Steps For iPhone 6s or Newer

  1. Force touch image
  2. While pressing down, slide finger up
  3. Select "Save Image"
  4. Open Photos > Camera Roll
  5. Select Photo
  6. Choose "Use as Wallpaper"

Steps For iPhone 6 or older

  1. Press and hold image
  2. Select "Save Image"
  3. Open Photos > Camera Roll
  4. Select Photo
  5. Choose "Use as Wallpaper"

Steps for Android

  1. Press and hold image
  2. Select "Download Image"
  3. Open Settings > Display > Lockscreen
  4. Select "Wallpaper"
  5. Select "Downloads"
  6. Choose image
  7. Select "OK"