Netgear R6300v2 Advanced Debrick Notes By Sploit

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native_tx
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Joined: 26 Feb 2014
Posts: 169
Location: Texas

PostPosted: Tue May 08, 2018 7:18    Post subject: Reply with quote
Dry wrote:
Hi all, my Netgear R6250 after the update firmware on tomato by shibby has become constantly flashing green power indicator, attempts to send the original firmware to tftp do not give any result, can anyone have any ideas?


You are suppose to use the back to OFW provided by tomato in order replace with OFW no tftp is required. Maybe you should reset the router by holding the reset for 8 seconds while it's powered on and let it reset you should see the front panel lights all activate and shut off for maybe 45 seconds. Use a static IP to monitor any activity from a pc or laptop and run ping to check for activity coming from the router's gateway ip, if you don't remember just reset the router as mentioned and let it sit for 45 seconds.
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Dry
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Joined: 06 May 2018
Posts: 12

PostPosted: Tue May 08, 2018 11:33    Post subject: Reply with quote
native_tx wrote:

You are suppose to use the back to OFW provided by tomato in order replace with OFW no tftp is required. Maybe you should reset the router by holding the reset for 8 seconds while it's powered on and let it reset you should see the front panel lights all activate and shut off for maybe 45 seconds. Use a static IP to monitor any activity from a pc or laptop and run ping to check for activity coming from the router's gateway ip, if you don't remember just reset the router as mentioned and let it sit for 45 seconds.


I did a reset 30/30/30 and pinged the router, it issues TTL = 100, but after a successful transfer of the firmware by tftp, nothing happens, the power LED keeps blinking green, I waited for 2-10 minutes
native_tx
DD-WRT User


Joined: 26 Feb 2014
Posts: 169
Location: Texas

PostPosted: Tue May 08, 2018 16:48    Post subject: Reply with quote
Dry wrote:
native_tx wrote:

You are suppose to use the back to OFW provided by tomato in order replace with OFW no tftp is required. Maybe you should reset the router by holding the reset for 8 seconds while it's powered on and let it reset you should see the front panel lights all activate and shut off for maybe 45 seconds. Use a static IP to monitor any activity from a pc or laptop and run ping to check for activity coming from the router's gateway ip, if you don't remember just reset the router as mentioned and let it sit for 45 seconds.


I did a reset 30/30/30 and pinged the router, it issues TTL = 100, but after a successful transfer of the firmware by tftp, nothing happens, the power LED keeps blinking green, I waited for 2-10 minutes


30x3 doesn't work for arm routers, use the pin hole on back of the router. Does the router still have tomato on it? If so use the back to OFW r6250 from tomato, If your trying the tftp, but I know that when using the method i had explained is preferred and the tftp is something used when router is in some soft brick state meaning it's waiting for a proper firmware transfer. Which firmware are you using and version of netgear, if its latest, I'd use the original firmware that came installed then once a successful transfer back to OFW you can update to latest netgear firmware if there is any. Good luck
Dry
DD-WRT Novice


Joined: 06 May 2018
Posts: 12

PostPosted: Tue May 08, 2018 22:30    Post subject: Reply with quote
native_tx wrote:
Dry wrote:
native_tx wrote:

You are suppose to use the back to OFW provided by tomato in order replace with OFW no tftp is required. Maybe you should reset the router by holding the reset for 8 seconds while it's powered on and let it reset you should see the front panel lights all activate and shut off for maybe 45 seconds. Use a static IP to monitor any activity from a pc or laptop and run ping to check for activity coming from the router's gateway ip, if you don't remember just reset the router as mentioned and let it sit for 45 seconds.


