Why can't I use my SIM card?

Hello!

I successfully managed to install Xiaomi.eu ROM, specifically this ROM on my Redmi Note 13 Pro 5G (Garnet):

I'm trying to insert my SIM card but nothing happens. It doesn't activates no matter what i do.

1. I've tried to reboot my phone many times.
2. Log out and log in on the Xiaomi account. Removed the device...

Read more