Before using the checker or heading in-store, take these steps to ensure a smooth transition:
: It confirms if you can upgrade immediately or if there are remaining installments on your current device.
The tool functions by interfacing directly with your carrier's database to verify your current contract status and upgrade windows.
I eligible for a upgrade, but don't know how this – Q&A - Best Buy
: For Apple users, the specialized Upgrade+ program offers low monthly payments and the option to trade in for a newer model after 36 months.