Introduction
Have a look at the inside of Sony Xperia Z3 Dual and let you know where is component when need repair.
Witrigs is specialized in cellphone accessories and kinds of replacement guide.
What you need
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Remove two SIM card trays.
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Heat the back cover to soften the adhesive sticker.
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Place the suction cup and to open a gap from top side.
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Insert the guitar pick into the opening gap.
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Slide the guitar pick to cut the adhesive sticker. Attention: when deal with the left side, the guitar pick would better go as the direction of the mark.
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Remove that blocker beside the earpiece speaker at first.
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And then you can pry up the earpiece speaker and remove it.
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Pry to turn the flex cover on the earphone jack. But it's a part of the earphone jack assembly.
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Cut the adhesive sticker between the earphone jack and midframe and remove the assembly.
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Remove loudspeaker assembly securing bracket. And there is no any adhesive.
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Pry up and remove the loudspeaker assembly. No adhesive, too.
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