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- Press the central key situated between the Navigation keys and hold it for 6 seconds -> the offer to reset the settings to the factory defaults appears on the screen ->
- Press the soft key OK to confirm
WP400
- Press Transfer key and hold it for 6 seconds -> the LED blinks twice with orange color ->
- Press quickly to confirm the operation -> the operation takes about 10 minutes and is terminated when the orange LED turns on again for several seconds
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