Introduction

The Sony Xperia M4 Aqua has an internal battery, meaning replacement requires phone disassembly.

  1. Place the phone face-down, and use a heat gun or hair dryer to evenly heat the back surface until to soften the adhesive.
    • Place the phone face-down, and use a heat gun or hair dryer to evenly heat the back surface until to soften the adhesive.

  2. Attach a suction cup to the back of the M4 Aqua by carefully pushing down on it near the top of the phone.
    • Attach a suction cup to the back of the M4 Aqua by carefully pushing down on it near the top of the phone.

  3. While Pulling on the suction cup, slide a thin plastic spacer (guitar picks work well) between the back cover and the phone. Slide it around the edges to break the adhesive seal. Be careful, but don't be afraid to use some force. You should hear a sticky breaking sound. While Pulling on the suction cup, slide a thin plastic spacer (guitar picks work well) between the back cover and the phone. Slide it around the edges to break the adhesive seal. Be careful, but don't be afraid to use some force. You should hear a sticky breaking sound.
    • While Pulling on the suction cup, slide a thin plastic spacer (guitar picks work well) between the back cover and the phone. Slide it around the edges to break the adhesive seal. Be careful, but don't be afraid to use some force. You should hear a sticky breaking sound.

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  5. Remove the back cover by pulling it from the chassis. it is flexible and can be bent, be careful.
    • Remove the back cover by pulling it from the chassis. it is flexible and can be bent, be careful.

  6. Remove copper plated tape and any other securing adhesive with a nylon spudger. Remove  carefully, as it has the potential or tear if too much force is used.
    • Remove copper plated tape and any other securing adhesive with a nylon spudger. Remove carefully, as it has the potential or tear if too much force is used.

  7. Unhook the battery connector carefully. It is possible to damage the battery if too much force is used.
    • Unhook the battery connector carefully. It is possible to damage the battery if too much force is used.

  8. Pry the battery from the phone with the nylon spudger. There is a small amount of adhesive underneath the battery, so a bit of force is required. The battery is malleable, so it is possible to dent the battery if too much force is applied in one spot.
    • Pry the battery from the phone with the nylon spudger. There is a small amount of adhesive underneath the battery, so a bit of force is required. The battery is malleable, so it is possible to dent the battery if too much force is applied in one spot.

  9. Remove the battery once all of the adhesive is broken, and the connector is unplugged.
    • Remove the battery once all of the adhesive is broken, and the connector is unplugged.

Conclusion

To reassemble your device, follow these instructions in reverse order.

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John Whitt

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11 Comments

Hi... do you need to add some adhesive to reassemble it? Thanks.

Arief Yuha - Reply

U actually buy another back end cover that has the adhesive....

Chase Bryan -

I found that I could just push it back on with the original glue and it reattached ok.

Dave Humm -

Das ist kein Xperia Z3

Das ist eine Anleitung vom M4 Aqua

Faruk - Reply

Good video thanks.

I'm currently living in Thailand and they don't fix Sonys here in Krabi so I need to do it myself. Lazada has got the lcd and back cover for me, but they don't have a battery. I have a Sony Xperia aqua m4. Will the z3 battery fit...

Chase Bryan - Reply

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