How to reset/remove forgotten password on oneplus 5?

[UltimateBlade]

Guys i have accidentally locked my device.Find my device(Android device manager) isnt able to connect to my phone though 4g is turned on in my device.Can anybody help me or suggest me how to remove/reset the password without resetting the device.My device isnt rooted but usb debugging is enbaled.
Thanks in advance.

 

[Funk Wizard]

Please visit a service center along with the device documents, your case points to a suspect stolen device.