No sim detection after baseband reflow

Hi, previously this iphone recognized my sim card but didnt have any signal, i typed the code *#06# and didnt give back the imei number so i tried to reflow the baseband ic and worked, imei shows up but now it doesnt even recognize my simcard, i didnt tuched anything other than baseband, what could gone wrong? maybe the heat damaged the simray and i should replace it, or maybe i have to reball U_MDM_E, dont know…

Thanks in advance

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