JC Universal Return FPC Flex Cable enables the original dismantled home button to realize the return function, and it supports Fingerprint serial number edit. Go through this article to explore more about how to replace touch ID or fingerprint when iPhone 7 home button is cracked.
Remove the two iPhone bottom screws on the iPhone. Put the iPhone screen on the CPB screen separator to heat the lower edge, soften the adhesive securing the display. Apply a suction cup to front panel above the home button.
Insert spudger and slide iPhone around the phone from bottom to top. Pull up on the suction cup to lift up the display.
Remove the lower connector bracket, lift the battery flex cable, and disconnect the two lower display connectors the front panel sensor assembly connector.
Remove the display assembly and the bracket that secures the home/Touch ID sensor. Carefully pry up the underlying connector with Spudger Pry Opening Tools, and move it out of the way of the home/Touch ID cable.
Heating the area around the home/Touch ID sensor with ATTEN ST-862D hot air gun, separate the adhesive holding the home/Touch ID sensor cable. Remove the home/Touch ID sensor. After replacing the JC Fingerprint Flex Cable, reinstall the phone.
As you know, the iPhone 7 and later models don't have a physical 'Home' button. The response you get (vibration) using the 'Home' button is due to the Taptic Engine encouraging the 'click' when pressed. The iPhone 7 home button is shaped sensor for sturdy performance.
The JCID Universal Fingerprint Flex Cable is applicable for iPhone 7/7P/8/8P home button replacement.
1. During this procedure, to avoid accidentally straining or tearing the display flex cables, it's best to completely detach the display assembly before beginning repairs on the home/Touch ID sensor. But if you are comfortable doing so, you may skip the display assembly section of this guide and go straight to the home/Touch ID sensor section.
2. JC Fingerprint Flex Cable can't Repair TOUCH ID, only iPhone home button return function working.