ZTE Blade 2.3.5 Rooting help required

[Guest nightmare56]

I just recently upgraded my ZTE Blade /Dell XCD35 from 2.2(that came along the phone when i bought it) and upgraded it to 2.3.5 Gingerbread via update given by zte......now i want to root my Blade and install a custom rom of 4.0 or 4.1(whichever is available)......i tried several methods like using Superoneclick,Unlock root,z4root etc......but it is not getting rooted.........anyone got a solution????Help me please...... :unsure: :(