I will not explain how to install CFW, just how to do this.
[TUTORIAL] Transfer save from retail cart to CIA using CFW!
- Make sure you have CFW
- Install the Homebrew Launcher CIA from Yellows8
- Download the Homebrew starter kit from smealum
- Install CTRBoot manager
- Rename smeas HB launcher to boot_hb.3dsx
- Put that in...
[TUTORIAL] Transfer save from retail cart to CIA using CFW!