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Mijing C20 4 in 1 motherboard layered test fixture for iPhone 12/12 mini/12 Pro/12Pro max. MJ C20 motherboard function tester For iPhone 12 series logic board lower upper layer tester.
Feature: Easy to use, connect the upper and lower motherboards for testing/repair, avoid problems after installation, increase maintenance speed Check in advance to avoid duplicate disassembling and breaking the motherboard Small size, easy to carry.
Operational Process: 1, Prepare: Power On/Off Cable*1 Power Line*1 LCD Test Cable*1 Screen*1 Main Board*1 2. Decomposition iPhone 12/12p/12promax Middle Layer simply equipped the test fixture. 3. Install: Put in the lower main board, put on the pinboard, but the top board in, and then cover the test rack. 4. 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.