If you happen to have HTC One then you are lucky just update you HTC One to Sense 5.5 and you will get 25GB of free Google Drive storage. But that's not so easy to get for that you need to follow guide below.
In ADB setup of your device type command "adb devices"
After write the following commands one after the another
echo -ne ‘\x00\x00\x00\x00′ | dd of=/dev/block/mmcblk0p3 bs=1 seek=33796
If your have done everything correct then disconnect your phone and go to Google Drive where you will find at redemption of 25GB free storage.