Restore the original functionality of your device with this high-quality Xiaomi Mi A3 / CC9E Power & Volume Button Replacement Key Set. Designed for perfect compatibility, this replacement part helps fix damaged, broken, loose, or non-working side buttons with smooth and responsive operation. Made from durable premium materials and tested before shipping, it ensures reliable performance and an OEM-like fit. Ideal for professional technicians and DIY mobile repair users looking for an affordable and dependable repair solution.