A1584 is the iPad Pro 12.9-inch (1st generation)
Apple lists it as the Wi-Fi model. This is the version sold in Australia.
For your iPad Pro 12.9-inch (1st generation)
Not sure what’s wrong with it? Diagnostics at Riverwood Plaza are free.
Software updates
Stopped at iPadOS 16
No. The iPad Pro 12.9-inch (1st generation)’s last major update is iPadOS 16. Apple may still send security fixes for iPadOS 16, but it won’t get iPadOS 27 and newer apps will gradually stop supporting it.
Other iPad Pro 12.9-inch (1st generation) model numbers
Check it yourself
Where to find the model number.
Settings → General → About, then tap the Model Number line once to switch from the part number to the A number. On most iPads it’s also printed on the back. Got a different number? Look it up here.
Cracked iPad Pro 12.9-inch (1st generation)? Bring it in.
iPad screens, batteries and charging ports at Riverwood Plaza. Free diagnostic, no obligation.