How do I change my network from 2g to 3/4g

Networks

From 2g to 3g or 4g

crwdns2893858:0crwdne2893858:0 crwdns2893862:0crwdne2893862:0

crwdns2894050:0crwdne2894050:0

crwdns2889612:0crwdne2889612:0 1
crwdns2892346:0crwdne2892346:0