In the entry screen, select ‘attach photo’ then browse your device library to select a photo.
Select the photo orientation and ratio:
Landscape 4:3
Portrait 3:4
Square 1:1
Widescreen 16:9
Use the ‘crop size’ slider to adjust the cropping.Add your caption.
Select ‘Save image’.You will see a warning if the photo resolution is low.To change an image later (orientation or cropping) you will need to delete the image and upload it again then select your orientation and adjust the cropping.