use this little tool , you can rotate your Q5′s  screen easily.

it’s  more convenient to view website and read pdf.

download and copy to sd card, right click and select install_rotaet.sh , then you will see Rotate icon on the desktop , click to run it.

for firmware v2.1  download

for firmware v3.0  download

for firmware v4.0  download

[via   zhiqi]