Why isn't my Z10 STL100-3 getting upgraded to 0S 10.3.1?

I am using Z10STL100-3 in united arab emirates(middle east) and 0S10.3.1 still not getting updated for my phone.Please give me a solution..

Wait.
or upgrade it yourself. Directions in my signature.
Download the files from here:
http://forums.crackberry.com/bb10-le...oaders-995995/