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iPhone 5S Logic Board Replacement

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Step 1 - SIM Card

  • There's a small hole in the SIM card tray. Push either a SIM card eject tool or a paperclip into it.

  • Press the tool in order to eject the tray. You may need to use some force to do this.

Step 2

  • Take the SIM card tray assembly out of the iPhone.

  • Make sure that the SIM card is in proper orientation (in relation to the tray) when you're placing the SIM card back.

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Step 3 - Logic Board
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  • Lift the button assembly cable from its socket on the logic board with a spudger.

  • Make sure that you lift the connector and not the socket itself. If you lift the socket, you risk breaking the connector completely.

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Step 4

  • Lift the Lightning connector cable from its socket on the logic board with a spudger.

  • Make sure that you fold the Lightning connector cable so that it's not in the way of the logic board.

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Step 5

  • Lift the antenna from its socket on the logic board with the tip of a spudger.

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Step 6

  • Disconnect the rear-facing camera cable from its socket on the logic board, using the flat end of a spudger.

Step 7

  • Remove the tape covering the camera flash bracket, if there's any.

Step 8

  • There are seven screws on the logic board. You need to remove them.

  • One 2.4 mm Phillips screw

  • Two 2.3 mm Phillips screws

  • Four 2.8 mm Phillips screws

  • Remove all of these with a small flathead screwdriver.

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Step 9

  • Lift the logic board up so that you can grab it with your fingers. Do this with a plastic opening tool.

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Step 10

  • Separate the logic board and the rear facing camera only slightly.

  • The logic board is connected by an antenna cable on the back, so don't remove it immediately.

  • Turn the logic board toward the battery (similar to turning a page in a book).

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Step 11

  • Disconnect the antenna cable on the back of the logic board with the flat end of a spudger.

  • Take the logic board off the iPhone.