Introduction

This guide provides steps on how to replace the microphone for the BLU Studio 7.0 II.

Image 1/1: Insert a plastic opening tool into the seam and firmly pry the black back piece away from the silver front piece.
  • Locate the seam between the black and silver pieces of the phone.

  • Insert a plastic opening tool into the seam and firmly pry the black back piece away from the silver front piece.

  • To create the initial separation for the plastic opening tool, you may need to use either a spudger or metal spudger. If you use a metal spudger, be aware this can damage your phone if you aren't careful.

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Image 1/1:
  • Work your way around the edge of phone, firmly prying the pieces apart.

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Image 1/2: Image 2/2:
  • Once the back has been removed, you can snap the new one into place by pressing firmly around the edges with your fingers.

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Image 1/2: These screws may be covered by small, round black stickers. Remove the stickers to continue. Image 2/2: Remove the metal clip that connects the battery ribbon to the motherboard by lifting up.  Precision tweezers work best for this part.
  • Using the PH00 screw driver, remove the two 3mm screws.

  • These screws may be covered by small, round black stickers. Remove the stickers to continue.

  • Remove the metal clip that connects the battery ribbon to the motherboard by lifting up. Precision tweezers work best for this part.

  • Be sure to only grab the metal clip with the tweezers, not the connector underneath.

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Image 1/1:
  • Disconnect the battery connector using a plastic opening tool or the flat end of a spudger.

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Image 1/1:
  • Remove two 3mm screws from the bottom black panel.

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Image 1/2: Rest the plastic piece against the back of the phone. Image 2/2: The black plastic piece is connected to the phone by a circuit ribbon. Be careful not to pull too hard or you may break this ribbon.
  • Use the flat end of the black spudger to gently lift up the black plastic piece.

  • Rest the plastic piece against the back of the phone.

  • The black plastic piece is connected to the phone by a circuit ribbon. Be careful not to pull too hard or you may break this ribbon.

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Image 1/2: The micro-circuit board is connected to the silver adhesive strip. You'll have to gently peel this strip back to get the micro-circuit board to move far enough to get to the microphone. Image 2/2: The micro-circuit board is connected to the silver adhesive strip. You'll have to gently peel this strip back to get the micro-circuit board to move far enough to get to the microphone.
  • Use the precision tweezers to grip the micro-circuit board. Lift straight up.

  • The micro-circuit board is connected to the silver adhesive strip. You'll have to gently peel this strip back to get the micro-circuit board to move far enough to get to the microphone.

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Image 1/2: Image 2/2:
  • Use the precision tweezers to grip the silicone around microphone and pull it from the plastic housing.

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Image 1/1: [https://www.ifixit.com/Guide/How+To+Solder+and+Desolder+Connections/750|Desolder|new_window=true] the contacts for the red and black wires to disconnect the microphone.
  • The silicone around the microphone comes off easily; grip the red and black wires gently with either your fingers or a precision tweezer and use your other hand to pull off the black silicone piece.

  • Desolder the contacts for the red and black wires to disconnect the microphone.

  • For more information on soldering, view the Soldering Wiki page.

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Conclusion

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

Abby

Member since: 05/14/2016

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Metro State, Team 1-2, Carpenter SU 2016 Member of Metro State, Team 1-2, Carpenter SU 2016

MSU-CARPENTER-SU16S1G2

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