I did a reset 30/30/30 and pinged the router, it issues TTL = 100, but after a successful transfer of the firmware by tftp, nothing happens, the power LED keeps blinking green, I waited for 2-10 minutes


30x3 doesn't work for arm routers, use the pin hole on back of the router. Does the router still have tomato on it? If so use the back to OFW r6250 from tomato, If your trying the tftp, but I know that when using the method i had explained is preferred and the tftp is something used when router is in some soft brick state meaning it's waiting for a proper firmware transfer. Which firmware are you using and version of netgear, if its latest, I'd use the original firmware that came installed then once a successful transfer back to OFW you can update to latest netgear firmware if there is any. Good luck


My router Netgear R6250 with a purple stripe, I decided to order a usb ttl adapter and see what happens to it
native_tx
DD-WRT User


Joined: 26 Feb 2014
Posts: 169
Location: Texas

PostPosted: Tue May 08, 2018 23:13    Post subject: Reply with quote
Dry wrote:
native_tx wrote:
Dry wrote:
native_tx wrote:

You are suppose to use the back to OFW provided by tomato in order replace with OFW no tftp is required. Maybe you should reset the router by holding the reset for 8 seconds while it's powered on and let it reset you should see the front panel lights all activate and shut off for maybe 45 seconds. Use a static IP to monitor any activity from a pc or laptop and run ping to check for activity coming from the router's gateway ip, if you don't remember just reset the router as mentioned and let it sit for 45 seconds.


I did a reset 30/30/30 and pinged the router, it issues TTL = 100, but after a successful transfer of the firmware by tftp, nothing happens, the power LED keeps blinking green, I waited for 2-10 minutes


30x3 doesn't work for arm routers, use the pin hole on back of the router. Does the router still have tomato on it? If so use the back to OFW r6250 from tomato, If your trying the tftp, but I know that when using the method i had explained is preferred and the tftp is something used when router is in some soft brick state meaning it's waiting for a proper firmware transfer. Which firmware are you using and version of netgear, if its latest, I'd use the original firmware that came installed then once a successful transfer back to OFW you can update to latest netgear firmware if there is any. Good luck


My router Netgear R6250 with a purple stripe, I decided to order a usb ttl adapter and see what happens to it


I had remembered on your op, i was thinking of r6300v2. Did you press and hold the reset button and wait at lease 45 seconds? You did also setup a static ip to that of the gateway last know ip your router was setup to? These steps should have enabled you to reset your router to a default state so if tomato is installed tomato will come up not Netgear, and if you get a ttl of 100 what does the icmp have could you show an image of your output when you are using ping, and are you using windows or linux, macos? Another thing to remember is, if you are successful into getting back into the gui reset your router to default in this case if tomato is there clear nvram, if you are going to reinstall netgear use the tomato r6250 back to ofw and once done install whatever netgear firmware you have for the r6250 and restore defaults again.
Dry
DD-WRT Novice


Joined: 06 May 2018
Posts: 12

PostPosted: Wed May 09, 2018 12:18    Post subject: Reply with quote
Yes i tried to hold the reset button 8 and 45 seconds, nothing changes ;( the router starts to boot, all the LEDs flash and then the power indicator flashes green, ping always gives TTL = 100 My os Windows 10
native_tx
DD-WRT User


Joined: 26 Feb 2014
Posts: 169
Location: Texas

PostPosted: Thu May 10, 2018 0:12    Post subject: Reply with quote
Dry wrote:
Yes i tried to hold the reset button 8 and 45 seconds, nothing changes ;( the router starts to boot, all the LEDs flash and then the power indicator flashes green, ping always gives TTL = 100 My os Windows 10


Ok, I believe you that holding the reset for 8 seconds, but I'm unclear if you mean you also did for 45 seconds? as to waiting 45 seconds after holding and then release the reset for 8 seconds, did you setup a static ip like 192.168.1.2, netmask:255.255.255.0 no need for gateway or dns for some reason netgear likes that ip address? Ok the router maybe waiting for a tftp install, netgear has a tutorial on how to do this, i'd suggest you can try that as well before your USB adapter arrives. Sorry the suggestions didn't help you, maybe try the tftp as suggested from netgear, good luck
Dry
DD-WRT Novice


