Open the App Store on your iPhone
Tap your profile icon in the top right corner
Scroll down to see available updates
Find Instagram in the list
Tap Update next to Instagram
Wait for the update to finish
Open Instagram after the update is complete
Open the App Store on your iPhone
Tap your profile icon in the top right corner
Scroll down to see available updates
Find Instagram in the list
Tap Update next to Instagram
Wait for the update to finish
Open Instagram after the update is complete