Sadly I can't use a hardware flasher because the hardware isn't available in my country. So waiting for a cfw is my best option. Thanks for your efforts.
I downloaded 4.81 OFW BYPASS installed it said demo mod i l1 r1 square 000 entered and it became normal ps3 after that i can see installed packages if i download multiman 4.81 and installed it in there would i be successful i have superslim 4C