Wondering when you installed the latest 3.0.3 firmware did you use this method ?
Installation Instructions:
1. Extract update.zip from the download archive (using an unzip app like 7zip, Winzip etc) to the root of a USB pen drive. (the USB pen drive should contain a single file called 'update.zip').
2. Insert the USB pen drive into any USB port of the Q10 4K3D.
3. With the Q10 4K3D turned off, use a paper clip or pen to press and hold the the pinhole restore button on the side of the Q10 4K3D (next to the USB ports).
4. While keeping the restore button pressed, turn on the Q10 4K3D.
5. The Q10 4K3D will show an Android droid logo and proceed to upgrade the firmware.
6. The box will auto-reboot when finished.
I have had quite a few complaints from people who updated with the built in updater app, Almost as if it is leaving residual stuff behind from the previous firmware.