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Get Free Guide Here To Fix iPhone 6S Plus Fingerprint Failure

The iPhone 6S Plus fingerprint has some failures, such as can't add fingerprint on iPhone , or the iPhone home button has no response when you touch it with fingerprint. In this article , you can get free guide to fix it.


Check iPhone 6S Plus  fingerprint flex cable interface schematic diagram on  WUXINJI Dongle. By looking at the diagram of the iPhone 6S plus fingerprint flex cable interface, we can find that it is a little different from the iPhone6 plus. The left side is the control signal of the fingerprint section. The right side with MAMBA is the newly added functional Force Touch, which is called the piezo touch, for example, the reactions are different between gently point the desktop clock icon and pressing the icon by force,



If there is a failure of fingerprint addition, first measure the voltage of 1.8V and 3.0V in the picture 1-3 with the Fluke 15B+ digital multimeter. If there is no resistance measurement of the two circuits, check whether there is an broken circuit or short circuit, check the connected inductance or the bypass capacitor, the inductance can be short connected by jumper wire, the bypass capacitor can be removed by QUICK 861DW hot air gun. If the inductance and capacitance failures are excluded, you can also try to reassemble or replace power IC--U2000.
If the power supply is normal, the resistance of each pin is required to measure in turn. If there is an damaged circuit or short circuit, you need to check the inductance or bypass capacitor. The inductance can be short connected and the bypass capacitance can be removed.


If the addition of fingerprint will not prompt "failure", but the home button does not respond when you touch, generally it's because there is no 16.5V voltage, you can replace iPhone 6sp fingerprint power supply U4040 to solve the problem.

At last,  measure the iPhone 6SP motherboard to check whether the data is normal, if yes, install the iPhone, and then power on iPhone to check iPhone fingerprint function. 
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