Update the PRL (Preferred Roaming List) on your device for the moto e4
Steps to update the PRL on your Motorola E4
Keeping your Preferred Roaming List (PRL) up-to-date can improve your network coverage.
1. From the home screen, swipe up to view app drawer.
2. Scroll to and tap Settings.
3. Scroll to and tap System update.
4. Tap Update PRL and wait until it completes.
5. Tap OK.