How to reset network settings on your Samsung Galaxy J4 by restoring Wi-Fi, mobile, and Bluetooth defaults. Follow our guide to fix connectivity issues quickly.
STEP BY STEP
Reset Network Settings · Restore Network Defaults · Wi-Fi Reset · Mobile Data Reset · Bluetooth Reset · Connectivity Reset · Network Reconfiguration · Reset Connections
You can delete all data on your SD card by navigating to Settings > Battery and device care > Storage > SD card > Format > Format SD card.