So I recently found a r4i gold 2.0 card in my drawer and it's from www.r4ids.com, not www.r4ids.cn.
I downloaded the correct firmware and is currently playing Pokémon Blaze Black (SO COOL!) and I was wondering if I could use the Acekards AKAIO 1.9.0 kernel in replace of my AKAIO 1.8.6a r4iDS...