Changes

* First, ensure that your laptop is [http://wiki.laptop.org/go/Activation_and_developer_keys unlocked].

* First, ensure that your laptop is [http://wiki.laptop.org/go/Activation_and_developer_keys unlocked].

* Download both <tt>osNNNpy.img</tt> and <tt>osNNNpy.crc</tt> to the root directory of a USB stick

* Download both <tt>osNNNpyg.img</tt> and <tt>osNNNpyg.crc</tt> to the root directory of a USB stick

* Drop to the "ok" prompt by pressing ESC repeatedly during boot

* Drop to the "ok" prompt by pressing ESC repeatedly during boot

* Type the command: <code>copy-nand u:\osNNNpy.img</code> followed by ENTER

* Type the command: <code>copy-nand u:\osNNNpyg.img</code> followed by ENTER

* During the next reboot, keep the charger connected to allow OFW to self-update

* During the next reboot, keep the charger connected to allow OFW to self-update