Sprint branded Samsung Galaxy A50, not sure how or if you can purchase out right inside of the store. I did not know walmart carried Sprint.
From previous ymmv network locked phone deals: Just choose the device only option on the WARP system and then print out a copy of the WARP order. The WARP system may ask you for zipcode, but no account info is needed. Next, scan the barcode from the WARP order printout on the cash register to pay. You cannot scan the phone's UPC barcode on the cash register as it will say cannot be sold. You have to scan the barcode from the WARP order printout.
According to multiple people this will not accept T-Mobile sim cards.
Looks like it uses the following LTE bands:
Main Display Size
Triple Rear Camera
Super AMOLED Display
On Screen Scanner