Finally I rooted my phone.I down load stock rom from 4pda and use the scatter file for extract boot and patch from mgisk and flash to boot.thanks every one for the support.

Please explain how to make full backup for root

Did you root after the latest update?

Scatter file for latest updated ROM?

I updated by air.still checking in any improvement.

New update is available.did someone try?

Thanks I will try again latet.thanks for your support.thanks again

I tried in another pc same problem in both.

I see the end address numbers in yours and mine different.may be that is the reason.thanks

Im totally fedup,no luck