My mobile phone Samsung S4 locked while changing SIM card & asking for the password which I don't re

Hi Aravind 
I changed my password as advised by u but still can't get thru

Hello Salim. I understand how something like this can really try your patience. To unlock your phone have a look at this article http://bit.ly/1MsrvwZ . If that doest help then please click on the following link http://bit.ly/1EC8H4H and fill out your details, select as android then the name of AVG Program that you installed in your mobile and in description explain about your issue completely and finally click on Email option. Our AVG mobile team will reply back to you via email with a resolution. Thank you.

My ANdroid phone Samsung S4 has been locked while changing new SIM card  & has been asking for my password which I don't seem to rebember  as it says this instrument is lost or stolen

I request to please help me out 

Hi Aravind 
I changed my password as advised by u but still can't get thru

Hello Salim. I understand how something like this can really try your patience. To unlock your phone have a look at this article http://bit.ly/1MsrvwZ . If that doest help then please click on the following link http://bit.ly/1EC8H4H and fill out your details, select as android then the name of AVG Program that you installed in your mobile and in description explain about your issue completely and finally click on Email option. Our AVG mobile team will reply back to you via email with a resolution. Thank you.