Testing Machine for iPhone 5/5C/5S LCD Digitizer Assembly
It is much better than testing the LCD with a motherboard, this tester runs a picture and then runs different colors which show if the LCD has any defects. A great device for those who refurbish phones, so You test if LCD has any damage, it also tests Touch at the very beginning of the test. Full test takes about half a minute. You can also buy used (even cracked) screens as long as they fully working.
