FRITZ!Fon M2 – Service - Knowledge Base
Display is defective
The display of your FRITZ!Fon is defective. It remains dark or white, or the screen scrolls constantly. It is inverted or mirrored, top and bottom or right and left are reversed. There are annoying lines on it or it has an entire line of defective pixels.
1 Removing the battery and reinserting it
- Hold down the end call key (red handset) for about one second to turn the telephone off.
- Remove the battery from the telephone for several seconds.
- Reinsert the battery and press the end call key to turn it on again.