In some cases, unauthorized apps that require a jailbroken iPhone or iPad cannot be completely uninstalled. If that is the case for you, you will need to Update to the latest version of iOS to uninstall the app. [1] X Research source
Open the Snapchat app on your phone or tablet. It’s a yellow-and-white ghost icon. Tap the profile icon at the top-left corner. Tap the gear icon at the top-right corner. Tap Email. Enter a valid email address and tap Save. Enter your Snapchat password and tap Continue. Check your email and open the verification email. Tap Confirm email.
