I am sorry for an in-complete post.
I tried to download the OS (File name: 9320jAllLang_PBr7.1.0_rel1647_PL9.49.0.47_A7.1.0.5 23_Truemove___H.exe) from the link
https://swdownloads.blackberry.com/D...29235D8438A347
When fill all the info and proceed, an error message appears, "We're Sorry...
Download of this software failed".