Weak Wifi & Bluetooth signal

I noticed the phone I bought that it has a weak wifi and bluetooth signal after the deal. I tried opening and reconnecting all the wifi antennas and noticed that there is a scratch on the Wifi/bluetooth antenna (copper like color showing). Would this be the cause of my weak signal?

Update (05/23/2018)

Here's the image of the scratch I am talking about. Right side of the copper ring for the antenna.

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IMPORTANT - The wifi and bluetooth antennas are in the same piece, the wifi antenna on the phone is the the most likely one to be broken because that would also directly result in the bluetooth not working along side it. You should be able to buy a replacement part for that really easily and cheaply - its probably only about $15. I have seen cases where these WiFi antenna have broken before which also slowed bluetooth connection.

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uploaded a pic of the scratch that I was saying. Can you look at it ? I guess that's really the cause behind my weak signal. I'm still waiting for the antenna I ordered from China.

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Yeah that scratch would definitely cause it, I had initially thought the copper part wouldn’t have affected it that much but after further research I have found it would cause that effect. Replacing it is definitely the way to go.

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Thank you ! I'll just wait for the antenna to arrive. Costs me 500 ph peso (9$) plus free shipping.

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If the copper part was damage/scratched then it could be. As far as I know the copper areas are very sensitive and require special care.

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Wait I'll upload a picture of what it looks like.

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Im not sure its that, the copper part wouldn't have that direct of an effect on the wifi and bluetooth. It is 100% the wifi antenna that is having the issue (In case you didn't know the wifi and bluetooth capabilities are in the same part) Read my revised post below for more information.

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I would replace it.. As Tim said it's a cheap replacement.

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I have the same problem I’ve looked at many videos on YouTube befor I opened up my phone again but there is different parts that deal with Bluetooth and WiFi and Idk which part I need to order.

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