Can you revert the nook tablet 1.4.3 back to a 1.4.0 version using only the nook?

Can you revert the nook tablet 1.4.3 back to a 1.4.0 version using only the nook?

Read more: Can you revert the nook tablet 1.4.3 back to a 1.4.0 version using only the nook?