Hi, i have an s24 ultra from Verizon but now unlocked. I had an issue with the charging port and replaced the charging port board but now my mobile service drops randomly. It'll get signal for about a minute then say no Sim available. Im using an esim and replaced the port with a US variant.
I did it myself, I bought two boards one on Amazon and another on ebay. Both have the same issue but whenever I reinstall the original board it works fine
It sounds like you damaged one of the antenna cables which is causing the issue of no signal. You would need to take it to a repair center to have it checked out.
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Samsung offers a variety of repair locations, including walk-in Samsung service centers. Select the product that needs service to find a location near you.
