Introduction
If the keypad has stuck buttons or is unresponsive, you'll need to remove it and clean it or replace it entirely. Follow this guide to do so.
Ce dont vous avez besoin
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Remove the battery cover by pushing downwards and sliding the cover away from the device.
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Presque terminé !
To reassemble your device, follow these instructions in reverse order.
Conclusion
To reassemble your device, follow these instructions in reverse order.