Got my D550 back. Came with T-MSV4AUSC. Rooted.

[LLStarks]

http://pastebin.com/UAZDmX1j

1198282
20089999

And I'm in.

I know the MSV and MST are different, but I'm going to slap myself if stock firmware (which I had stupidly upgraded) for the MST variant had drop-dead easy serial access too.

[juusso]

Rooted means unrestricted console, right?
Aha... strange, shell unlocked by default. Lucky

Needed more research. How about to run Samygo extensions?

@arris, do we have ones for this tv...?

[LLStarks]

1198282 unlocks the console. So, not exactly unlocked by default.

I'm happy to provide whatever you guys need. I'm sure you have a better idea of interesting things that need to be looked at than I do.

[juusso]

I think we need full dump of your TV, especially kernel. As we have unrestricted symbol input over ExLink, we can check patch for other mstar devices.
One is interesting, this firmware is to be downloaded together with T-MST4AUSC as one archive.

[LLStarks]

Yup. MST4 and MSV4 are always packaged together.

Any recommendations on how I should dump everything?

[juusso]

dumping:

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bml.dump /dev/bml0/x /dtv/usb/sda1/bml_x.dmp

where x is partition number and check is here usb mounted as sda1.

If bml.dump not exists here, you can use cat:

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cat /dev/bml0/x > /dtv/usb/sda1/bml_x.dmp

List of available partitions by command (check it first and show us..)

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cat /proc/partitions

[LLStarks]

bml.dump is present

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major minor  #blocks  name

 139        0     128000 tfsr0/c
 139        1        128 tfsr1
 139        2        256 tfsr2
 139        3        128 tfsr3
 139        4        256 tfsr4
 139        5       4096 tfsr5
 139        6       3584 tfsr6
 139        7        128 tfsr7
 139        8        128 tfsr8
 139        9        128 tfsr9
 139       10       6272 tfsr10
 139       11      11264 tfsr11
 139       12      30720 tfsr12
 139       13      30720 tfsr13
 139       14      25600 tfsr14
 139       15      14592 tfsr15
 137        0     128000 bml0/c
 137        1        128 bml1
 137        2        256 bml2
 137        3        128 bml3
 137        4        256 bml4
 137        5       4096 bml5
 137        6       3584 bml6
 137        7        128 bml7
 137        8        128 bml8
 137        9        128 bml9
 137       10       6272 bml10
 137       11      11264 bml11
 137       12      30720 bml12
 137       13      30720 bml13
 137       14      25600 bml14
 137       15      14592 bml15
 138       10       4736 stl10
 138       11       9728 stl11
 138       12      29696 stl12
 138       14      24576 stl14
 138       15      13056 stl15
   8        0    1006592 sda
   8        1    1005857 sda1

[LLStarks]

The Mstar Busybox binary seems to work. Haven't really played around beyond that.

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Linux (none) 2.6.30.9 #176 PREEMPT Wed Jul 20 11:22:31 KST 2011 mips GNU/Linux