Nintendo release Firmware update for 3DS Console
Nintendo recently released a firmware update for the 3DS console. This firmware version is v 4.2.0-9.
www.R4i-sdhc.com have released new kernel software to address this upgrade. At the time of writing the latest from the R4 team is v1.59b.
If you have upgraded your console with the latest firmware from Nintendo you may have to upgrade your R4 card. Follow the advice in http://www.r4onlinestore.com/software-downloads/