Unknown device on your Snapchat account
Short answer
Sign out the unfamiliar active session, then change your password and confirm your recovery contact details.
Open the next guideWhat you need to know
A device you do not recognize calls for a focused account check.
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Check the active list
Session Management shows currently signed-in sessions, which you can inspect and end.
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Close the access route
A password change and review of recovery email and phone help reduce the risk of renewed access.
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Look for broader signs
If your account details or posts changed, follow Snapchat’s compromised-account guidance.
Unfamiliar label or unfamiliar access?
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It may be your browser
Compare your own devices and sessions; a vague label alone does not identify an attacker.
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It is not yours
End the session and protect the account.
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It returns or details changed
Treat persistent access or unauthorised changes as a broader account incident.
→ Next guide: What to do if your Snapchat account is compromised
Official sources
Snapchat Support pages this guide is based on. Product details change, so check them before acting.
- Manage signed-in devices help.snapchat.com
- My account is compromised help.snapchat.com
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