prerequisites: Ensure both your old Samsung phone and new Samsung phone are fully charged or connected to a charger. Ensure your old phone is updated to the latest version Step-by-Step Guide to Transfer Data Using Smart Switch (Device to Device) Step ...
Swipe down on the main screen to reveal the notifications panel. Tap the settings icon. Tap Connections. Tap Mobile networks. Tap Network operators Tap the switch button to turn Select automatically off.
1. Swipe down on the main screen to reveal the notifications panel 2. Tap the settings icon 3. Tap General Management 4. Tap Reset 5. Tap Reset mobile network settings