Here are a few typical reasons Snapchat could take such an decision:
• Incorrectly verifying the number or email address associated to your account.
• Doing too many pictures or requests for friends at once.
• Spam or unwelcomed Snapchats or messages to the users.
• The violation of the guidelines of the community.
• By using a third-party application tweak or plugin that has not been verified by Snapchat to access Snapchat's services.
• Try to sign in to your Snapchat account using an unapproved device.
• Someone tried to hack your account.
Website:
https://www.guidebrain.com/unlock-your-locked-snapchat-account/
