Upgrading a Sprint line at Best Buy typically follows the same rules as upgrading directly through the carrier, though some specific legacy account conditions apply.
: When viewing a phone on the Best Buy mobile page, select the option to "Upgrade" and follow the prompts to sign in to your carrier account. Key Upgrade Requirements
: Dial *639# from your Sprint device to receive a text message with your current upgrade status.
Before heading to a store, you can verify your current status through these methods:
Sprint account says I can upgrade but BestBuy says ineligible…
: Sign in to the Sprint eligibility checker with your account information.
