Here, we will provide one by and introduce Why is My Snapchat Locked (https://www.apsense.com/article/why-is-my-snapchat-locked.html).
1. Your Snapchat account gets locked because you are using third-party apps, plugins, and more. Which are illegal or not supported by Snapchat.
2. Your account will be locked if Snapchat detects, you are sending, spam, or messages in chat and other incorrect behavior.
3. Snapchat will also lock your account while you are adding too many friends when you have not verified your email or phone number.
4. When Snapchat releases app updates frequently, various accounts may get affected and locked.
Also, Read More: https://www.guidebrain.com/unlock-your-locked-snapchat-account/