when i try step 13 from this site :
[GUIDE] How To Root The Sprint CDMA Hero (Windows) - xda-developers
I get :
$ adb push 2.0-update-heroc-modacocustomcustomrom-signed.img /sdcard
adb push 2.0-update-heroc-modacocustomcustomrom-signed.img /sdcard
adb: permission denied
what am i doing wrong?