SM-A135F is the Galaxy A13
The letter after the digits is the region: SM-A135F is the international version sold in Australia, and /DS means dual SIM.
For your Galaxy A13
Not sure what’s wrong with it? Diagnostics at Riverwood Plaza are free.
Free tools for your Galaxy A13Check it yourself
Where to find the model number.
Settings → About phone → Model number. Got a different number? Look it up here.
Cracked Galaxy A13? We fix it while you wait.
Screens, batteries and charging ports at Riverwood Plaza. Free diagnostic, no obligation.