Introduction

Use this guide to replace the old battery in your Sony Xperia Z3.

Heat the back cover of your Xperia Z3 to loosen the adhesive underneath. Lift up the back cover with a suction handle and put an opening pick in the gap. Move the pick carefully around the edges to loosen the adhesive on every side of the phone.
  • Heat the back cover of your Xperia Z3 to loosen the adhesive underneath.

  • Lift up the back cover with a suction handle and put an opening pick in the gap.

  • Move the pick carefully around the edges to loosen the adhesive on every side of the phone.

  • Don't put the pick in too deep under the back cover to not damage any parts inside the phone.

How hot (how many C) should the iOpener be? I think it would be safer / more accurate to heat the iOpener in an oven with accurate temperature control.

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After the adhesive around the egdes is loosened, pull up the back cover with your suction handle. Use a tweezer to pull out two black straps that are attached to two pieces of adhesive right on the battery.
  • After the adhesive around the egdes is loosened, pull up the back cover with your suction handle.

  • Use a tweezer to pull out two black straps that are attached to two pieces of adhesive right on the battery.

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Gently pull out both of the black straps with the adhesive tabs. Never pull out the straps upwards but always sideways. It can easily happen that you rupture the adhesive tabs right in between. In this case use a plastic card to pry off the back cover carefully, use heat if necessary !
  • Gently pull out both of the black straps with the adhesive tabs.

  • Never pull out the straps upwards but always sideways. It can easily happen that you rupture the adhesive tabs right in between. In this case use a plastic card to pry off the back cover carefully, use heat if necessary !

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After pulling out the adhesive tabs, you can lift the back cover  and remove it. After pulling out the adhesive tabs, you can lift the back cover  and remove it.
  • After pulling out the adhesive tabs, you can lift the back cover and remove it.

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Unplug the battery flex connector. Use a tweezer to gently pull off the adhesive strip on the bottom part of the battery.
  • Unplug the battery flex connector.

  • Use a tweezer to gently pull off the adhesive strip on the bottom part of the battery.

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Use a spudger on the left side of the frame to lever out the battery. Be careful with the spudger - there are cables beneath the battery!
  • Use a spudger on the left side of the frame to lever out the battery.

    • Be careful with the spudger - there are cables beneath the battery!

  • Remove the battery.

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Conclusion

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

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Dominik Schnabelrauch

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