If you see a configuration menu, you already have CFW, and continuing with these instructions may BRICK your device! 前往至 [檢查是否已安裝自製韌體](checking-for-cfw) 以更新您現有的自製韌體。
+ If you miss this step, the system will exit to HOME Menu instead of installing boot9strap and you will need to start over from Step 12 of Section III
1. Verify that a `luma` folder exists and that `config.ini` is inside of it
+ The existence of these folders and files confirms that Luma3DS is installed
+ If you do not see the `luma` folder or `config.ini`, [follow this troubleshooting guide](https://github.com/zoogie/b9sTool/blob/master/TROUBLESHOOTING.md)