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简介

Use this guide to replace the volume button assembly in the Dell Venue Pro.

The volume button is mounted internally and requires removing the back cover, battery, and motherboard to access it. This guide walks through the necessary steps to safely remove and replace the volume button assembly.

Before beginning, power off the phone and remove the back cover and battery.

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步骤 1 Back Cover

Dell Venue Pro Volume Button Replacement, Back Cover: 步骤 1 中的图像 1，1

Slide the back cover up.
Lift the back cover away from the device completely.

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步骤 2 Battery

Dell Venue Pro Volume Button Replacement, Battery: 步骤 2 中的图像 1，2

Dell Venue Pro Volume Button Replacement, Battery: 步骤 2 中的图像 2，2

Use your finger to lift the battery using the notch in the upper left corner of the compartment.

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步骤 3 Volume Button

Dell Venue Pro Volume Button Replacement, Volume Button: 步骤 3 中的图像 1，1

Remove the Back Cover
Slide and lift the back cover off the phone. (Use the existing Back Cover Removal guide as reference)

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步骤 4

Remove the Battery
Lift the battery out of its compartment and set it aside.

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步骤 5

Remove the Midframe Screws
Use a Phillips #00 screwdriver to remove the 4.57 mm screws securing the midframe to the phone.
Keep track of each screw and its original location to ensure correct reassembly.
Mixing screw lengths can damage internal components during reassembly.

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步骤 6

Remove the Midframe
Insert a plastic opening tool into the seam between the midframe and phone body.
Gently twist the tool to release the clips around the edges.
Once all clips have disengaged, pull the midframe upward to remove it completely.
If the midframe resists, continue sliding the tool along the seam until every clip releases.

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步骤 7

Expose the Motherboard
With the midframe removed, the motherboard should now be fully visible.
Identify the following components before continuing:
SIM card reader near the top of the device
Metal shielding covering the center of the motherboard
Micro-USB charging port at the bottom
Secondary daughterboard connection on the left side
Set the midframe aside.

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步骤 8

Disconnect Internal Cables
At this point, the motherboard should be fully visible, as shown in your reference photos. You should see:
Disconnect the following cables:
Display cable
Micro-USB charging port at the bottom
Any remaining flex cables attached to the motherboard
Lift connectors straight up—do not pull on the cables.

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步骤 9

Remove the Motherboard Screws
Use a Phillips #00 screwdriver to remove the 2.68 mm screws securing the motherboard to the frame.
Screws are located near:
The bottom right corner (charging port area)
The middle left side
The top of the motherboard
Set all screws aside.
Using longer screws in motherboard locations can cause permanent damage.

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步骤 10

Remove the Motherboard
Starting from the top edge, gently lift the motherboard up and away from the phone housing.
The micro-USB charging port may fit snugly in its opening. Lift carefully to avoid bending the board.
Once free, remove the motherboard from the device. Set the motherboard aside.
Do not flex or twist the motherboard during removal.