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Introduzione

iPhone X touchscreen unresponsive is one of the most commonly seen cases in iPhone repair. Generally speaking, there are two different touch failure cases. Touch failure of the screen or abnormal transmission of the touch signal from the motherboard to CPU. Today we are teaching you how to rule out and get the problem fixed by starting with simple, then complex.

Panoramica Video

  1. Replace with a new, undamaged screen and test. Touchscreen of the phone is responsive this time.
    • Replace with a new, undamaged screen and test. Touchscreen of the phone is responsive this time.

    • We can confirm that the problem is related to the original display assembly.

  2. Check the original display assembly. We can see that the touch flex cable and the touch connector look fine. There is nothing unusual on the bonding area.
    • Check the original display assembly. We can see that the touch flex cable and the touch connector look fine. There is nothing unusual on the bonding area.

    • Judging by this, the fault is probably caused by the touch IC or the screen.

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  4. Let’s replace with a new touch IC and see how it works.
    • Let’s replace with a new touch IC and see how it works.

  5. Assemble the phone and test.
    • Assemble the phone and test.

    • The phone turns on normally. Touch screen of the phone is back to normal.

Phryne

Membro da: 17/11/2019

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