Here is a step by step visual description of how to apply a factory reset.
This will reset the device if you are unable to boot it up or want to wipe out all of the applications you have loaded or changes you have made.
SD card data is NOT affected with this process.
Note: If you receive a "No recovery image is found, try recover from SD" message when following these steps, it may be possible to manually update the device to obtain a recovery...
Apply a Factory Reset - (Step by Step with Images)
This will reset the device if you are unable to boot it up or want to wipe out all of the applications you have loaded or changes you have made.
SD card data is NOT affected with this process.
Note: If you receive a "No recovery image is found, try recover from SD" message when following these steps, it may be possible to manually update the device to obtain a recovery...
Apply a Factory Reset - (Step by Step with Images)