Sony Xperia Z Ultra Motherboard Replacement Repair Guide

Difficulty

Difficult

Steps

Time Required

                          35 - 50 minutes

Sections

Battery
11 steps
Motherboard
15 steps

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Introduction

What you need

Step 1

              Battery

Use the small suction cup to lift the back panel:
Press the small suction cup on to the middle of the back panel.

Use the small suction cup to lift the back panel:

Press the small suction cup on to the middle of the back panel.

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Step 2

While holding the Sony Xperia Z ultra down with your left hand, slightly pull the small suction cup upwards to create a small opening between the back panel and the front panel.
While continuing to pull the small suction cup upwards, insert the spudger in the small opening.
Pry the front panel downwards with the spudger while continuing to pull the small suction cup upwards.

While holding the Sony Xperia Z ultra down with your left hand, slightly pull the small suction cup upwards to create a small opening between the back panel and the front panel.

While continuing to pull the small suction cup upwards, insert the spudger in the small opening.

Pry the front panel downwards with the spudger while continuing to pull the small suction cup upwards.

Step 3

Remove the back panel by pulling the small suction cup upwards.

Remove the back panel by pulling the small suction cup upwards.

Step 4

Remove the following six screws with a Phillips #000 screwdriver:
five silver 2.1 mm screws
one gold 3.1 mm screw

Remove the following six screws with a Phillips #000 screwdriver:

five silver 2.1 mm screws

one gold 3.1 mm screw

Step 5

Pry the plastic motherboard shield open by placing the spudger under the shield and running it along the edges.

Pry the plastic motherboard shield open by placing the spudger under the shield and running it along the edges.

Step 6

Use care to remove the motherboard shield, as it may break. The motherboard shield is made of a very thin plastic.
Remove the motherboard shield by lifting the lower end upwards first.

Use care to remove the motherboard shield, as it may break. The motherboard shield is made of a very thin plastic.

Remove the motherboard shield by lifting the lower end upwards first.

Step 7

Detach the battery connection cable by prying it upward with the spudger.

Detach the battery connection cable by prying it upward with the spudger.

Step 8

Pry the upper end of the antenna upwards with the spudger.

Pry the upper end of the antenna upwards with the spudger.

Step 9

Detach the antenna by pulling the upper end upwards and outwards.

Detach the antenna by pulling the upper end upwards and outwards.

Step 10

Insert the spudger underneath the battery and run it back and forth to remove any adhesive.

Insert the spudger underneath the battery and run it back and forth to remove any adhesive.

Step 11

Remove the battery from the phone.

Remove the battery from the phone.

Step 12

              Motherboard

Pry the antenna assembly upwards with the spudger.

Pry the antenna assembly upwards with the spudger.

Step 13

You should hear a slight “click” when the antenna assembly has been completely loosened.
Remove the antenna assembly by pulling it upwards from the right end.

You should hear a slight “click” when the antenna assembly has been completely loosened.

Remove the antenna assembly by pulling it upwards from the right end.

Step 14

Remove the mic cover by placing the spudger underneath the cover and prying it upward.

Remove the mic cover by placing the spudger underneath the cover and prying it upward.

Step 15

The metal shield is very thin, so use care to remove the metal shield as it can easily be bent.
Remove the metal shield cover by prying its right end upwards with the flat part of the spudger.

The metal shield is very thin, so use care to remove the metal shield as it can easily be bent.

Remove the metal shield cover by prying its right end upwards with the flat part of the spudger.

Step 16

Remove the mic connection from the motherboard ribbon by prying it upwards with the spudger.
Once released, the orange ribbon will resemble a flap.

Remove the mic connection from the motherboard ribbon by prying it upwards with the spudger.

Once released, the orange ribbon will resemble a flap.

Step 17

Use care to remove the black plastic spacer, as it may bend if excessive force is used. The black plastic spacer is very thin and extremely fragile.
Gently pry the black plastic spacer upwards with the spudger.
Remove the black plastic spacer from the phone by gently pulling it upwards.

