The phone board layout is precise and compact, and most PIN pins have no epitaxial line of testing. For example, the board does not connect to the LCD screen. When the boot board can not detect the screen, there will not be relevant voltage output and technicians can not detect and test the voltage value of the relevant circuit.
This test cabel for iphone 6/6p/6s/6sp/7/7p, every model have 4 type test cable as: rear camera, front facing camera,dock connector and touch screen cable.
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