wifi problem after lcd and back cover replacement

hello, i'm Dan, i have a problem with my z3 compact's wifi. I replaced the lcd and the back cover, and the wifi don't work good... The signal at 2,4GHz is so bad and at 0 mb in download, with the 5GHz is a bit better but not enought. I don't know where is the wifi antenna, and if i could touched it or broked it when i moved the motherboard or others.

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Common issue when your motherboard has been broken, but don't worry it could be done, here is solution for you:

How to repair wi-fi wireless connection Sony Xperia Z3 Compact

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Check connetor on mainboard and plastic main frame. Wi-Fi antena is in a frame. Check screws and spring connector on mainboard (it goes to frame). Maybe you can broke it or distort it.

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Do you have any disassembly guide, you seems to be familiar with this model.


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dan will be eternally grateful.
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