Sony Xperia Z5 Compact - Replacing the main antenna

Your device has no signal.

  • Xperia Z5 Compact
  • 10 Steps
  • Easy
  • 15 min.
Go to the guide

Introduction

In this repair guide, we show you how to replace your Sony Xperia Z5 Compact’s defective main antenna on your own. You need this repair if your smartphone has a weak signal or no signal at all.

Required tools

  • Hartplastik-Plektren

    Hartplastik-Plektren

    You need a flat but stable tool such as a pick to pry out parts that are glued in place.

    €1.00 at the iDoc store
  • 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
  • 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
  • Steel Laboratory Spatula

    Steel Laboratory Spatula

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

    €9.00 at the iDoc store
  • Suction cup

    Suction cup

    A suction cup is perfect for lifting smooth surfaces such as displays or rear glass panels.

    €2.00 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

  • Sony Xperia Z5 Compact Main Antenna

    Sony Xperia Z5 Compact Main Antenna

    on Amazon
Show all replacement parts for the Xperia Z5 Compact 

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.

10 steps
  1. Removing the SIM and microSD cards

    Xperia Z5 Compact - Removing the SIM and microSD cards 01
    Xperia Z5 Compact - Removing the SIM and microSD cards 02
    1. Use your finger or the spudger to open the cover at the lower end of the smartphone. You can turn the cover 90° to access the card slot better.
    2. Remove the SIM and microSD cards. The SIM card is in a tray.
  2. Removing the back cover

    Xperia Z5 Compact - Removing the back cover 01
    Xperia Z5 Compact - Removing the back cover 02
    Xperia Z5 Compact - Removing the back cover 03
    Xperia Z5 Compact - Removing the back cover 04
    Xperia Z5 Compact - Removing the back cover 05
    Xperia Z5 Compact - Removing the back cover 06
    1. The back cover is glued to the chassis. Heat the back cover with a heat gun to soften the glue.
    2. Attach a suction cup to the lower end of the device and pull on it while pressing down the chassis with a plastic pick.
    3. As soon as a gap appears between the chassis and back cover, insert the pick into it.
      The back cover is painted on the inside. Remove any adhesive residue carefully to avoid scratches or cracks.
    4. Move the pick once around the entire device to completely detach the glue. If you have more than one pick, you can insert one at each corner.
    5. Take off the back cover.
  3. Removing the type plate

    Xperia Z5 Compact - Removing the type plate 01
    1. Remove the type plate. The type plate is installed in the SIM and microSD card slot.
  4. Removing the NFC antenna

    Xperia Z5 Compact - Removing the NFC antenna 01
    Xperia Z5 Compact - Removing the NFC antenna 02
    Xperia Z5 Compact - Removing the NFC antenna 03
    1. Disconnect the NFC antenna’s plug contact from the chassis.
    2. Disconnect the antenna from the battery. The antenna is glued to the battery. Carefully insert the steel laboratory spatula between the antenna and the battery. Heat the NFC antenna a little if the glue’s too strong.
    3. Remove the NFC antenna.
  5. Removing the main antenna

    Xperia Z5 Compact - Removing the main antenna 01
    Xperia Z5 Compact - Removing the main antenna 02
    1. Unscrew the two Phillips screws holding the main antenna in place.
      2 x 4.5 mm Phillips screws
    2. Remove the main antenna from the device.
  6. Installing the main antenna

    Xperia Z5 Compact - Installing the main antenna 01
    Xperia Z5 Compact - Installing the main antenna 02
    1. Position the main antenna in the enclosure.
    2. Attach the main antenna to the device with the two Phillips screws.
      2 x 4.5 mm Phillips screws
  7. Installing the NFC antenna

    Xperia Z5 Compact - Installing the NFC antenna 01
    Xperia Z5 Compact - Installing the NFC antenna 02
    1. Position the NFC antenna on the battery. Press the antenna onto the battery so the glue will stick again.
    2. Connect the NFC antenna’s plug contact to the chassis.
  8. Installing the type plate

    Xperia Z5 Compact - Installing the type plate 01
    1. Install the type plate. You have to attach the type plate in the SIM and microSD card slot.
  9. Attaching the back cover

    Xperia Z5 Compact - Attaching the back cover 01
    Xperia Z5 Compact - Attaching the back cover 02
    1. Position the back cover on the chassis. Press it on firmly along all the edges so the chassis and back cover are securely glued together.
    2. If necessary, heat the back of the device so it will stick better. It helps to clamp the device so there’s constant pressure on the back cover.
  10. Inserting the SIM and microSD cards

    Xperia Z5 Compact - Inserting the SIM and microSD cards 01
    Xperia Z5 Compact - Inserting the SIM and microSD cards 02
    1. If the cover is closed again, use your finger or the spudger to open it. You can turn the cover 90° to access the card slot better.
    2. Put the SIM and microSD cards back in. Put the SIM card in the tray.
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