From the My Promotions page gives:
From the My Promotions page, you can:
To upgrade to SonicWall product
Click the Edit icon to the Trade-In Unit in the table.
Select the SonicWall Replacement.
Select a Trade-In Unit from the list to qualify the Upgrade Unit.
Services from the Trade-In Unit will be transferred to the Upgrade Unit.
To get a competitive replacement
Click the Edit icon to the Trade-In Unit in the table.
Select the Competitive Replacement.
Enter the replacement device you are looking for and the competitor device details.
Click Confirm.
After validating the entered competitor details, device will be assigned.