Macbook to iPhone file transfer
what is the correct way of transferring a large size folder from MacBook to iPhone?
MacBook Air
See the following Apple articles:
Set up iCloud Drive
Set up iCloud Drive - Apple Support
Access and manage your files in iCloud Drive
Access and manage your files in iCloud Drive - Apple Support
Transfer files between iPhone and your computer
Intro to transferring files between your iPhone and computer - Apple Support (BN)
Share files and folders in iCloud Drive on iPhone
Share files and folders in iCloud Drive on iPhone – Apple Support (UK)
Use iTunes to share files between your computer and your iOS or iPadOS device
Use iTunes to share files between your computer and your iOS or iPadOS device - Apple Support