Nintendo has just released a new update for the 3DS bringing the system’s firmware up to version 9.7.0-25 J/E/U. It seems does’t block any 3ds or ds flashcart, this one is a tiny firmware which is all about further improvements to overall system stability and other minor adjustments to enhance the user experience. And users will need to download the update if they plan on accessing the eshop.

What are the working flashcarts for 9.7.0-25 J/E/U?
SKY3DS flashcart blue button version
R4i gold 3ds rts with wood kernel
R4i-sdhc rts card
R4i silver card 2015 version
R4i-gold pro 2015 version

What is the best 3ds flashcart for 9.7.0-25?
Sky3ds- for playing 3ds games
R4i sdhc 3ds rts for playing ds/dsi games

where to buy sky3ds for 9.7.0-25

where to buy sky3ds for 9.7.0-25

Gateway 3DS flashcart is great card for playing both ds and 3ds title games, however, it requires system version lower than v9.2.  And it does not support the latest emunand 9.6 or emunand 9.7 yet. So currently sky3ds is the best 3ds flashcart for your 9.7.0-25 console.