Unlocked iPhone won’t activate esim

Basically ive tried reset network setting and everything it won’t activate my network, it worked before. It stopped working randomly I’ve contacted my carrier and they tried everything and eventually asked me to delete esim and re do it so I did and it still does not work. Now I scan it and keeps telling me to try again, I also checked imei it says iPhone 54.0 for carrier what even is that….

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