Small modification to make the light in the interior brighter with the existing LED.
1. the LED must first be disconnected.
2. then carefully open the white cover of the LED strip
3. now carefully remove the welding points with which the LED board was attached.
4. insert the printed LED holder, pull the cable through the opening and insert the LED.
5. Reattach the white cover of the LED strip and reconnect the LED.
6. finished!

Please share your Results, and let me know if something could be improved.