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S21 Ultra stuck searching for signal, can't connect to mobile data

(Topic created on: 15-02-2024 03:45 AM)
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Kelsey Thurman
Journeyman
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(searching) and signal bar is crossed out(searching) and signal bar is crossed out

Ever since my phone restarted it has been stuck searching for signal when on mobile data. I am able to connect to WiFi and use bluetooth but I get nothing related to mobile data. I have tried all the common fixes for this with no luck. I have pretty much narrowed it down to a hardware problem. My question is: what components could possibly cause this. I am aware that there are a few different antennas inside the S21 Ultra but I have not been able to find much detail regarding the function of each. Could a bad 5G antenna be the cause of this or would the symptoms be different if it was? Again, I don't have any mobile data, even when turning off 5G in the settings. If anybody has experience working on the S21 Ultra or know what may be causing this issue your help would be greatly appreciated. Thanks!

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21 REPLIES 21
poppanitrous
Journeyman
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Yes September 25th 2024 update bricked my s21 phone and I'm also metro pcs and the store couldn't do shite

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umbnich
Explorer
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Unplug the antenna and re-plug it

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