We have received an iPhone 7 from our customer who claimed the iPhone has been dropped on the ground, and it has been receiving no wifi signal. Dropping an iPhone can cause motherboard line damage, components defect and chip IC failure, and affect Wi-Fi. In this video, we will share how to troubleshoot and fix the iPhone 7 Wi-Fi no signal receiving problem and greyed disable wifi icon with chip level repair. We hope you enjoy our sharing.