The LG Mobile Switch app transfers:
On your new LG device navigate: Menu > Settings > System > Backup then tap LG Mobile Switch.
On devices running Android version 7.x or older, navigate: Menu > Settings > Backup & reset then tap LG Mobile Switch.
On the new device, tap Wireless (preferred method).
Tap Receive on the new device.
Tap Start (lower-right) on the new device to begin the transfer.
On the old device, tap Wireless (preferred method).
Tap Start on your old device to begin the transfer.
The old device searches for your new LG device.
Once the new device is found, from the old device, tap the name of the new device to continue the transfer.
An invitation is sent to each device; tap Yes to confirm the transfer.
From your old device, select (check) the data you would like to transfer to your new device then tap NEXT to continue.
The old device lists the content to be copied to the new LG device.
When the transfer begins, a percentage of the amount of data transferred displays on both devices.
Once 'Complete' displays, tap DONE.
When the data transfer is complete on the new device, tap Restart Phone (lower-right) then turn off your old device.