FRITZ!Fon M2 Service - Knowledge Base

FRITZ!Fon M2 Service

FRITZ!Fon does not turn on anymore since software update

Since updating the software, you cannot turn FRITZ!Fon on by pressing the hang-up key (red handset). The telephone's display remains dark.

1 Placing the telephone in its charging cradle without the battery and turning it on

  1. Hold down the hang-up key (red handset) for about one second to turn the telephone off.
  2. Remove the rechargeable battery from the telephone.
  3. Place the telephone into the charging cradle without its battery inserted.
  4. Press the hang-up key to turn the telephone on again and wait until the telephone has started once while in the charging cradle.
  5. Turn the telephone off again.
  6. Remove the telephone from the charging cradle and reinsert the battery.