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How to Fix “Unknown Part” Warning After Screen Replacement by IC Chip Transfer
In the world of smartphone repair, few issues confuse customers more than seeing an “Unknown Part” or “Important Display Message” after a screen replacement. This is especially common with modern iPhone models, where even a perfectly functional new screen can trigger system warnings. 1. Why Does the “Unknown Part” Message Appear? Starting from newer generations of iPhones, Apple Inc. introduced hardware-level component pairing. This means certain parts — including the display — are cryptographically linked to the phone’s logic board.Each original screen...
