LG G4 model help

Hi all.My LG G4 got the bootloop problem and the cell phone company gave me a new phone. I would like some help if possible with the model number. My old G4 was the H815..as soon as got the new one i checked the IMEI code and the model is now the G673..i checked in the internet but i cannot find anything describing the G673 model..i would appreciate any help with descriving what model is the LG G4 G673..thanks in advance to anyone who helps

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