机型老3DS(小)
有用Gateway降级4.X版
按网页
https://3ds.hacks.guide/zh_TW/installing-boot9strap-(soundhax)
开启‘Show NAND or user string in System Settings’后
按START关机跳出错误
An error has occurred:
Unable to mount CTRNAND or load the CTRNAND FIRM
Please use an external one.
Press any button to shutdown
按任意键关机后，再开机也是回到这个画面
请问该如何处理呢？
谢谢