Joined: 06 May 2018
Posts: 12

PostPosted: Tue May 22, 2018 21:17    Post subject: Reply with quote
native_tx wrote:
Dry wrote:
Yes i tried to hold the reset button 8 and 45 seconds, nothing changes ;( the router starts to boot, all the LEDs flash and then the power indicator flashes green, ping always gives TTL = 100 My os Windows 10


Ok, I believe you that holding the reset for 8 seconds, but I'm unclear if you mean you also did for 45 seconds? as to waiting 45 seconds after holding and then release the reset for 8 seconds, did you setup a static ip like 192.168.1.2, netmask:255.255.255.0 no need for gateway or dns for some reason netgear likes that ip address? Ok the router maybe waiting for a tftp install, netgear has a tutorial on how to do this, i'd suggest you can try that as well before your USB adapter arrives. Sorry the suggestions didn't help you, maybe try the tftp as suggested from netgear, good luck


Here's what the PuTTY gives when connecting to jtag:

Digital core power voltage set to 0.9375V
Decompressing...done
Digital core power voltage set to 0.9375V

SHMOO VER 1.13

PKID07DC06011801080000000000001A103F01000000

S3004026B
00001C00


RDLYW0 00000004

RDENW0 00000040

RDQSW0

0000000000111111111122222222223333333333444444444455555555556666
0123456789012345678901234567890123456789012345678901234567890123
00 -----+++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++
01 ---------+++++++++++++++++++++++++++X+++++++++++++++++++++++++++
02 -----+++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++
03 -----+++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++
04 --+++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++
05 ------+++++++++++++++++++++++++++++X++++++++++++++++++++++++++++
06 ---++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++
07 -------++++++++++++++++++++++++++++X++++++++++++++++++++++++++++
08 -----+++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++
09 ----------+++++++++++++++++++++++++++X++++++++++++++++++++++++++
10 -----+++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++
11 --------++++++++++++++++++++++++++++X+++++++++++++++++++++++++++
12 ---++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++
13 -------++++++++++++++++++++++++++++X++++++++++++++++++++++++++++
14 -----+++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++
15 ------+++++++++++++++++++++++++++++X++++++++++++++++++++++++++++

NW0

0000000000111111111122222222223333333333444444444455555555556666
0123456789012345678901234567890123456789012345678901234567890123
00 ---++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++
01 -------++++++++++++++++++++++++++++X++++++++++++++++++++++++++++
02 ----++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++
03 ---++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++
04 --+++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++
05 ------+++++++++++++++++++++++++++++X++++++++++++++++++++++++++++
06 ---++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++
07 ------+++++++++++++++++++++++++++++X++++++++++++++++++++++++++++
08 ------+++++++++++++++++++++++++++++X++++++++++++++++++++++++++++
09 ----------+++++++++++++++++++++++++++X++++++++++++++++++++++++++
10 -----+++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++
11 --------++++++++++++++++++++++++++++X+++++++++++++++++++++++++++
12 ---++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++
13 -------++++++++++++++++++++++++++++X++++++++++++++++++++++++++++
14 ----++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++
15 ------+++++++++++++++++++++++++++++X++++++++++++++++++++++++++++

WRDQW0

0000000000111111111122222222223333333333444444444455555555556666
0123456789012345678901234567890123456789012345678901234567890123
00 +++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++++-
01 +++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++++-
02 +++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++++-
03 ++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++---
04 +++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++-----
05 +++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++++-
06 +++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++-----
07 +++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++++-
08 ++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++----
09 +++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++++-
10 +++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++++-
11 +++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++++-
12 +++++++++++++++++++++++++++++++X++++++++++++++++++++++++++++++--
13 +++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++++-
14 +++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++++-
15 +++++++++++++++++++++++++++++++X+++++++++++++++++++++++++++++++-


WRDMW0 00000030
WRDMW0 00000030


ADDR

0000000000111111111122222222223333333333444444444455555555556666
0123456789012345678901234567890123456789012345678901234567890123
00 ++++++++++++++++++++++++++++S++X++++++++++++++++++++++++++++++++

