i didnot done my iphone4s backup and i go for update and now my phone asking me restore old back up what i can do beacouse i wasn't took my old backup for my phone?
You might want to try re-phrasing the question or posting in your native language.
If I understand you, the phone is prompting you to restore and you have no backup... If that's the case, you can't restore what doesn't exist. Set it up as a new phone.
how can i set up as anew phone?
Retrieving data ...