My Phone is Locked. I Can Not Unlock it

Zain, Please refrain from carrying out multiple postings on the same subject! You won't obtain an answer to your query any faster! See posting (https://support.avg.com/answers?id=906b0000000D443AAC).
AVG Guru

Hi, 

  I Activated the Anti-Theft on my Mobile and entered a password. But after  I changed the Sim Card Just to Check how it Works, It Locked My Phone and My password is not working. Please Help me to reset my Password.

Android Device - Huawei G610-U20
Email - syedzaingardezi1@gmail.com

Zain, Please refrain from carrying out multiple postings on the same subject! You won't obtain an answer to your query any faster! See posting (https://support.avg.com/answers?id=906b0000000D443AAC).
AVG Guru