Maybe if you wanna stay longer with your R4..
You don't need to update ur 3ds to the next firmware..
just wait until you get the information from people who use R4, it's that still work in the new firmware..
as long the cart still good now, dont mind your friend...
But still becareful if...
I went to a garage sell last saturday, and the lady had a PS2 for sale, but she had a sign on it that said "Nintendo -$50", had to laugh, almost bought but she didn't know if worked, and she didn't have controller or cables, so I passed.