Introduction

Use this guide to replace the Micro-USB port daughterboard in your Galaxy Note 4.

Use a fingernail or vinyl spudger to easily remove the back cover of the device. Remove the S-Pen, battery, SIM card and MicroSD card (if present). Use a fingernail or vinyl spudger to easily remove the back cover of the device. Remove the S-Pen, battery, SIM card and MicroSD card (if present). Use a fingernail or vinyl spudger to easily remove the back cover of the device. Remove the S-Pen, battery, SIM card and MicroSD card (if present).
  • Use a fingernail or vinyl spudger to easily remove the back cover of the device. Remove the S-Pen, battery, SIM card and MicroSD card (if present).

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Remove the sixteen 4.0 mm Phillips #00 screws securing the midframe to the display assembly. Remove the sixteen 4.0 mm Phillips #00 screws securing the midframe to the display assembly. Remove the sixteen 4.0 mm Phillips #00 screws securing the midframe to the display assembly.
  • Remove the sixteen 4.0 mm Phillips #00 screws securing the midframe to the display assembly.

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Heat with a low degree and cut the sticker along the side of touch panel. Heat with a low degree and cut the sticker along the side of touch panel.
  • Heat with a low degree and cut the sticker along the side of touch panel.

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Deck the Halls
With tools and Fix Kits
Free the clasps along the battery slot. And the push the front assembly out from middle housing with effort. We can see the USB board but we can't tear it down directly. Because 1. The USB board flex connector is connecting on the back of the motherboard. 2. If want to remove motherboard, the LCD screen need to be removed at first. 3. The USB board assembly comes with two touch keys together but they are placed under the touch panel. So we have to remove the motherboard and LCD screen at first next.
  • Free the clasps along the battery slot. And the push the front assembly out from middle housing with effort.

  • We can see the USB board but we can't tear it down directly. Because 1. The USB board flex connector is connecting on the back of the motherboard. 2. If want to remove motherboard, the LCD screen need to be removed at first. 3. The USB board assembly comes with two touch keys together but they are placed under the touch panel.

  • So we have to remove the motherboard and LCD screen at first next.

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Cut the adhesive under the screen, release the connectors and remove the LCD screen. You can see more details when remove the LCD screen at Samsung Galaxy Note 4 LCD screen replacement guide. Cut the adhesive under the screen, release the connectors and remove the LCD screen. You can see more details when remove the LCD screen at Samsung Galaxy Note 4 LCD screen replacement guide. Cut the adhesive under the screen, release the connectors and remove the LCD screen. You can see more details when remove the LCD screen at Samsung Galaxy Note 4 LCD screen replacement guide.

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Remove two pcs of signal flex cable and two screws which securing USB board and motherboard. Remove two pcs of signal flex cable and two screws which securing USB board and motherboard.
  • Remove two pcs of signal flex cable and two screws which securing USB board and motherboard.

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Release all the connectors connecting with motherboard. Release all the connectors connecting with motherboard.
  • Release all the connectors connecting with motherboard.

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Pry up the motherboard and release USB board connector from back. Pry up the motherboard and release USB board connector from back.
  • Pry up the motherboard and release USB board connector from back.

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Loosen the touch keys from adhesive at first. And then pry up and remove the USB board finally. It's complicated to do Samsung Galaxy Note 4 USB board assembly replacement. We have to replace the LCD screen and motherboard at first, please be careful.
  • Loosen the touch keys from adhesive at first. And then pry up and remove the USB board finally.

  • It's complicated to do Samsung Galaxy Note 4 USB board assembly replacement. We have to replace the LCD screen and motherboard at first, please be careful.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

34 other people completed this guide.

Sophia

Member since: 03/25/2014

36,422 Reputation

101 Guides authored

5 Comments

why do you need to take the full LCD off risking it braking. You could just heat the bottom and separate the touch buttons and home button.

Subzero - Reply

Does the daughter board handle the touch fuction of the key or the light only?

George - Reply

charging port from 910C will be suitable to 910F model? Pls answer

Artsiom Tratsiak - Reply

After replacing USB ass'y, my AT&T phone does not recognize the Sim being installed.

Any suggestions?

Dan

Daniel Cameron - Reply

I advice anyone going to attempt this to not take the full LCD off or you will be paying out another £140 for a new screen.

Also save your self time don't take the motherboard out.

ICanFixIt - Reply

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