The screen flashed white. Then black. Then, the text appeared.
Take a deep breath, safely eject your SD card, and walk through Method 1 to Method 5. By the time you finish, you will likely be staring at the SafeB9SInstaller’s beautiful "Boot9strap installed successfully" message. failed to open safeb9sinstaller.bin
: If you are using the MSET9 method and still cannot trigger the installer, double-check the Troubleshooting (MSET9) - 3DS Hacks Guide to ensure all prerequisite files are in place. The screen flashed white