No network signal on phone

Hi. My OnePlus 10t doesn't received calls anymore. I tried cleaning the sim card and turning on and off the phone, but nothing worked so far. Any suggestions please? Thanks.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0