[kernel] sch-i535 (s3 verizon) rooted insecure kernels - important info!

AdamLange · Jul 6, 2012

Hi Guys,

Verizon model is protected from flashing unsigned/modified boot.img and recovery.img. Which means there is no known root method as for now for SCH-I535.
Stay tuned for more informations as we are doing research now.

Rooted stock boot.img issue:

<ID:0/008> Firmware update start..
<ID:0/008> boot.img
<ID:0/008> NAND Write Start!!
<ID:0/008> FAIL! (Auth)

CWM Recovery.img flash issue:

<ID:0/003> Firmware update start..
<ID:0/003> recovery.img
<ID:0/003> NAND Write Start!!
<ID:0/003>
<ID:0/003> Complete(Write) operation failed.

Research status: 10%

+ 10% - phone rooted trough system.img tricks -> http://xdaforums.com/showthread.php?t=1756885 (by invisiblek)

ROM analysys:

boot.img -> signed
recovery.img -> signed
system.img -> not signed
cache.img -> not signed

Update [7/7/2012]

News about locked Verizon model is spreading over the websites and main tech-related portals. Hopefully we will get some detailed info soon.

Update [7/7/2012]

It looks like it has been rooted by using system.img trick (system.img is not signed)
http://xdaforums.com/showthread.php?t=1756885
Enjoy! and thanx to invisiblek

good job!

Thanks!

neyenlives · Jul 6, 2012

well brother, i have already run out of thanks for the day, but thanks

have you seen any flash failures in Odin on the GSIII due to battery being in or out? With the Charge you had to have the battery out while entering download mode, then immediately place battery in before flashing or it would fail everytime.

Also, how exactly do you enter download mode for the new guys?

invisiblek · Jul 6, 2012

fails here...

Code:

<ID:0/008> Added!!
<ID:0/008> Odin v.3 engine (ID:8)..
<ID:0/008> File analysis..
<ID:0/008> SetupConnection..
<ID:0/008> Initialzation..
<ID:0/008> Get PIT for mapping..
<ID:0/008> Firmware update start..
<ID:0/008> boot.img
<ID:0/008> NAND Write Start!! 
<ID:0/008> FAIL! (Auth)
<OSM> All threads completed. (succeed 0 / failed 1)

madmaverickmatt · Jul 6, 2012

same hear,

<ID:0/003> Added!!
<ID:0/003> Odin v.3 engine (ID:3)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Initialzation..
<ID:0/003> Get PIT for mapping..
<ID:0/003> Firmware update start..
<ID:0/003> boot.img
<ID:0/003> NAND Write Start!!
<ID:0/003>
<ID:0/003> Complete(Write) operation failed.
<ID:0/003> Added!!
<OSM> All threads completed. (succeed 0 / failed 1)

fail

suggestions?

BungeBash · Jul 6, 2012

Everyone is using the latest Odin provided correct?

akanealw · Jul 6, 2012

Same as the last two posts. Failed twice.

madmaverickmatt · Jul 6, 2012

correct, and teh phone is telling me secure check fail ; boot

neyenlives · Jul 6, 2012

I am going to have to ask again.....what exactly is the process of entering download mode? Do you have to pull and replace the battery at any point in order to avoid failed flashes?

Updating for GSIII

Turn off phone
connect USB cable from PC to phone while holding down volume down button, home button and power button simultaneously until android logo appears
press volume up button
see that Odin detected and connected to the device
flash file using PDA button
profit?

akanealw · Jul 6, 2012

I was unable to get the phone into download mode without the battery in. I tried volume down/power as well as volume down/home/power while plugging in the usb cable. All I ever got was a single vibration but no warning triangle.

neyenlives · Jul 6, 2012

akanealw said:
I was unable to get the phone into download mode without the battery in. I tried volume down/power as well as volume down/home/power while plugging in the usb cable. All I ever got was a single vibration but no warning triangle.

well my description above was based on a previous handset.....so not surprised

silasrye · Jul 6, 2012

I got into Odin download mode by holding volume down, home and power. I had to do it about 3 times before I got it right. However, that was for another purpose, and I have NOT tried to flash this image.

Sent from my SCH-I535 using Tapatalk 2

madmaverickmatt · Jul 6, 2012

Ok what should we see download mode, I see the green Android and it says downloading, I herd some one else say there was a yellow triangle?

Sent from my Xoom using xda premium

neyenlives · Jul 6, 2012

madmaverickmatt said:
Ok what should we see download mode, I see the green Android and it says downloading, I herd some one else say there was a yellow triangle?

Sent from my Xoom using xda premium

it was a yellow triangle on older phones, the green android is correct for the GSIII, that's download mode, how did you enter it? i see above others have done volume down, home and power together....updated my OP

akanealw · Jul 6, 2012

Holding volume down/home/power should bring up the green triangle. Then you press volume up to go into Odin mode.

Sent from my SCH-I535 using xda premium

akanealw · Jul 6, 2012

Sorry jamesnmandy, I misread your earlier posts. I thought you were suggesting other methods, not that you were asking how to get to download mode on the s3.

Sent from my SCH-I535 using xda premium

neyenlives · Jul 6, 2012

akanealw said:
Sorry jamesnmandy, I misread your earlier posts. I thought you were suggesting other methods, not that you were asking how to get to download mode on the s3.

Sent from my SCH-I535 using xda premium

nope, no problem, I found it was probably going to confuse people so i edited it to reflect the correct method for the GSIII, thanks

madmaverickmatt · Jul 6, 2012

Any body having any luck with this method?

Sent from my Xoom using xda premium

AdamLange · Jul 6, 2012

You need to be in download mode, then connect phone , put kernel.tar as PDA and flash.

Report any issues, i dont have this version of phone. It will not break it, in worst case u will need to flash oryginal kernel (which you can take from full stock rom post).

Adam

madmaverickmatt · Jul 6, 2012

Yea that's what I'm doing, is it possible Verizon slid a file check in there?

Sent from my Xoom using xda premium

BungeBash · Jul 6, 2012

So once in download mode, not one has had luck with this root?

[kernel] sch-i535 (s3 verizon) rooted insecure kernels - important info!

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