Help! How do I Downgrade From 1.1.4 to 1.1.1 with (Windows XP)?

*i tried (iphuc) entered filecopytophone WTF.s5l8900.xall.RESTORE.dfu and did it with capital O (didnt work)

*I also tried ziphone and all it did is put a zibri blog on my phone



Please Help (Very Confused)