Lots of good Technical advice above but sometimes it is just the way it is... we did a 3month trip across Canada (Vancouver Island to Cape Breton Island ). Many times we did not have data .. and not always in remote areas ( a bunch of cell towers cl...
I also had LG G4 Data not working from the Get-Go .. Tried all the tricks mentioned here ( except the sim from a different company - None available ) . The Factory Reset worked in the end ..Thank You to all who contribute here ! This is like working ...