Compatible Models: Designed specifically for Nintendo 3DS and Nintendo 3DS LL/XL systems, ensuring a precise fit and reliable performance. Product Function: This L and R button switch ribbon cable set is the ideal replacement for repairing malfunctioning or nonresponsive left and right shoulder buttons. Restores original button function to maintain smooth gameplay and system control. Package Contents: Includes 1 complete set of L and R flex cables, ready for installation. Key Benefits: Solves issues caused by damaged, worn, or broken button ribbon cables. Restores comfort and responsiveness to gaming controls without the need to the entire console. Compatible fit prevents installation problems and ensures consistent performance. Use Scenarios: 1. worn or broken cables to fix buttons that no longer respond during gameplay. 2. Restore original control precision for users experiencing intermittent button issues during long gaming sessions. 3. Maintain system performance by replacing weakened flex cables before they cause permanent damage. Important Notes: Please carefully review the product images, model compatibility, and cable type before to ensure this is the correct part for your device. Check console version to confirm fit. This replacement part is designed for accurate installation and intended for users familiar with handheld console procedures.