Open the Snapchat app, sign in if necessary, then tap your Bitmoji/profile icon in the top left corner. Click Trophies right beneath your Snapcode to open your Trophy Case. In this section, you'll find a list of all your unlocked trophies along with padlock icons for those you have yet to unlock. To find out
how you unlocked Snapchat trophies
you've already unlocked, tap on them. There is no way to see how to unlock the rest of the padlocks by tapping on any of the locked ones.
For more read -
heroes.app/blogs/161333/How-to-Unlock-All-the-Snapchat-Trophies
