This is the most recent modem.
Flashable zip via recovery
On page 54 of the same thread, there is another recent modem BOLT1. Download it as well. One of the two should work.
Please be so kind to report back - with a detailed description what you did - and use some punctuation✌
Hard to read.
P.S. what does your settimgs > about phone > status info tell you? IMEI available?

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