What is a manual roam?:
A manual roam is basically resetting your phones connection to the network provider to get a new shiny refreshed one in which should assist most minor issues for example signal issues.
iPhone:
- Settings
- Mobile data
- Network selection
- Turn off automatic
- Select your network
- Turn off the device
- Turn on the device
- The refreshed network should now connect
- Attempt to use device
SAMSUNG:
- Apps
- Settings
- Network selection or other networks
- Search networks
- Select your network
- Turn off the device
- Turn on the device
- The refreshed network should now connect
- Attempt to use device