Iphone X Sprint Best Buy $450 Device Pay – No Bill Credits; new line required

Iphone X Sprint Best Buy $  450 Device Pay - No Bill Credits; new line required

Buy it on device pay. Pay it off immediately. Keep active on Sprint for 50 days. Unlock eligible after that. I do not have an eligible Sprint account to go all the way through the process, but nowhere on the sale page does it mention bill credits.

https://www.bestbuy.com/site/appl…Id=6009787