Install tips for iOS 11

  • Download on the App Store for iMessage.
  • In the iMessage App Drawer, swipe to the "more" icon and tap it.
  • Tap "Edit" and toggle-on Flashback Sticker Attack!
  • Tap the green add button (+) to move it to Favorites.
  • Done :)

Redeem a promo code

  • Launch the App Store.
  • Tap your Profile Pic in corner, or scroll to the bottom of the page.
  • Tap Redeem.
  • Enter the promo code number manually.
  • Tap Redeem.
  • Your download will begin!
  • Stickers can be accessed in iMessage.