R4 Sdhc 2015 Dual Core Firmware !!top!!

This means your firmware does not match your hardware. You likely downloaded firmware for a different R4 model. You may need to try a few different variations (like the "Revolution for DS" firmware vs the "R4i" firmware) until one sticks.

If you use Moonshell for listening to music or reading text files, ensure your media files are properly encoded to prevent system crashes. r4 sdhc 2015 dual core firmware