Completely wiping all contents and storage in SmartQ T10 tablet. No Recovery, no CWM, no ADB
For a real safe and complete wipe, you might want to take a look at Nuke my Device.

If you're just after a factory-reset, this can be find in Settings. But then you shouldn't forget about your other storage (SDcards – internal as well as external ­– are usually not dealt with by a factory-reset, though some ROMs do so).