Decompressing...done

CFE for Foxconn Router R6250 version: v1.0.16
Build Date: Thu Dec 12 13:07:44 CST 2013
Init Arena
Init Devs.
Boot up from NAND flash...
Boot partition size = 262144(0x40000)
DDR Clock: 533 MHz
Info: DDR frequency set from clkfreq=800,*533*
et0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 6.37.15.7 (r437571)
CPU type 0x0: 800MHz
Tot mem: 262144 KBytes

Device eth0: hwaddr 00-EF-DB-B2-C9-41, ipaddr 192.168.1.1, mask 255.255.255.0
gateway not set, nameserver not set
Checking crc...Invalid boot block on disk
Device eth0 has been deactivated.
Device eth0: hwaddr 00-EF-DB-B2-C9-41, ipaddr 192.168.1.1, mask 255.255.255.0
gateway not set, nameserver not set
Start TFTP server
Reading ::
Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 7209
Location: Columbus, Ohio

PostPosted: Tue May 22, 2018 21:25    Post subject: Reply with quote
That’s not jtag, that’s serial. Any ping responses? Have you set a static ip on your pc?
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Dry
DD-WRT Novice


Joined: 06 May 2018
Posts: 12

PostPosted: Tue May 22, 2018 21:52    Post subject: Reply with quote
Malachi wrote:
That’s not jtag, that’s serial. Any ping responses? Have you set a static ip on your pc?


Yes router pings and gives TTL = 100
But after flashing firmware by tftp , the green LED just flashes, and the console outputs:

Start TFTP server
Reading ::

Reading :: Done. 9965626 bytes read
Board ID : HDR0
Image ID : U12H245T00_NETGEAR
Reading ::

And nothing happens, waited 10 minutes
Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 7209
Location: Columbus, Ohio

PostPosted: Wed May 23, 2018 0:07    Post subject: Reply with quote
That's not the right boardid.
_________________
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Dry
DD-WRT Novice


Joined: 06 May 2018
Posts: 12

PostPosted: Wed May 23, 2018 8:40    Post subject: Reply with quote
Malachi wrote:
That's not the right boardid.


And how it can be changed board id?
Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 7209
Location: Columbus, Ohio

PostPosted: Wed May 23, 2018 9:29    Post subject: Reply with quote
Google, but usually if the boardid doesn't match the id of the firmware you get. Message in putty.
Wait till someone else chimes in. Maybe Sploit.

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Dry
DD-WRT Novice


Joined: 06 May 2018
Posts: 12

PostPosted: Wed May 23, 2018 11:13    Post subject: Reply with quote
I tried input this command

CFE> burnboardid U12H245T00_NETGEAR
Invalid command: "burnboardid"

*** command status = -1
CFE> nvram erase
*** command status = 0

CFE> nvram show
boardrev=0x1110
et0macaddr=00:ec:dd:b5:c3:42
boot_wait=off
watchdog=3000
et0mdcport=0
pmon_ver=CFE 6.37.15.7 (r437571)
vlan2ports=4 5u
gpio0=usbport1
sromrev=8
boardtype=0x0646
et1macaddr=1c:c5:f9:bc:61:9b
lan_netmask=255.255.255.0
vlan2hwname=et0
xtalfreq=1250
nvram_space=65536
boardflags2=0x00000000
board_id=HDR0
cfe_version=v1.0.16
wait_time=3
clkfreq=800,533
lan_ipaddr=192.168.1.1
vlan1hwname=et0
sdram_config=0x0146
vlan1ports=0 1 2 3 5*
boardflags=0x00000110
sdram_refresh=0x81c
wandevs=et0
sdram_ncdl=0
et0phyaddr=30
landevs=vlan1 wl0 wl1
sdram_init=0x0000
boardnum=679
pcie_force_gen1=on
size: 619 bytes (64917 left)
*** command status = 0
Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 7209
Location: Columbus, Ohio

PostPosted: Wed May 23, 2018 11:59    Post subject: Reply with quote
If you type help at the cfe prompt, you’ll see burn boardid is not a valid command.
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