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The Samsung Galaxy S4, model i9505, features a 13-megapixel rear camera, and a 5-inch 1080p display.

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Samsung Galaxy S4 WiFi broken

Hi,

I've been repairing an S4 recently, it was smashed and is now riddled with problems.

I've just bought a replacement sim card reader as the previous did not work.

the wifi/bluetooth do not work but I bought a replacement antenna, I am wondering if this is the cause?

also the external speaker does not work

does anybody know why the external speaker wouldn't work?

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Have you checked the spring contacts on the usb pcb that connect to the speaker, they may be squashed

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To resolve the matter permanently you need to make microsoldering work:

How to repair WI-FI wireless connection in Samsung Galaxy S4

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