Perfect Replacement for Samsung Galaxy A40: This 64GB unlocked motherboard is specifically designed for the Samsung Galaxy A40 SM-A405FN Dual Cards model. It serves as an ideal replacement for your device's original motherboard, ensuring seamless compatibility and performance. High-Quality PCB Materials: Constructed from premium PCB materials, this main board is engineered to resist corrosion and abrasion, providing a durable and long-lasting solution for your smartphone. This ensures your device remains in optimal condition over time. Precision Fit and Easy Installation: With precise cutting and interfaces, this motherboard guarantees a perfect fit, allowing for straightforward replacement of your old or damaged board. This precision ensures all components align perfectly, maintaining the device's integrity and functionality. Ready to Use: Each main board is thoroughly tested to ensure it is free from repairs, water ingress, network locks, and account locks. It is shipped ready to use, offering a reliable and efficient solution for your device's needs. Worry-Free Repairs: Ideal for accidental damage replacement, this motherboard simplifies the repair process, making it easier and more reliable to restore your device to full functionality. Enjoy peace of mind knowing that your repairs are straightforward and effective, ensuring your device is back to working order quickly.