Touchscreen unresponsive is one of the most commonly seen cases in iPhone repair. Generally speaking, there are two different causes for iPhone x touch screen unresponsive. Malfunction of rails or components on the motherboard. Or touch failure caused by malfunction of the screen, which can be easily fixed by replacing with a new display assembly.
Check our iPhone x touch screen not working repair guide: https://blog.rewa.tech/detail/iphone-x-touch-screen-not-working-quick-fix
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