bhai koi blocked ya unblocked sim port scan nhi krti h jb tk ki koi port open na ho........
12345proxy.com
80
ye settin use kro fire fox me
then open this url 203.115.112.5
if open sum page then tumhari sim unblock h or agr koi page open nhi hota h to tumharri sim block h.....
Demritt-:
on blocked sim u can not use free internet on tcp 443 port via free host trick