Dear community,I'm samsung galaxy s23 ultra user but android 14 ui6 not update so please tell me how to install it

Hello samsung,I'm samsung member till last 4 year and now I purchased samsung galaxy s23 ultra from Conakry(guinea). But the problem is in india is the 5g network not supported in this mobile system.How can Iactivate 5g net in this device?Pleas...