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Pièces & Outils

Introduction

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.

Vidéo d'introduction

  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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Une autre personne a terminé cette réparation.

Phryne

Membre depuis le 17/11/2019

7 562 Réputation

58 tutoriels rédigés

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 - Réponse

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

Phryne -

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