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.
2. Go to settings – Touch ID & passcode – enter your passcode, the fingerprint is grayed out.
3. 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.
5. Scrape the coating off the wire on the ribbon cable with a knife.
6. Apply some BGA paste flux and solder the tins with soldering station.
7. Scrape the coating off the wire on the reverse side.
8. Apply some BGA paste flux, then solder the tins with soldering station.
9. Cut the wires then align them correctly, heat it up with hot air gun and weld.
10. Turn the flex cable to the reverse side, weld it with the wire.
11.Test if it is a short circuit with digital multimeter.
12. Install the home button and test.
13. Apply some UV curable solder mast on the wire to fix the welding joint.
14. Install the LCD screen assembly and test, 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
- Magnetic Screw Memory Mat
- Tweezers
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.
11 Comments
Do you guys do the repair? I have ripped ribbon cable on the home button of a iPhone 7 & I live in Texas
We are so sorry that we do not offer individual service at present.
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
So sorry that we do not offer individual service.
very very nice video as well as blog.thanks
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
For the high delivery cost and complex customs, we’re afraid we can not provide individual service. Sorry for the inconvenience.
recently my iphone 6s stops to respond touch id and home button heats only in standby mode. will it be safe to use phone without effecting other component? is this software issue or hardware? and how could it be resolved? thank you..
It is the hardware issue. The iPhone 6s home button is damaged. Please replace a new iPhone 6s home button
Hi dear i have this problem how much will cost to repair ?
Hello,
Thanks for your inquiry. We are so sorry that we do not offer individual service at present.