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Repair guide : Logic Board iPhone 5S

Level : Medium Time : 60 min Author : Alexandre
1820 people have done this repair successfully ! Why not you?
This guide is for replacing the logic board on the iPhone 5S.
Symptoms : defective logic board
Some advice before you start
Repair - Repair guide: Logic Board iPhone 5S
Guide format : Pdf Integrate

Step 1

Before disassembling the logic board of your iPhone 5S, you have to securely turn it off.

Maintain the power button on the top for a few seconds. Then slide to the right to "power off" button in red.

Step 2

Use a pentalobe screw to remove the two pentalobe screws holding the front panel.

Those screws are circled in red on the picture.

Then insert a iSclack to pull the entire front panel as shown on pictures 2,3 and 4.

Step 3

Then press the iSlack to remove it .

Don't remove the screen just yet, it is still attached by a few cables, the home button/touch id cable being one of them.

Tip : If your screen is broken or cracked, we suggest that you put some tape to cover the screen in order to remove it more easily.

A metal bracket is on the home button cable.

Remove it with a pair of tweezers.

Step 4

Use the nylon spudger to disconnect the home button cable.

Step 5

Gently lift the display assembly to a 90° angle as shown on pictures 1 and 2.

Remove the four screws circled in red with a cruciform screwdriver.

Those screws secure the screen connector bracket.

Make sure to remember the spot of each screw. They have different characteristics. You have to put them back into their original spot.

Step 6

Use the pair of tweezers and remove the screen connector bracket.

Step 7

Use the spudger to disconnect :

- The front camera/microphone/earpiece speaker/light and promixity sensor cable

- The LCD screen cable.

Step 8

Still with a nylon spudger, disconnect the Touch screen cable.

Then grab the display assembly and remove it.

The complete display is now disassembled on the iPhone 5S.

Step 9

With a cruciform screwdriver, remove the two cruciform screw circled in red.

Those screws maintain the battery connector bracket and the dock connector.

Use a pair of tweezers to remove the bracket connector.

Step 10

Use a nylon spudger to disconnect the following cables :

  - Battery connection cable,

  - Back camera connection cable.

Step 11

Still using a nylon spudger, disconnect the dock connector.

Step 12

With the spudger, disconnect the power and volume buttons cable.

With a spudger, disconnect the GSM antenna.

Step 13

Use a SIM card tool eject and insert it in the SIM card hole. Push to eject.

The SIM card tray is on the right side of the iPhone 5S.

Step 14

Grab the SIM card tray and remove it.

Step 15

Peel off the black tape on the logic board's top .

Step 16

Remove the 7 screws holding the logic board of the iPhone 5S :

one 2.4mm screw, circled in red on the picture,

two 2.8mm cruciform screws, circled in orange on the picture,

four rivet type screws, circled in green on the picture.

To make it more easier, we advise that you use a flathead screwdriver to remove the 4 rivet type screws.

Step 17

Use a nylon spudger to gently lift the logic board.

Then flip the logic board toward the battery as shown on picture 4.

Do not remove it just yet, it is still connected to the iPhone 5S by the WiFi antenna

Step 18

Use the nylon spdudger to disconnect the WiFi antenna.

You can remove the logic board.

Step 19

The logic board of your iPhone 5S is now disassembled.

You can replace it with a new one.

To reassemble your iPhone 5S follow this guide in reverse order.


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