AX3000T - Error creating full backup

Router: Xiaomi AX3000T Stock firmware version: 1.0.47

Hello, i'm getting a error when trying to create a full backup. I follow this steps.

Select: 2

device_name = RD03
rom_version = 1.0.47 release
mac address = 00:26:xx:xx:xx:xx
Current CountryCode = CN
Enter device WEB password: ********
Run SSH server on port 22 ...
#### SSH server are activated! ####

After that:

Select: 4

Download file: "/tmp/dmesg.log" ....
Download file: "/tmp/mtd_list.txt" ....
Download file: "/tmp/mtd_info.txt" ....
Download file: "/tmp/mtd_fdt.txt" ....
Download file: "/tmp/kcmdline.log" ....
Download file: "/tmp/dmesg.log" ....
Download file: "/tmp/mtd_list.txt" ....
Download file: "/tmp/mtd_info.txt" ....
Download file: "/tmp/mtd_fdt.txt" ....
Full backup creating...

ERROR: SSH execute command timed out! CMD: "dd if=/dev/mtd0 of=/tmp/mtd_dump.bin"

After that the router reboots.

Then i tried using choice 8 - 4

Choice: 4

Download file: "/tmp/dmesg.log" ....
Download file: "/tmp/mtd_list.txt" ....
Download file: "/tmp/mtd_info.txt" ....
Download file: "/tmp/mtd_fdt.txt" ....
Download file: "/tmp/kcmdline.log" ....
Download file: "/tmp/dmesg.log" ....
Download file: "/tmp/mtd_list.txt" ....
Download file: "/tmp/mtd_info.txt" ....
Download file: "/tmp/mtd_fdt.txt" ....
   0 > addr: 0x00000000  size: 0x08000000  name: "spi0.0"
   1 > addr: 0x00000000  size: 0x00100000  name: "BL2"
   2 > addr: 0x00100000  size: 0x00040000  name: "Nvram"
   3 > addr: 0x00140000  size: 0x00040000  name: "Bdata"
   4 > addr: 0x00180000  size: 0x00200000  name: "Factory"
   5 > addr: 0x00380000  size: 0x00200000  name: "FIP"
   6 > addr: 0x00580000  size: 0x00040000  name: "crash"
   7 > addr: 0x005C0000  size: 0x00040000  name: "crash_log"
   8 > addr: 0x00600000  size: 0x02200000  name: "ubi"
   9 > addr: 0x02800000  size: 0x02200000  name: "ubi1"
  10 > addr: 0x04A00000  size: 0x02000000  name: "overlay"
  11 > addr: 0x06A00000  size: 0x00C00000  name: "data"
  12 > addr: 0x07600000  size: 0x00040000  name: "KF"

Enter partition name or mtd number: 0

ERROR: SSH execute command timed out! CMD: "dd if=/dev/mtd0 of=/tmp/mtd_dump.bin"

And router reboots again. I had the same issue with 8, 9, 10 and 11 partitions but without reboot. It's possible to be some kind of protection?

openwrt-xiaomi / xmir-patcher

AX3000T - Error creating full backup #15