ubiformat /dev/mtd13 -y -f /tmp/openwrt-09.05.2022-ipq807x-generic-redmi_ax6-squashfs-nand-sysupgrade.bin
ubiformat /dev/mtd12 -y -f /tmp/openwrt-redmi_ax6-squashfs-nand-factory.ubi
ubiformat /dev/mtd12 -y -f /tmp/openwrt-ipq807x-generic-redmi_ax6-squashfs-nand-factory.ubi
ubiformat /dev/mtd13 -y -f /tmp/openwrt-redmi_ax6-squashfs-nand-factory.ubi
ubiformat: 286 eraseblocks have valid erase counter, mean value is 1

1 == r15
0== r10
12
fw_setenvflag_last_success 0
fw_setenv flag_boot_rootfs 0