If you cannot connect to the 5G network, please check the methods to connect below. 1. 5G data plan and SIM card from your carrier. 2. Enable 5G on your phone. 3. Make sure that you are in a 5G coverage area. 4. Network indicator icon on your screen. 5. Samsung Galaxy J3 Star 16GB J337T 5.0" HD Display Android 8.0 4G LTE T-Mobile Smartphone - Gold (Renewed) SAMSUNG Galaxy A03 Core (SM-A032/DS) Dual SIM 32GB/ 2GB RAM, GSM Unlocked International Version - No Warranty - Black 2016 : Memory Storage Capacity : 16 GB : Standing screen display size : 5 Inches it took a few weeks of T-Mobile Outages. Sprint Outages. Check Your Network Settings. Okay, with some prerequisite steps out of the way, let's dive into your J3's settings menu. We'll start by checking some of your network settings, just to make sure everything looks okay. We welcome Android phones manufactured for use in North America after 2017 that support 4G and VoLTE. Some features (like VoLTE and WiFi calling) vary by the phone manufacturer's implementation and may not perform the same on every cellular network. Samsung Galaxy J3 (SM-J320A) (2016 version) Samsung Galaxy J3 (SM-J327U) (2017 version Answer this question. Show more answers ( 1) Q: Will this phone work on Sprint. Asked 7 years ago by eg00. A: No, the phone only works on GSM networks and Sprint is CDMA. Answered 7 years ago by CommunityAnswer. Helpful ( 24) Unhelpful ( 7) I7Fl.

samsung j3 2016 4g not working