Rockbox General > Rockbox General Discussion

Rockbox as mobile phone soft?

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RavMahov:
Thanks for info :) Off-topic, why wiki died?

Jennifur:

--- Quote from: RavMahov on May 23, 2010, 11:50:53 AM ---Thanks for info :) Off-topic, why wiki died?

--- End quote ---

Not really sure why, but the wiki isn't the only thing that has died. The main site, wiki, SVN, irc logs are all not working.

I might try and dig up the tech manuals for the phone later. Just to let you know, I do not own this phone, so I can't really help with porting rockbox to it. Trying to find information about it on the other hand is something I can do.

EDIT:

I found a disassembly guide for the phone. You can grab it here: http://www.mediafire.com/?mm1i52wmuml

RavMahov:
Wow, I wonder that I won't disappoint you :)

torne:

--- Quote from: Jennifur on May 23, 2010, 11:03:49 AM ---I've flashed a phone or two. The actual flashing of the phone isn't all that hard. Getting the firmware and the tools may be a problem. Not every phone has the OF available for it. You also run the risk of bricking the device if things do go wrong, but this is also true of other devices rockbox runs on.

Also, I think I have found the OF of the phone. It is here http://www.badongo.com/file/2285739

--- End quote ---
I didn't say it was difficult to flash, I said the mechanism was probably secure. It doesn't matter how easy it is to flash a different version of the phone's firmware if it only accepts signed binaries. Regulatory bodies don't like handsets where it's possible for people to run arbitrary code that can control the radio.

So, before there's any point in trying to work out how to actually port Rockbox, you need to demonstrate that it's possible to run arbitrary code on the phone. Some smartphones allow it because their radios are driven by a seperate processor, but no "normal" phone has a seperate processor for it, they run their application UI on the same chip as the radio stack.

Jennifur:

--- Quote from: torne on May 23, 2010, 02:51:05 PM ---
--- Quote from: Jennifur on May 23, 2010, 11:03:49 AM ---I've flashed a phone or two. The actual flashing of the phone isn't all that hard. Getting the firmware and the tools may be a problem. Not every phone has the OF available for it. You also run the risk of bricking the device if things do go wrong, but this is also true of other devices rockbox runs on.

Also, I think I have found the OF of the phone. It is here http://www.badongo.com/file/2285739

--- End quote ---
I didn't say it was difficult to flash, I said the mechanism was probably secure. It doesn't matter how easy it is to flash a different version of the phone's firmware if it only accepts signed binaries. Regulatory bodies don't like handsets where it's possible for people to run arbitrary code that can control the radio.

So, before there's any point in trying to work out how to actually port Rockbox, you need to demonstrate that it's possible to run arbitrary code on the phone. Some smartphones allow it because their radios are driven by a seperate processor, but no "normal" phone has a seperate processor for it, they run their application UI on the same chip as the radio stack.

--- End quote ---

I know this, but first step is to get a hold of the firmware and see if we can decrypt it. Other devices rockbox will run on also checked for signed binaries. If I do remember correctly, the Gigabeat and iPod do check.

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