if u r talking about Aussie/UK, no worries about the voltage, it's the same like Mahresia

Updates & such, and online also no worries, can go online normally too

but you might have to create a new game tag to get the local content there

also the games sold there are PAL games, not all are playable on your asian console ler... you can buy region free games only, which I doubt there's a lot.