Problems with CCR1009-8G-1S-1S+

Hi.

I tried to downgrade version to 6.0.

After reboot i have this:

RouterBOOT booter 3.18

CCR1009-8G-1S-1S+

CPU frequency: 1200 MHz
Memory size: 2048 MiB
NAND size: 128 MiB

Press any key within 2 seconds to enter setup..

loading kernel from nand… OK
setting up elf image… OK
jumping to kernel code
hv_warning: unknown SROM device type 0x140130140, ignoring
(0,0) hv_warning: srom/0 init routine returned -802, removed from configuration

I try to install with netinstall and shows me this:

RouterBOOT booter 3.18

CCR1009-8G-1S-1S+

CPU frequency: 1200 MHz
Memory size: 2048 MiB
NAND size: 128 MiB

Press any key within 2 seconds to enter setup..
writing settings to flash… OK
trying bootp protocol… OK
Got IP address: 192.168.1.4
resolved mac address 3C:07:54:0D:E9:C3
transfer started … transfer ok, time=2.07s
setting up elf image… OK
jumping to kernel code
hv_warning: unknown SROM device type 0x140130140, ignoring
(0,0) hv_warning: srom/0 init routine returned -802, removed from configuration

What can i do?

Thanks.