephone must be placed in the charging station or it switches off.

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

1 Installing the latest software

  1. Install the latest software on the telephone.

2 Charging the rechargeable battery

  1. Leave the telephone in the charging station for at least 6 hours to fully charge the rechargeable battery. Make sure that the "Charging battery" symbol appears on the telephone display.

3 Activating the power saving mode for battery operation

  1. Press the "Menu" key on the telephone.
  2. Scroll to "Settings" and press "OK".
  3. "Display" > "OK" > "Power save" > "OK"
  4. Enable the option "for battery operation".

4 Replacing the rechargeable battery

If the problem persists despite trying all of the measures given here, the telephone's rechargeable battery is defective. Replace the rechargeable battery:

You can purchase a genuine replacement battery from an electronics retailer. Using so-called aftermarket batteries that are not originals, like the ones that can be found online, may damage your FRITZ!Fon.

Important:Due to how rechargeable batteries function, they are subject to wear and tear and are therefore not covered by the warranty (see warranty in the manual).

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