iDS-7216HQHI-M1S shut down while updating

[DARWINLARS]

hello, i have this dvr iDS-7216HQHI-M1S, it shut down while updating, i know how to restore firmware using ttl
my pc ip is 192.0.0.128
i can ping with 192.0.0.64
i open putty then pressed ctrl+u to stop autoboot...
the start of line is HKVS $
when i insert: setenv ';printenv' no thing happens at all
the console does not accept any orders.
what should i do?
this is the full log starting from boot:

NDD>XSAT
UNZOK!PCK[120]
table1
DRAM1_DDR4x2_2400_32B ini_ver: 0x41210723
zq_trim[e], ldo_trim[6]
CPU1200 DONE

RPA

table1
DRAM2_DDR4x2_2400_32B ini_ver: 0x41210723
ddr2 zq_trim[e], ldo_trim[4]
ddr init done
HVYOK
UNZOK!
Loader Start ...SPI NAND MID=000000C8 DEV=00000051
bin_size: 0x00008140
sha256_align_size 0x00008140
atf.bin RSA ok!
check sum ok!
sha256_align_size 0x000A2400
uboot RSA ok!
smp(bl31)
$$$64wfi64wf6i4wfi64core2_jump_program 0x0020658B
64code2JumpCodelen 0x0000018C
ARC64warwmrarsmrtstwarmrst***2341###NOTICE: BL31: v2.2(release):
NOTICE: BL31: Built : 17:00:51, Aug 23 2021
NOTICE: FDT check fail.
NOTICE: BL31: No DTB found.
NOTICE: TZASC config:
NOTICE: 0x00100000@0x01f00000 (RW/N) Ree
INFO: ARM GICv2 driver initialized
INFO: BL31: Platform setup done
INFO: BL31: Initializing runtime services
NOTICE: not find OPTEE, if system not have OPTEEe, don't care OPTEE error or warning message
WARNING: No OPTEE provided by BL2 boot loader, Booting device without OPTEE initialization. SMC`s destined for OPTEE will return SMC_UNK
ERROR: Error initializing runtime service opteed_fast
INFO: BL31: Preparing for EL3 exit to normal world
INFO: Entry point address = 0x3e000000
INFO: SPSR = 0x3c9


U-Boot 2019.04 (Nov 20 2021 - 18:35:17 +0800), Build: jenkins-Backend-BSP-CCI-4941

Read power trim = 0x00000000
remap_data 8
pwm_id:0 pinmux = 0x1
pwm_id(0) pwm_pinmux(0x1)
pclk_freq(30000000) div(3)
id = 0xc8 0x51 0xc8 0x51
NVT_MMC0: 0
env_nand_load:read nand env0 sucessful
env_nand_load:crc env0 sucessful
env_nand_load:read nand env1 sucessful
env_nand_load:crc env1 sucessful
OK
Set CPU clk 1200MHz

Warning: eth0 MAC addresses don't match:
Address in SROM is c0:6d:ed:2c:49:fc
Address in environment is 00:00:23:34:45:66
[Dynamic change partition Warning]Use default partition info,ret is -19!
Hit ctrl+u to stop autoboot: 0
HKVS $

 

[trempa92]

its different for each firmware.


printenv
setenv printenv
setenv ';printenv'

Have you tried with:

setenv ';ipaddr 192.0.0.64'
setenv ';serverip 192.0.0.128'
setenv ;'update'

also

setenv ipaddr 192.0.0.64
setenv 192.0.0.128
update