sb5120 boot file to debrick

This is JTAG to debrick any JTAG device. Modem, cable boxes, dish boxes routers.
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Newb
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sb5120 boot file to debrick

Post by Newb »

does anyone have sb5120 boot file so i can try to debrick sb5120?
TIA
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MrRogers
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Post by MrRogers »

Newb wrote:does anyone have sb5120 boot file so i can try to debrick sb5120?
TIA
Not to sound rude, but the SB5120 cannot be hacked so why would you attempt messing with it? I understand if you are just curious and want to see what "you" can do, but don't risk it if you can't fix it.

My advice, make a backup next time around and this will be a lesson learned.

I do not personally have a boot file for the 5120 but what I will do is look around for you and post back accordingly.
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MrRogers
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Post by MrRogers »

This is all I could find for you, you may need to hex edit the header to change it from .p7 to .bin file. But hopefully it works, otherwise I recommend asking a friend for their 5120 backups.

Code: Select all

http://www.megaupload.com/?d=E3JC8DK2
I JTAGGED your mom.
I was told that there is no such thing as a free lunch, I then learned through personal experience that the best things in life ARE FREE - Me

WE ARE ANONYMOUS, EXPECT US.

All posts/topics that I post in are completely hypothetical in real life and should not be taken seriously.
Newb
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Joined: Mon Jan 31, 2011 1:34 pm

Post by Newb »

MassModz wrote:This is all I could find for you, you may need to hex edit the header to change it from .p7 to .bin file. But hopefully it works, otherwise I recommend asking a friend for their 5120 backups.

Code: Select all

http://www.megaupload.com/?d=E3JC8DK2
thanks i will try it. i had a backup but i didnt backup the boot:(.
i wanted to dump the backup to this box to see what would happen. no hacking.
in the instructions it says to disable watchdog by "Create file named 5120p.usp" i didnt understand what file to make? and where to place it. so i tried to dump it without disabling WD, it got stuck half way and now no lights.
Everything I say is hy·po·thet·i·cal!
Everything I say I do Is hy·po·thet·i·cal!
I do this to exercise my deficient brain:cool:
buzzybuzzard
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Posts: 72
Joined: Tue Jan 25, 2011 7:52 pm
Location: Jax FL

Boot is in the 2mb Dump

Post by buzzybuzzard »

USB JTAG > Downloads > Firmware Bank > Cable Modem firmware
SB5120 Backup.

You have the boot in the 2mb dump here, do the kill watchdog thing
reset
detect
program
You have to get a flash detect
ldram 90000000 (Select the 2mb dump)
speed 2
erase boot (or 90000000 10000)
sprogram boot (or 90000000 10000)
cmpram boot

2mb dump= 90000000 200000

Boot =90000000 10000

u can use the tabs or the addresses above
moddog
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Post by moddog »

Why you ppl killing off your self with this junk and there is no hack firmware for it. There is other modem that have hack firmware that work same way an even better:rolleyes:
Good better best
buzzybuzzard
Junior Member
Posts: 72
Joined: Tue Jan 25, 2011 7:52 pm
Location: Jax FL

5120

Post by buzzybuzzard »

a cloned 5120 has some advanage in that the watchdog will block clone detect or firmware push from the isp its is hard for the isp to unprovision a 5120 so cloning one is not all bad and there is a bunch of provision dumps around he is just trying to un brick one he has
Newb
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Posts: 115
Joined: Mon Jan 31, 2011 1:34 pm

Post by Newb »

thanks for help!
got it to fix bad box

buzzybuzzard wrote:USB JTAG > Downloads > Firmware Bank > Cable Modem firmware
SB5120 Backup.

You have the boot in the 2mb dump here, do the kill watchdog thing
reset
detect
program
You have to get a flash detect
ldram 90000000 (Select the 2mb dump)
speed 2
erase boot (or 90000000 10000)
sprogram boot (or 90000000 10000)
cmpram boot

2mb dump= 90000000 200000

Boot =90000000 10000

u can use the tabs or the addresses above
Everything I say is hy·po·thet·i·cal!
Everything I say I do Is hy·po·thet·i·cal!
I do this to exercise my deficient brain:cool:
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