Use care to remove the black plastic spacer, as it may bend if excessive force is used. The black plastic spacer is very thin and extremely fragile.

Gently pry the black plastic spacer upwards with the spudger.

Remove the black plastic spacer from the phone by gently pulling it upwards.

Step 18

Release the LCD digitizer connection by prying it upwards with the spudger.
The LCD digitizer is distinguished by a longer connection strip.

Release the LCD digitizer connection by prying it upwards with the spudger.

The LCD digitizer is distinguished by a longer connection strip.

Step 19

Use care to detach the vibration motor connection, as it may break if excessive pressure is applied. The vibration motor connection is tiny and fragile.
Use the flat part of a spudger to detach the vibration motor connection. It is a tiny white box with red and black wires leading to the motor.
Once the connection has been removed, slide the spudger underneath the vibration motor to release it from the adhesive.

Use care to detach the vibration motor connection, as it may break if excessive pressure is applied. The vibration motor connection is tiny and fragile.

Use the flat part of a spudger to detach the vibration motor connection. It is a tiny white box with red and black wires leading to the motor.

Once the connection has been removed, slide the spudger underneath the vibration motor to release it from the adhesive.

Step 20

Remove the loudspeaker connection by prying it upwards with the spudger.

Remove the loudspeaker connection by prying it upwards with the spudger.

Step 21

Remove the orange ribbon connection by prying it upwards with the spudger.

Remove the orange ribbon connection by prying it upwards with the spudger.

Step 22

Pry the small black metal bracket off with the spudger.
Gently remove the ribbons that are attached to the side of the phone to avoid cracking them.
Remove the small black metal bracket by lifting it upwards and outwards.

Pry the small black metal bracket off with the spudger.

Gently remove the ribbons that are attached to the side of the phone to avoid cracking them.

Remove the small black metal bracket by lifting it upwards and outwards.

Step 23

Detach the orange ribbon by wedging the spudger between the phone’s casing and the ribbon. This will help prevent damage to the strip.

Detach the orange ribbon by wedging the spudger between the phone’s casing and the ribbon. This will help prevent damage to the strip.

Step 24

Detach smaller orange ribbon by wedging the spudger between the phone’s casing and the ribbon. This will help prevent damage to the strip.

Detach smaller orange ribbon by wedging the spudger between the phone’s casing and the ribbon. This will help prevent damage to the strip.

Step 25

All parts connected to the motherboard with an orange ribbon are fragile and should be treated with extreme care.
Pry up the connection strip at the end of the motherboard using the flat part of the spudger to free the motherboard.
The connection strip has adhesive underneath.

All parts connected to the motherboard with an orange ribbon are fragile and should be treated with extreme care.

Pry up the connection strip at the end of the motherboard using the flat part of the spudger to free the motherboard.

The connection strip has adhesive underneath.

Step 26

Manually remove the copper tape anchoring the motherboard’s black ribbon.
When removing the motherboard in its entirety, make sure all securing points have been released.

Manually remove the copper tape anchoring the motherboard’s black ribbon.

When removing the motherboard in its entirety, make sure all securing points have been released.

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

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                                                                                      17 other people completed this guide.

Author

                                      with 4 other contributors

                    Omar Herrera

Member since: 10/07/2015

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Team

                       Cal Poly, Team 4-6, Maness Fall 2015                        

                                                  Member of Cal Poly, Team 4-6, Maness Fall 2015 



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                                            10 Guides authored

Edward - Jul 27, 2016

Most grateful very helpful and easy to follow thank you very much

jawadsupercool - Sep 12, 2016

please help me how to solder the flex cable to the motherboard

neko - Oct 12, 2016

very helpful. thanks.

can anyone suggest me where to buy the motherboard of sony z ultra?

smaran727 - Nov 28, 2016

Can anyone tell me how to replace flex connected to motherboard. Sony z ultra 4g

anak zalal - Mar 11, 2017

how much this board..???

Introduction#

What you need#

Team#

Introduction

What you need

Team