How to repair iPhone Touch ID not working?

Touch ID is Apple's fingerprint identification technology. Touch ID can not only protect your iPhone, but also allow you to easily unlock your phone with a fingerprint. But if your Touch ID doesn't work, you won't be able to use fingerprinting on your phone. Have you ever encountered a failure of touch ID? For this phenomenon, it is not easy for you to operate your iPhone. Our VIP FIX Shop Team will provide a solution for this problem.



Touch ID doesn't work on the iPhone
In the following 6 cases, you need to enter the password instead of Touch ID:
1. Restart the device
2. The fingerprint has not been recognized for five consecutive times
3. The device has not been unlocked for more than 48 hours
4. Just registere to add or remove fingerprints
5. If you are trying to open Touch ID and password in the Settings menu
6. If the "password required" in the access restriction is set to "immediately"





Solve the Touch ID doesn't work
1. If your finger is wet or there is moisture on the home button. It can make your Touch ID inoperative.
2. Make sure your fingers and home screen buttons are clean and dry. For home screen buttons, please wipe off all dust with a clean, lint-free cloth.
3. Go to Settings> universal>, restore, and click restore all Settings. Your iPhone will reboot and all Settings will be removed without erasing any data on the iPhone.


If the above methods can not solve the problem, there is a detail touch ID or home button replacement solution help you repair your iPhone.

1. be sure to turn off your iPhone before you do any repairs.

2. Remove the LCD screen assembly with the help of the screen opening repair tools. Then use the microscope to check the home button flex cable, if you found that the ribbon cable is broken. Scrape the coating off the wire on the ribbon cable with a knife.

3. Use some BGA soldering paste flux and  solder the tins with the soldering station. Scrape the coating off the wire from the back. Apply some BGA solder paste and then use the soldering station to solder the tin.


4. Cut the wire and align it properly. Heat and weld with a hot air gun. Flip the flexible cable to the back and weld it with the wire. Use a digital multimeter to test if it is short-circuited. Install the home button and test it. Apply some uv - curing soldering posts to the wire to secure the joint.

Finally, Install the LCD screen assembly and test it, touch ID works well.
If you are interested in our article, and looking for some tools to repair your iPhone, please visit our VIP FIX shop team.

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