1. Easy to use, connect the upper and lower motherboards for testing/repair, avoid problems after installation, increase maintenance speed
2. Check in advance to avoid duplicate disassembling and breaking the motherboard
3. For iPhone iPhone 14/14Plus/14Pro/14Pro Max Middle Layer simply equipped the test fixture
4. Install: Put in the lower main board, put on the pinboard, put the top board in, and then cover the test rack
5. The first way to connect the screen line, boot, power cord, or battery test ink success or not. The second way is to connect the end plug on the base of the first method to implement the brush function