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Replace a torn, damaged or faulty fingerprint reader in your Galaxy S5 phone.
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Use a plastic opening tool to pry up the plastic midframe connector panel.
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Remove the connector panel with a pair of tweezers.
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Use the sharp tip of a spudger to pry the home button cable connector straight up off its socket.
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Place a heated iOpener on the left side of the phone for at least 90 seconds.
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Reheat the iOpener and place it on the right half of the phone.
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Insert the edge of an opening pick underneath the bottom right side of the front glass.
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Slide the opening pick up along the right side of the display.
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Carefully slide the pick around the corner, stopping before the speaker grille at the top of the phone.
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Slide the opening pick across the top of the phone, being very careful not to insert the pick too deeply.
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Carefully slide the pick around the upper left corner.
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Slide the opening pick down along the left half of the phone stopping at the lower left corner.
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Slide the opening pick all the way to the bottom left corner of the phone, making sure it is securely placed.
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Place a reheated iOpener over the bottom portion of the display assembly.
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Slide the very end of the opening pick across the bottom edge of the display to separate the last of the remaining adhesive.
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Twist the opening pick to detach the glass from the phone.
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Insert an opening pick under the soft button icons on the display and pry the button cables down off the inside of the front panel.
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Slightly lift, but do not remove, the home button end of display assembly.
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Use the sharp tip of a spudger to lift the front panel assembly cable connector straight up off its socket on the motherboard.
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Safely remove the front panel assembly from phone.
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For this guide I am demonstrating on a Samsung Galaxy S5 which had the fingerprint reader cable for the home button torn.
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The home button 'press' is still functional with the underlying button (see second photo), but this guide restores your fingerprint scanner.
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Make sure there isn't anything still connected in this socket.
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Scrape the remaining adhesive from the edges of the midframe using a plastic pry tool.
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My parts supplier sent me an original Samsung (used) home button, however purchasing a new one I recommend the following links:
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Attach the home button to the screen assembly. In this guide I am also installing a new screen assembly.
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Prepare your screen assembly by removing adhesive film. If you're not replacing the screen then you can skip this step.
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Connect the display cable.
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Carefully line up the home button cable so that it comes through to the other side.
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Plug the home button cable into the socket.
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Stick the screen assembly back down to the rest of the phone.
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Reinstall the battery.
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Remember to place the plastic panel back on the phone.
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Press the back cover back onto the phone.
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Power on the device and test the new fingerprint scanner.
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If you have followed this guide correctly you should now have a functional fingerprint reader on your Samsung Galaxy S5.
If you have followed this guide correctly you should now have a functional fingerprint reader on your Samsung Galaxy S5.
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Good guide, but how to apply new adhesive for the lcd display on the midframe ?
It should already be attached to the LCD, if not then you can purchase the adhesive and attach it to the LCD yourself
I would like to know whether there is a pin-compatible home button to replace the original Galaxy S5 home button to _physically_ get rid of the fingerprint reader unit and solely keep it as a simple and dumb home button.
Thanks in advance.
It should be noted that unlike replacing an iPhone Home Button, you can reprogram a replacement Galaxy Fingerprint scanner.
