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Unrevoked team: Incredible Root process

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By Shadowmite, Senior Member on 10th June 2010, 03:57 AM
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I will add more to this as we get further, thanks go to the Unrevoked devteam!

While this method is now public, we are working on other methods still, but this will be useful to folks in the meantime. While we still do not understand the first adbd race entirely, we do know that there are some key differences in system timing seemingly from sdcard (mmc1), wifi (uses mmc0), and emmc (uses mmc2). If frustrated you may try doing things to change your setup.

Instructions here:

http://www.unrevoked.com/rootwiki/do...db_in_recovery

Advanced instructions:
Code:
<6>[    5.326202] mmc1: Slot status change detected (0 -> 1)
...Bluetooth and wifi begin to load...
<6>[    5.481384] mmc1: new high speed SD card at address ff0e
<6>[    5.490112] warning: `adbd' uses 32-bit capabilities (legacy support in use)
<6>[    5.491027] mmcblk1: mmc1:ff0e SD02G 1.83 GiB
That is what a good dmesg will look like. please do a dmesg in android (not recovery) and see where you find those similar strings in yours. notice the numbers, 5.49 seconds is when adbd started roughly, a sd read was toggled at about the same time as you see, this means you win! Please look at yours and calculate how long a delay your sd card needs... then reseat it and try to hit that window...

NOTE: SD card choice seems to be a important factor in whether you get adb in recovery, in general the slower and crummier the card, the better.

The key is getting adb working in recovery. There is as of yet no easy way. reboot recovery, or reboot bootloader and go into recovery. try try try again...

To explain the method a little, there are 2 races here. It would be wise not to update any further if you get this, as they will most certain plug both our holes here. But in general the first race is in recoveries starting. It starts adbd, but also stops it. If for whatever reason the start takes longer than the stop, we win. The second race should be obvious looking at the instructions, but in short it verifies the real OTA update, while we swap it with a special one...

Pic: http://i.imgur.com/aWqBM.jpg
Last edited by Shadowmite; 15th June 2010 at 12:45 AM.
 
 
10th June 2010, 04:00 AM |#2  
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been watching the whole thing.. still lots to work out.. hope they can get it to stick..
10th June 2010, 04:00 AM |#3  
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Congratulations. It's good to hear there is progress.
10th June 2010, 04:02 AM |#4  
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Re: 1 root, don't get excited
Yay!! Congratulations!!!

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10th June 2010, 04:06 AM |#5  
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I've set the IRC channel to mute since were being flooded and progress is still being made. You can watch for now but all discussions on the subject will have to be limited to ##droidincredible for now.
10th June 2010, 04:18 AM |#6  
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any chance you wanna drop a hint on the method? or pm if not ready for public pretty pretty plz with a cherry?

saw one today, woulda been nice to get apps workin for the cust

edit: many thanks shadowmite and team! brilliantly executed
Last edited by ¿kernelpanic?; 10th June 2010 at 05:04 PM.
10th June 2010, 04:23 AM |#7  
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The method isnt near perfected. its a random boot in recovery...they are ironing everything out...start flasing back to the before ota people...you know...just in case..
10th June 2010, 04:29 AM |#8  
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Re: 1 root, don't get excited
So very cool

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10th June 2010, 04:30 AM |#9  
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great to hear!
10th June 2010, 04:38 AM |#10  
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GJ guys. Way to go. Congrats. Can't wait for a packaged version. Tried it myself, but kept getting error no matter how many times i tried.
Last edited by psmafia; 10th June 2010 at 02:57 PM.
10th June 2010, 04:48 AM |#11  
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borgey.. how did you make out with your project? hope the phone booted back up..I am Nostradamus on there...

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