Yesterday 3DSfirmware has been upodated to V2.1.0-3, Nintendo didnt do big change in the new firmware, as they announced, the new firmware fixed some game problem.......
When you login e shop ,it will require you to update it to V2.1.0-3
Further improvements to overall system stability and other minor adjustments to enhance user experience
A correction for the screen freeze symptom experienced in the Ridge Racer 3D game
You can receive automatic updates when a wireless internet connection is available. When the download is complete, you will receive a dialog on the HOME Menu detailing the steps to install the update
And also it has been confirmed that the new firmware do not block flashcard , so you still can use your flashcard as usually, these cards has been confirmed still working
R4i gold 3DS (And old R4i gold also available ) from r4ids.cn
Acekard 2i Supercard DSTWo
M3i Zero
iEdge
yes,i have tested r4i-sdhc 3ds and found it work well on v2.1.0_3,if can compatiblity it directly ,just download the lastest kernel and unzip it,put the root file into your TF Card then plug it and play it.