The audio port or volume control isn’t working.
In this guide, we show you how to replace your iPhone 4’s defective audio port/volume control cable. You need this repair if the headphone output has a loose connection, or remote control of the headset isn’t working. You also need it if the mute button or the volume up/down buttons aren’t working.
Required tools
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Heat gun
Heat gun
You can use a heat gun to heat parts that are glued on so they’re easier to remove. In most cases, you can also use a hairdryer.
from €15.99 on Amazon -
For storing screws
For storing screws
We recommend storing your screws so you don’t mix up the various screws and small parts.
from €10.99 on Amazon -
Menda ESD Spudger
Menda ESD Spudger
You need a flat plastic prying tool to disconnect the various plugs and connectors.
from €26.38 on Amazon -
Steel Laboratory Spatula
Steel Laboratory Spatula
You need a flat and sturdy prying tool to disconnect glued parts.
on Amazon -
Pentalobe PL1 screwdriver
Pentalobe PL1 screwdriver
You need the right screwdriver for removing pentalobe PL1 screws.
on Amazon -
Phillips PH00 screwdriver
Phillips PH00 screwdriver
You need the right screwdriver for removing PH00 screws.
from €10.84 on Amazon
Required replacement part
- iPhone 4 Audio Jack / Volume Cable
Getting started with the repair of your iPhone 4
If you get stuck or have questions, you can post a comment. We’d be happy to help.
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Removing the enclosure screws
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Removing the back cover
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Disconnecting the battery connector
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Removing the battery
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Plastic tab
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Disconnecting the dock connector cable
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Removing the Wi-Fi cover
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Disconnecting the connectors
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Removing the rear camera
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Removing the water indicator
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Removing the SIM card tray
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Removing the logic board
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Removing the vibration motor
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Removing the screws
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Removing the cable set
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Preparing the new cable set
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Installing the cable set
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Installing the vibration motor
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Installing the logic board
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Attaching the water indicator
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Connecting the connections
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Installing the Wi-Fi cover
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Attaching the dock connector cable
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Aligning the plastic tab
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Installing the battery
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Attaching the back cover
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Fastening the enclosure screws
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Setting the time
The right tools for your repair
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