Root Qmobile A900i
Got tired searching for root method for Qmobile A900i, i was too Then got a solution, got a program that roots Qmobile A900i easily
Download Drivers for A900i
Connect you smart phone to your computer and install drivers provided above.
It will root in 1 or 2 minutes and you phone will reboot, after rebooting there will be a app in some Chinese language, which will work as super user app to remove that install SU from google play store and then you will be prompted to remove any other conflicting app. now your phone is rooted :)
if any one needs CWM recovery of this phone, i will provide you that.