Cant restore ipad 2


I have issue with ipad 2 i was trying to restore it but always giving error 9 i got it fixed with ireb but that is not the story.Actually i was looking to update latest version ios 9.2 but its always end up with error 9 even i change usb port tried orignal usb but its always same story on PC AND MACBOOK fOR Readers knowledge the ipad was jailbroken on 4.3.3 i cant even erase it.So please suggest me to fix this problem.

Steps been tried are below

1.Orignal USB.

2.Different pc

3.Tried Macbook

4.latest itunes

5.Disabled firewall

None of above work

Ipad get disconnected when say waiting for ipad after give error 9