Set of 2 black sidekey by Honor 400 premium quality

Set of 2 Black Side Buttons for Honor 400 DNY-NX9 Premium Quality

Set of 2 black side buttons for Honor 400 DNY-NX9 in premium quality, designed to replace the exterior power and volume keys when they show wear, breakage, deformation or operating problems. The set includes the power button and volume button, restoring physical control of locking, power, volume up and volume down. Manufactured with dimensions adapted to the side frame of the device, they provide precise installation and maintain the exterior finish of the terminal. Replacement part prepared for professional installation.

Premium quality provides good manufacturing tolerances, mechanical resistance and precise fitting in the structure of the Honor 400 DNY-NX9. This set is especially suitable when the exterior buttons have looseness, surface wear, impacts or difficulty correctly transmitting the press to the internal mechanisms. It allows only the physical keys to be replaced when the flex and electronic switches continue to work correctly. Its design facilitates assembly and helps restore both the functionality and finish of the side of the device. It is recommended to check the condition of the flex beforehand and perform several press tests before final closure.

Installation Tips

Disconnect the battery before starting the repair.

Use ESD protection during handling.

Remove the damaged buttons without damaging the side housing.

Check the condition of the flex and internal switches.

Correctly align both buttons before closing.

Verify power, lock, volume up and volume down before final closure.

Technical Table