Sony Xperia Z2 - Replacing the battery

The battery life is low. Your Xperia keeps crashing or won’t charge.

  • Xperia Z2
  • 5 Steps
  • Easy
  • 15 min.
Go to the guide


In this guide, we show you how to replace your Xperia Z2’s defective battery. This repair can help if your Sony Xperia Z2 crashes during heavy use because the voltage temporarily drops, you can no longer charge it or turn it on, or the battery life is very low.

Required tools

  • 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 €14.99 on Amazon
  • 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
  • Steel Laboratory Spatula

    Steel Laboratory Spatula

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

    €9.00 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 Xperia Z2 

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.

5 steps
  1. Removing the back cover

    Xperia Z2 - Removing the back cover 01
    Xperia Z2 - Removing the back cover 02
    1. The back of the Sony Xperia Z2’s enclosure is glued firmly in place. To detach it, you have to constantly heat it with a heat gun so the glue will soften. Then you have to insert a plastic pick into the gap between the frame and the glass to detach the adhesive.
    2. The gap between the aluminum frame and the glass is very small. We recommend that you use a very flat, sturdy object to get between them.
    3. Carefully lift the back cover while using a suction cup.
    4. As soon as a little gap opens up, use the plastic pick to avoid damaging the aluminum.
  2. Inserting the pick

    Xperia Z2 - Inserting the pick 01
    Xperia Z2 - Inserting the pick 02
    Xperia Z2 - Inserting the pick 03
    1. You should only insert the pick a few millimeters between the back cover and the frame to prevent damage inside the enclosure.
      The back cover is painted on the inside. Remove any adhesive residue carefully to avoid scratches or cracks.
    2. The back cover is glued to the entire outer edge of the Sony Xperia Z2. Move the pick once around the entire phone.
    3. Once you’ve detached all the glue, you can carefully lift the back cover.
  3. Removing the battery

    Xperia Z2 - Removing the battery 01
    Xperia Z2 - Removing the battery 02
    Xperia Z2 - Removing the battery 03
    Xperia Z2 - Removing the battery 04
    Xperia Z2 - Removing the battery 05
    1. First, remove the clear strip of plastic over the battery connection cable.
    2. Insert the flat end of the spudger very slightly below the contact and lift it up. Make sure you don’t break off the resistors that are soldered onto the logic board.
    3. Detach the cable set from the silver plate. It’s lightly glued in place.
    4. Remove the two Phillips screws.
      2 x 3.3 mm Phillips screws
    5. Then remove the battery.
  4. Installing the battery

    Xperia Z2 - Installing the battery 01
    Xperia Z2 - Installing the battery 02
    Xperia Z2 - Installing the battery 03
    Xperia Z2 - Installing the battery 04
    1. Put in the battery and screw it in place.
    2. 2 x 3.3 mm Phillips screws
    3. Reconnect the connector and press the cable set onto the silver cover.
    4. Stick the clear strip of plastic on the battery connection cable.
  5. Attaching the back cover

    Xperia Z2 - Attaching the back cover 01
    1. As a last step, you have to attach the back cover again.
    2. The old glue is usually still sticky enough.
    3. Put the back cover back on, heat it slightly and then use a little force to press it onto the smartphone for a while.
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