Samsung J-Series Phones

Samsung J737 2018 Refine Star
Model number on the back cover or the settings:
- SM-J737

Samsung J727 Prime 2017
Model number are under the battery and also in the settings under about phone:
- SM-J727A AT&T
- SM-j727T T-Mobile
- SM-J727V Verizon
- SM-J727P Sprint