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It’s the yellow icon with a white ghost inside. You’ll usually find it in the app drawer or on the home screen. If you’re signing in on a new Android and no longer have access to the phone number or email address used for your Snapchat’s two-factor authentication (Login Verification), you can still recover your account using the code you generated. It’s on the pink stripe near the bottom of the screen. If you use two-factor authentication, Snapchat will send a confirmation text or email message to the number or address on file. Since you generated a recovery code, you can use that instead. As long as the code is entered properly, you’ll be signed in.  A message will appear, informing you that Login Verification is now disabled. You can only use the recovery code once. After you log back in, make sure to create a new code and enable 2-factor authentication.
Open Snapchat on your Android. Tap LOG IN. Enter your username and password and tap Log In. Enter the recovery code when prompted and tap Continue.