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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.

Video Overview

  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.

    • Follow this video guide to fix iPhone 7/7P home button not working issue.

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

    • Credit: REWA Academy

Finish Line

One other person completed this guide.

Phryne

Member since: 11/17/2019

7,247 Reputation

53 Guides authored

2 Comments

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 - Reply

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

Phryne -

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