Check Here! iPhone 7 Touch ID Repair Solution

Home button is unfortunately damaged, how do we fix it without losing the touch ID? Common touch ID issues include touch ID failure, or touch ID doesn’t work at all. For some problems like wet / dry sensors or other software failure, there will be a simple solution, but it is quite complex to the damaged touch ID repair. In this article, the VIP Pro Shop Team will introduce how to repair the damaged iPhone 7 touch ID.




Required Tools for iPhone 7 Home Button ID Repair:

– Hot Air Gun

– Electron Microscope

– BGA Paste Flux

– Screw Drivers

– Tweezers

– Glass Lens

– Digital Multimeter


– Anti-static Wrist Strap

– Mobile Phone Repair Platform



Detailed steps for iPhone 7 Home Button ID Repair:

1. Go to settings – Touch ID & Passcode – enter your passcode, fingerprint is grayed out.




3. Observe the home button flex cable under the Trinocular Stereo Microscope, the ribbon cable is broken.

4. Scrape the coating off the wire on the ribbon cable with knife.

5. Apply some BGA paste flux and solder the tins with soldering station.

6. Scrape the coating off the wire on the reverse side.

7. Apply some BGA paste flux, then solder the tins with soldering station.

8. Cut the wires then align them correctly, heat it up with hot air gun and weld.

9. Turn the flex cable to the reverse side, weld it with the wire.

10. Test if it is short circuit with digital multimeter.

11. Install the home button and test.

12. Apply some UV curable solder mast on the wire to fix the wielding joint.

13. Install the LCD screen assembly and test, fingerprint works well.


Tips: More iPhone Repair free Skill or other Mobile Phone Repair details, you want to consult, please check here.

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