Your link seem dead
please update new link for your file thx
let's do it step by step (and your comment after "==>")
1- Download http://forum.xda-developers.com/attachment.php?attachmentid=2342635
we need just the preloader_edit.bin
2- Download then unzip the ROM Files :
http://www.4shared.com/rar/I99JRo7U/GT-I9500_MT6572_ALPS-JB3_fix_p.html
http://www.4shared.com/rar/3q3l2pLb/GT-I9500_MT6572_ALPS-JB3_fix_p.html
http://www.4shared.com/rar/DeNaJAYS/GT-I9500_MT6572_ALPS-JB3_fix_p.html
http://www.4shared.com/rar/iEOEI1PC/GT-I9500_MT6572_ALPS-JB3_fix_p.html
http://www.4shared.com/rar/pHZGmzkx/GT-I9500_MT6572_ALPS-JB3_fix_p.html
http://www.4shared.com/rar/nbuvfCxf/GT-I9500_MT6572_ALPS-JB3_fix_p.html
3- Remove the phone battery, open the sptool click on preloader then select preloader_edit.bin instead of preloader.bin
==>
4- connect the phone, when it's detected by PC, click on format
==>
5- disconnect then connect the phone again, when it's detected by PC click on "Firmware Upgrade"
==>
6- Wait the end of upgrade operation then disconnect and reboot the phone
please update new link for your file thx