Default [q] help!!!!! Xt910 gsm rogers

Hi there!!!!

I messed up with my sisters phone....

I rooted the phone ......done
Installed CWM Recovery.....done
Flashed Cyanogen C11 files......done
Tried to flash Gapp...............Failed Rebooted

Stuck on Boot loop!!!!!

Tried to use RSD Lite 6.1.5 ....
Phone detected.....
Used ROGERS Fastboot rom (9.8.2O-124_SPUL-18_Rogers_P005_A006_S1FF_fb_CFC.xml.zip)
started the Flash....
Fails always at 6/19 Phone Failed cdt.bin


What else is there to do and how????? thank you