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iPhone 7 Series REWA LAB

iPhone 7 Broken Touch ID Hardware Fixed

iPhone 7 Broken Touch ID Hardware Fixed

It is well known that Touch ID chip is exclusively matched with the motherboard. If change a new home button only, the Touch ID function disappears as the unique chip is also changed. So if the home button is unfortunately broken, how can we repair it without losing Touch ID?

Common Touch ID problems include Touch ID fails, and Touch ID not working at all. There are easy solutions to most problems like the sweaty finger, wet/dry sensor or other software issues, but quite complicated for broken Touch ID repair. Follow the steps in this post to get your iPhone 7 fixed now!

1. Turn on the phone, unable to activate its Touch ID.

unable to activate Touch ID
2. Go to settings – Touch ID & passcode – enter your passcode, the fingerprint is grayed out.

fingerprint is grayed out
3. Take down the home button flex cable.

Take down the home button flex cable
4. Check the home button flex cable under the microscope, we found that the ribbon cable is broken.

Check the home button flex cable under the microscope
5. Scrape the coating off the wire on the ribbon cable with a knife.
Scrape the coating off the wire
6. Apply some BGA paste flux and solder the tins with soldering station.

Apply some BGA paste flux and solder the tins with soldering station
7. Scrape the coating off the wire on the reverse side.

Scrape the coating off the wire
8. Apply some BGA paste flux, then solder the tins with soldering station.

Solder the tins with soldering station
9. Cut the wires then align them correctly, heat it up with hot air gun and weld.

Weld the wires
10. Turn the flex cable to the reverse side, weld it with the wire.

Weld it with the wire
11.Test if it is a short circuit with digital multimeter.

Test if it is short circuit with digital multimeter
12. Install the home button and test.
Home button testing
13. Apply some UV curable solder mast on the wire to fix the welding joint.

Apply some UV curable solder mast
14. Install the LCD screen assembly and test, fingerprint works well.

Fingerprint works well
If you are looking for a chip level repairing service for iPhone home button or touch ID malfunctions, you’re in the right place. REWA repair service takes care of all your headaches!

Tools Used:

  • Mobile Phone Repair Platform
  • Electron Microscope
  • Digital Multimeter
  • Soldering Station
  • Hot Air Gun
  • Glass Lens
  • BGA Paste Flux
  • Screw Drivers
  • Tweezers
  • Anti-static Wrist Strap

Want to get them, please contact us:

PRE-SALES

  • Skype: rewatech
  • Email: sales@rewatechnology.com

AFTER-SALES

  • Skype: support-rewatech
  • Email: support@rewatechnology.com

Watch the detailed iPhone 7 home button not working guide video here.

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6 Comments
  • Ruth
    02/24/2018 at 11:53 am

    Do you guys do the repair? I have ripped ribbon cable on the home button of a iPhone 7 & I live in Texas

    • REWA
      04/24/2018 at 5:55 pm

      We are so sorry that we do not offer individual service at present.

  • Roberto
    10/30/2017 at 12:44 pm

    I saw the video and I my Touch home of my IPhone 7 is broken
    Can you produce a touch for me and I order

    • REWA
      11/03/2017 at 9:28 am

      So sorry that we do not offer individual service.

  • asad khan
    08/16/2017 at 10:49 pm

    i seen your video and its unbelievable. i have the same problem with my iphone 6. my home button flex is torn by the connector. i live in the UK and i want to get it fixed. could you do that job or can you give me more information. thanks

    • REWA
      08/26/2017 at 5:01 pm

      For the high delivery cost and complex customs, we’re afraid we can not provide individual service. Sorry for the inconvenience.

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