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Repair and disassembly information for Samsung's flagship S20 Ultra Android smartphone, released in March of 2020.

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Which Component that caused my Galaxy S20 Ultra shows No Service?

I have Unlocked Samsung Galaxy S20 Ultra and the network was working perfectly fine, and then after that, my Galaxy S20 Ultra shows No Service and it can only be connected to wifi.

Can you tell me which component on the motherboard that causing my Galaxy S20 Ultra shows No Service?

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If service was worked before, looks like there's a software trouble rather than hardware. Unlocking was not properly done so phone doesn't see the cell towers.

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