To delete Snapchat chats on both sides, press and hold an unopened message, then tap Delete. It will be removed for both users. If the message was already opened, you can only delete it from your side or clear the conversation in settings.
On Snapchat, you can delete a message for both users only if it hasn’t been opened. Press and hold the message, select Delete, and confirm. Once a message is opened, deletion only removes it from your own chat history, not the recipient’s.
Snapchat allows two-sided deletion only for unopened messages. Simply tap and hold the message, choose Delete, and it disappears for both users. If the message has already been viewed, you can only clear the conversation on your device through settings.
To delete Snapchat chats on both sides, the message must remain unopened. Hold the message, tap Delete, and confirm. Opened messages cannot be removed for the other person. You may clear chats from your settings, but this won’t affect the recipient’s copy.