Apple iPhone 4 - Replacing the vibration motor

The vibration motor isn’t working.

  • iPhone 4
  • 8 Steps
  • Easy
  • 15 min.
Go to the guide

Introduction

In this guide, we show you how to replace a defective vibration motor. You need this repair if your phone doesn’t vibrate or only barely vibrates.

Required tools

  • For storing screws

    For storing screws

    We recommend storing your screws so you don’t mix up the various screws and small parts.

    €10.00 at the iDoc store
  • Menda ESD Spudger

    Menda ESD Spudger

    You need a flat plastic prying tool to disconnect the various plugs and connectors.

    €5.00 at the iDoc store
  • Tweezers

    Tweezers

    We recommend using tweezers to remove screws and various small parts from your device.

    €16.00 at the iDoc store
  • Steel Laboratory Spatula

    Steel Laboratory Spatula

    You need a flat and sturdy prying tool to disconnect glued parts.

    €9.00 at the iDoc store
  • Pentalobe PL1 screwdriver

    Pentalobe PL1 screwdriver

    You need the right screwdriver for removing pentalobe PL1 screws.

    €10.00 at the iDoc store
  • Phillips PH00 screwdriver

    Phillips PH00 screwdriver

    You need the right screwdriver for removing PH00 screws.

    €10.00 at the iDoc store

Required replacement part

Show all replacement parts for the iPhone 4 

Replacement parts and tools for this repair

Our tools plus the right spare part help you fix your device easily.

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Getting started

If you get stuck or have questions, you can post a comment for each step. We’d be happy to help.

8 steps
  1. Removing the enclosure screws

    iPhone 4 - Removing the enclosure screws 01
    1. Depending on when your iPhone was manufactured, you’ll need either a Phillips screwdriver or a pentalobe screwdriver to open your phone.
    2. Depending on when your iPhone was manufactured, you’ll need either a Phillips screwdriver or a pentalobe screwdriver to open your phone. They are located to the right and left of the dock connector. Put the screws in the same compartment of your organizer tray.
      2 x 3.6 mm pentalobe/Phillips screws
  2. Removing the back cover

    iPhone 4 - Removing the back cover 01
    iPhone 4 - Removing the back cover 02
    1. Use your thumbs or the palm of your hand to push the back cover of your iPhone about 4 mm away from the bottom of the phone where the dock connector is (see figure 1).
    2. Then you can lift the back cover at the end that’s sticking out past the phone (see figure 2).
  3. Disconnecting the battery connector

    iPhone 4 - Disconnecting the battery connector 01
    iPhone 4 - Disconnecting the battery connector 02
    1. If your iPhone’s still on, turn it off now by holding down the standby button for about five seconds and following the prompt on the display.
    2. Remove the screw on the battery connector using a Phillips screwdriver (see figure 1). Put the screw in a separate compartment of your organizer tray.
      1 x 2.6 mm Phillips screw
      The battery contact point on the logic board could come off. If the contact point breaks off but the soldering points are still intact, you can solder the contact point back on.
    3. Now carefully lift off the battery connector by inserting the pointed ESD spudger slightly below the silver cover plate (see figure 2). If you don’t have a spudger, you can also try using your fingernail.
    4. For the rest of the repair, you can also use the metal laboratory spatula instead of the spudger. This may make some steps easier for you. However, we explicitly recommend using the ESD spudger produced specifically for precision electronics.
  4. Replacing the vibration motor

    iPhone 4 - Replacing the vibration motor 01
    1. Now remove the vibration motor. Unscrew the two Phillips screws and remove the vibration motor. Put the screws in the same compartment of your organizer tray.
      1 x 6.0 mm Phillips screw
      1 x 1.3 mm Phillips screw
    2. Put the new vibration motor in its place and screw it in (see figure 1).
    3. Make sure the adhesive film on the audio port doesn’t touch the vibration motor’s head because, otherwise, it won’t be able to rotate freely (see figure 2).
  5. Installing the battery

    iPhone 4 - Installing the battery 01
    iPhone 4 - Installing the battery 02
    1. Now put the battery back in the iPhone.
    2. Then install the antenna cover (see figure 1).
    3. Now click the battery connector back into place and screw it in (see figure 2).
      1 x 2.6 mm Phillips screw
  6. Attaching the back cover

    iPhone 4 - Attaching the back cover 01
    1. Put the back cover back on and carefully push it the last few millimeters toward the dock connector.
  7. Fastening the enclosure screws

    iPhone 4 - Fastening the enclosure screws 01
    1. Now screw in the two screws at the bottom of the enclosure.
      2 x 3.6 mm pentalobe/Phillips screws
    2. Then all you have to do is push in the SIM card tray.
  8. Setting the time

    iPhone 4 - Setting the time 01

    When the battery is removed from the device, the iPhone loses the time and sets itself to 1:00 a.m. on 1/1/1970. You could have trouble connecting to the cellular network if the time isn’t set.

    After a repair, complete the following steps:

    1. Synchronize your iPhone with iTunes or connect to a WLAN network and wait until the time is set.
    2. Remove the SIM tray with the SIM card and reinsert it.
    3. Activate airplane mode on the device and then deactivate airplane mode.
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