R4i-Gold Card has been confirmed to support 3DS V3.0.0-6
R4i-Gold Firmware was updated to V1.70b by r4i-gold.com ,while the R4i-Gold 3DS V3.0.0-6 Upgrade Firmware was released .That means R4i Gold card can support the lasted Nintendo 3DS V3.0.0-6 successfully !
Download: R4i-Gold 3DS V3.0.0-6 Upgrade Firmware
R4i-Gold Firmware V1.70B Download
Download: R4i-Gold Firmware V1.70b -English