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After replacing the usb board, is not connecting to the network

(Topic created on: 23-10-2023 12:11 PM)
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ZPopovski
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Hi,

I had a problem with my Samsung Galaxy S20 FE 4G, usb board, the usb port because of some unknow reason was melted and charging wasnt working,  i replaced it with a new one. After the successful replacement, now the usb is working as before but i saw one symbol, empty circle with slash and the connection to the mobile network is not working. I tred everything, both antennas are connected on the board, every connector is connected on the board. I also saw that Air Mode button is colored with light blue color, but Air Mode enabled mode is in darker blue color, does someone have an idea how can i fix this problem, or what is the problem?

 20231021_172559.jpg

Thanks

Zharko Popovski

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5 REPLIES 5
-Robot-
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Did you replace it yourself or through Samsung?
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ZPopovski
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Hi Robot,

i replaced by myself because is not my first time to repair some mobilephone. The question was, what could be wrong becasue the usb board model is the same as the original one G780F.

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-Robot-
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I can't suggest anything as you did it yourself, maybe you broke something when doing so, maybe the board is faulty? it could literally be anything




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ZPopovski
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Whats the meaning of that symbol, circle with slash, and why the button for air mode is with light blue color which is not the same as if the air mode option is on, but is also not off ( disabled )?

Thanks

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-Robot-
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That looks liek a no network symbol and the one next on the right looks like power saving
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