Hello I Got Two 3DS XL Consoles I Wanna Downgrade My Black One From 9.2 To 4.X Firmware Using The Gateway Downgrade File Method. My Question Is If I Can Even Do The Downgrade, My 3DS XL Was On Firmware 7.x When I Bought It In 2014 I Believe (Doesnt The 3DS Have To Have Already Been On 4.x At One...