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Introduzione

Return-to-home functionality failure is a common issue of iPhone 7/7P and the problem is usually related to the U10 chip on the home button cable.

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  1. Open an APP and then press the home button, it fails to return back to the home screen. Double-press the home button and there is also no response. Long-press the home button and Siri is also not launched.
    • Open an APP and then press the home button, it fails to return back to the home screen. Double-press the home button and there is also no response. Long-press the home button and Siri is also not launched.

    • However, Touch ID can be set up successfully.

  2. The return-to-home functionality of home buttons on iPhone 7/7P/8/8P is supported by the U10 chip on the home button cable. Let’s try to replace with a new U10 chip and see how it works.
    • The return-to-home functionality of home buttons on iPhone 7/7P/8/8P is supported by the U10 chip on the home button cable. Let’s try to replace with a new U10 chip and see how it works.

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  4. Secure the cable with High-temperature tape. Heat with the Hot Air Gun to remove sealing adhesive around U10 chip. Then detach the U10 chip from the home button cable.
    • Secure the cable with High-temperature tape. Heat with the Hot Air Gun to remove sealing adhesive around U10 chip. Then detach the U10 chip from the home button cable.

  5. Solder a new U10 chip. Get the home button cable installed.
    • Solder a new U10 chip. Get the home button cable installed.

    • Turn on the phone and test. Touch ID works normally. The return-to-home functionality is also back to normal.

    • Touch ID of the phone works normally while return-to-home functionality fails.

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Un'altra persona ha completato questa guida.

Phryne

Membro da: 17/11/2019

7.778 Reputazione

62 Guide realizzate

I have 2 iPhone 7 with this issue. Anyone who can help me with pointing out who can solder new A10 chip for me?

regards

Carsten - Replica

Turn to a local repair shop for help or you can try mail-in repairing.

Phryne -

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