SM-N980F is the Galaxy Note 20
The letter after the digits is the region: SM-N980F is the international version sold in Australia, and /DS means dual SIM.
For your Galaxy Note 20
Not sure what’s wrong with it? Diagnostics at Riverwood Plaza are free.
Free tools for your Galaxy Note 20Check it yourself
Where to find the model number.
Settings → About phone → Model number. Got a different number? Look it up here.
Cracked Galaxy Note 20? We fix it while you wait.
Screens, batteries and charging ports at Riverwood Plaza. Free diagnostic, no obligation.