Open Snapchat and go to your profile
Tap the gear icon to open Settings
Scroll to Memories
Tap Save Button
Choose where snaps are saved
Set it to Memories, Camera Roll, or Memories and Camera Roll
Turn on Auto-Save to Memories if available
Open a snap or story you want to back up
Tap the Save icon to save it to Memories
Open Memories from the camera screen
Select the photos or snaps you want to back up
Tap Export or Send
Choose Camera Roll to save a copy on your device
Back up your phone photos to cloud storage like Google Photos, iCloud, or OneDrive
Regularly check that your Snapchat photos are saved in Memories or Camera Roll