DL400 Pro Bildschirmtester für iPhone – Umfassende Tests von iPhone 6 bis iPhone 15 Pro Max – Inklusive Testkabel und professionellem Zubehör – Professionelle Qualität – Schneller Versand

This is all in one tester, it works like the motherboard, but it will be much cheaper than the test motherboard.
You can test LCD screen image/touch/3D touch/brightness test.
For light sensor calibration and color calibration.
Compatible with original LCD and aftermarket copy screen.
Multiple Functions: Touch Test Screen/3D Test/True Tone Repair/Light Perception Repair/Data Transmission
Supports iPhone Models from 6G-15Pro Max