How to unlock my phone

Jenny, A member of the official AVG Community Support in Brno (http://forums.avg.com/ww-en/avg-forums?sec=thread&act=show&id=190509) will see your topic & respond.
AVG Guru

I am experiencing the same problem with my phone. When I enter the six characters of my password it loads non stop.

please help

My details
Your Android™ device:   samsung SM-G900H
 
Your SIM's serial number:   89270200120171656934
 
Your mobile operator:   TelkomSA

I m jenny. I just change my phone sim card. It just show me ( this device is lost or stolen please return my device *jenny.chin55@gmail.com ).
When i m try to enter my password or AVG password any password i was try to enter but it does work. Pls help !!! pls do reply me to my email . I m using samsung note2.
When i lock in to my account to follow your instruction to type word AVGlock 123 or other formular also does work. What happen on this pls help . 

Your device: samsung GT-N7100
Your SIM's serial number: 8960181110748044919
Your operator: U Mobile

This is the email information that i get from AVG.
Last time i m using U Mobile now i m using Digi.

I need to soft this problem pls…

Jenny, A member of the official AVG Community Support in Brno (http://forums.avg.com/ww-en/avg-forums?sec=thread&act=show&id=190509) will see your topic & respond.
AVG Guru

I am experiencing the same problem with my phone. When I enter the six characters of my password it loads non stop.

please help

My details
Your Android™ device:   samsung SM-G900H
 
Your SIM's serial number:   89270200120171656934
 
Your mobile operator:   TelkomSA