Originally Posted by evilzipik

now get root only modify firmware with rk29xtools, other way don't known (i test some popular solutions for android 2.3 - all worked)

desirable you need original firmware to modify.

i can offer to upgrade via sdcard - test it:
put firmware to / sdcard and reboot with hold reboot button

P.S. i install droic VNC server and couldnt start this apps =) (not work with our device?)