this is the tips that i found:
-download the firmware file u want to restore <----
where to download r ?-make a backup copy and rename the extension to .rar
-open it up and navigate to /firmware/all_Flash/all_flash.xxxxx.production/
-open LLB.*****.RELEASE.img3 with any hex editor <----
what is hex editor? in windows 1 r?-change with any random values int he file and save it
-rename back the extension to .ipsw
-open itunes and use shift+restore
-navigate n select the .ipsw file that u previously edited
-it should give an error code 32
-now you are in dfu mode
-proceed with iReb and put your idevice into custom firmware mode
<-- download this Ireb also?-shift+restore to begin the restoring process
Thanks for your tips but i didnt really understand the above.... 1st time JB here