1. If you feel disturbed by messages/calls from
unknown contacts,
Please enter his profile page
- Block/Delete contact.
*If you blocked the contact, he/she cannot
send messages to you nor call you.
2. For serious violations (including but not
limited to pornography, fraud, blackmailing,
bloody, gambling, drugs, etc.), you may report
this user in imo as below:
① Please enter his profile page
- [ Report ]
② Choose a reason for the problem
③ Attach related description, screenshots

3. To check how the misbehaved user add you:
>Click the user's profile picture
>[Source: This friend added you from...]
Tips:
1. You can enter your Profile page - Security
& Privacy - Modify "Method for Adding Me".
2. To secure your account, please do not log on
an unknown device, click malicious links, let out
of the verification code.