If a MacBook Retina trackpad stopped clicking there are a few things you can try to troubleshoot and repair the problem.This could be related to:1. Failing (swollen) battery.2. Wrongly adjusted trackpad screw.3. Failed trackpad.If you are sure your MBPR 13.3 A1502 laptop is cased by trackpad , replace it,Such as Cracked, Broken

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Compatible Number:Apple MacBook Pro 13u0026#34; (Retina) A1502 early 2015 (MF839LL/A, MF843LL/A, MF841LL/A)

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PN.:810-00149-04

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Includ: A1502 Trackpad X 1

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Please note special tools are necessary during Macbook pro retina A1502 trackpad but not included

nCompatibility
MacBook Pro Retina A1502 "Core i5" 2.7 13" Early 2015 MF839LL/A*
MacBook Pro Retina A1502  "Core i7" 3.1 13" Early 2015 MF843LL/A*
MacBook Pro Retina A1502  "Core i5" 2.9 13" Early 2015 MF841LL/A*
NOT FOR
MacBook Pro Retina A1502  "Core i5" 2.4 13" Late 2013 ME864LL/A*
MacBook Pro Retina A1502  "Core i5" 2.6 13" Late 2013 ME866LL/A
MacBook Pro Retina A1502  "Core i5" 2.8 13" Mid-2014 MGX92LL/A
MacBook Pro Retina A1502  "Core i5" 2.6 13" Mid-2014 MGX72LL/A*
 
Replacement Note

Prying up on the hinged retaining flap not the ZIF socket itself
To avoid scratching the display of your MBPR A1502, open the computer about 90 degree and set it on end during A1502 trackpad replacement
Grass the trackpad and do not drop it when screw or remove the A1502 trackpad screw

About remove the battery

Tear off battery before A1502  trackpad replacement. Battery is hard to remove. Do not use metal spudger instead of plastic one, metal releasing the adhesive can cause fire.
You should wedge the spudger inwards hardly, being careful to not damage the battery cells
Lift the battery as a whold up out of the upper case becase o