hello my dear friends.. i have a big problem with my htc desire hd A9190..it is rooted . by mistake i deleted system data and now my phone is unable to reboot..the screen remains lighted and stucked on htc .to put off i have to take the battery..i am in a big problem...can any one tell me please how to repair the system so as my phone become normal???????? thank you so much for this beautiful forum