SM-S711B is the Galaxy S23 FE
The letter after the digits is the region: SM-S711B is the international version sold in Australia, and /DS means dual SIM.
For your Galaxy S23 FE
Not sure what’s wrong with it? Diagnostics at Riverwood Plaza are free.
Free tools for your Galaxy S23 FECheck it yourself
Where to find the model number.
Settings → About phone → Model number. Got a different number? Look it up here.
Cracked Galaxy S23 FE? We fix it while you wait.
Screens, batteries and charging ports at Riverwood Plaza. Free diagnostic, no obligation.