To hack 3DS V5.1.0-11 system, you need to upgrade the r4 3ds sdhc card with a DS. Firstly, you need to download and install the latest R4i-3DS V1.67b kernel to the SD card. Secondly use a DS or DSi console to upgrade the r4i sdhc 3DS RTS card and r4i sdhc 3DS card.
1. Download and install the latest r4i-3ds v1.69b kernel to the SD card.
2. Download some DS game and put them to the SD card.
3. Connect the DS console to AC power for Charging.
4. Put the R4i SDHC 3DS card with SD card into the DS console.
5. Turn on the power of DS, and enter the r4 mainmenu.
6. Choose the third selection and press “A” button to enter.
7. Click “upgrade” key to start upgrade process.
8. Wait untill upgrade process finish.then the R4i SDHC 3DS card can work on latest 3DS V5.1.0-11 E/U/J system now.