# Restore the kernel in eMMC
openwrt-ketnel -s mmcblk1
# Restore the kernel in NVMe
openwrt-ketnel -s nvme0n1
# Restore the kernel in a removable storage device
openwrt-ketnel -s sda
# Disk names can be abbreviated as mmcblk1/nvme0n1/sda, etc., or use the complete name such as /dev/sda
openwrt-ketnel -s /dev/sda
# When the device has only one built-in storage (eMMC/NVMe/sdX), the disk name parameter can be omitted
openwrt-ketnel -s
command: