Originally Posted by sudipta_bera

Would anyone tell me how to restore locally with 1.1.1 restore file? is there any link to download it and save the FW 1.1.1 restore package(IPSW) locally and then restore iPhone with ctrl + restore from that location?

You can download the 1.1.1 firmware here:

http://appldnld.apple.com.edgesuite....a_Restore.ipsw

I have restored my iphone using 7.4.x when the 7.5 update came out, if if give you any problems, you can just disconnect from the web and restart itunes and it wont know 7.5 is there :-)