[i337M] Root - Custom Recovery without triggering Knox Warranty Void - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

Hi guys
I have a i337m from Tigo Colombia and I were looking for a way to install CM11 in it no matter if warranty was voided
In the process I found out that after installing CM11 my knox warranty void still is 0x0. I don't know if this is true for all i337m or I was lucky somehow, anyway here are the steps I made for having CM11:
1. Root with towel root
- Go to www.towelroot.com
- Click the lambda symbol
- Install the apk
- Click "Make it ra1n"
- Now you're rooted. Check looking for SuperSU app and update it
2. Install Recovery: I tried to install CWM from .img with heimdall in Linux and with proper file in Odin in Windows, both cases failed as you can see here [1], looking for answers I end up installing ROM Manager app.
- Install ROM Manager app from Google Play
- Run the app / give root permissions
- Click on install new recovery and select jfltecan (I first installed normal recovery, after donate for get the touch one and support the devs). I selected ClockWorkMod 3.x (the version of CWM installed is 6.0.4.7)
- Reboot to recovery from app and made a Nandroid to starting to mess with the device
Entering to recovery I see: RECOVERY IS NOT SEANDROID ENFORCING
After reboot I see a message in red that says: KERNERL IS NOT SEANDROID ENFORCING
And when I went to download mode I see this:
Code:
Product name: SGH-I227M
Current Binary: Samsung Official
System Status: Official
Knox Kernel Lock: 0x0
Knox Warranty Void: 0x0
CSB-Config-LSB: 0x30
Write Protection: Enable
eMMC Burst Mode: enabled
And attached you can find the pictures that probe it
I hope this can help anyone that wants to get custom ROMs on his/her i337M
[1] http://forum.xda-developers.com/galaxy-s4-att/help/s4-i337m-help-installing-custom-recovery-t2887774

Good guide.
I must admit I didn't read the m after your i337 and got slightly excited.
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app

kirbee213 said:
Good guide.
I must admit I didn't read the m after your i337 and got slightly excited.
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app
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Sorry for the false alarm, maybe this works for AT&T variation as well but I need more info from i337M owners to see if this can be considered as a guide or just my particular experience

Will this method work on a Candian Model? Our S4 model is also i337m, anyone from canada tried this? I don't want to trip my know counter cause i just got my phone

fatbuccha said:
Will this method work on a Candian Model? Our S4 model is also i337m, anyone from canada tried this? I don't want to trip my know counter cause i just got my phone
Click to expand...
Click to collapse
I think we import Canadian models so this should work. Anyway I'm wondering if I just have luck or really is a way to achieve flashing custom ROM's without trip the warranty void counter or if our model just don't trigger the counter at all

You can trigger it. I have i337m and my Knox flag is tripped. Custom Roms now tho
Sent from my SGH-I337M using XDA Free mobile app

Psykologikal said:
You can trigger it. I have i337m and my Knox flag is tripped. Custom Roms now tho
Sent from my SGH-I337M using XDA Free mobile app
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Click to collapse
Then I was lucky or this can be a method to avoid trigger the counter. As you see in the pictures of OP, I have CWM, CM11 flashed and 0x0 (Official Samsung software appears there on download mode too).

Related

Root de la Vega (doesnt trigger knox) possible to port N900/N9005

UPDATED POST:
Hello,
As @Dumbo53 has mentioned below posts, there is a root method by the developer @designgears and it seems that this root method does NOT trigger the knox flag.
Unfortunately, it is just for the AT&T Note 3 devices.
Maybe someone could port this root method for our international N900 and N9005 model devices?
Root de la Vega:
http://forum.xda-developers.com/showthread.php?t=2474422
----------------------------------------------------
Hello there,
I wanted to share something from Chainfire's Auto-Root thread.
Chainfire has mentioned:
Using this root method sets current binary and system status to custom. Additionally, it will also trigger the KNOX warranty void status.
This device store the traditional flash counter. Nor is is possible with Triangle Away to reset the current binary status. You will need to flash a stock kernel and stock recovery to reset the binary status.
The KNOX warranty status change is permanent, and a service center may deny warranty based on this flag - even if the other flags are reset correctly. The KNOX flag being tripped may also prevent certain Samsung KNOX features from working (enterprise security features).
If this is something you care about, use a root method not based on custom kernels or recoveries, like a modified system partition. These are possible, but I don't personally make them, so look around!
Click to expand...
Click to collapse
So my question is simple:
Is there any talented developer who can look at the system partition on the devices N900/9005 and somehow to look if he can modify it to root without triggering the knox counter. Iaw chainfire's post, it seems to be possible, but we need a talented developer to look for this
I would be really so happy, if it can be done this way...
No because if you do anything you alter the md5 checksum m8 and knox watch this
Sent from my SM-N9005 using Tapatalk 4
BlueChris said:
No because if you do anything you alter the md5 checksum m8 and knox watch this
Sent from my SM-N9005 using Tapatalk 4
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Click to collapse
I was talking according to Chainfire, dude. He just showed us that there could "may be" a way to root without knox would recognise this.
I think may be knox watches only the bootloader and recovery situation (if it is custom or official).
Chainfire's root method includes to flash first insecure recovery and after root flashes back the official recovery. During this process knox recognise the shortly time with the insecure recovery and the counter goes to 0x1. But iaw Chainfire's post, i think if someone could root without touching the recovery or kernel, it could be possible not to trigger the knox during the root process.
I don't think we will have a way to bypass it. I think once you get root it will still trigger it.
Funny how this is something from an Android device and not an iDevice.
Guess Samsung got tired of fixing devices after someone oc the hell out of it!
Sent from my SM-N9005 using XDA Premium 4 mobile app
There already is a root method that doesn't trigger the Knox flag by designgears, but as of now only for At&t Note 3 (Root de la Vega). It however only gives root, not a custom recovery. There are already people begging him to port it to other devices and he seems to be willing to do them one by one.
Sent from my SAMSUNG-SGH-I317
Dumbo53 said:
There already is a root method that doesn't trigger the Knox flag by designgears, but as of now only for At&t Note 3 (Root de la Vega). It however only gives root, not a custom recovery. There are already people begging him to port it to other devices and he seems to be willing to do them one by one.
Sent from my SAMSUNG-SGH-I317
Click to expand...
Click to collapse
Thanks mate, i will also look to his thread and beg him for n900
Sounds promising. Don't really need a custom recovery thanks to xposed.
Sent from my SM-N9005 now Free
Knox problem thanks (lovelesss)
we are waiting for n900 please
n900 I want to wait for the Root de la Vega.
What about N9005?
vinokirk said:
What about N9005?
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Click to collapse
+1
Sent from my SM-N9005 using Tapatalk 4
vinokirk said:
What about N9005?
Click to expand...
Click to collapse
Yeah I can add N9005 also as request on this topic.
Changing the subject of this thread just a sec
I don't have any information showing Knox flag in Odin mode, Exynos SM-N900. Does this mean my phone doesn't have this flag?

(Request) Note sm-n900 root without voiding warranty

I want root note 3 but I don't want to lose my warranty any solution for this problem
Sent from my SM-N900 using Tapatalk
japjit100 said:
I want root note 3 but I don't want to lose my warranty any solution for this problem
Sent from my SM-N900 using Tapatalk
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2466423
but you cant use cwm or twrp or install a custom rom
This root will void warranty.
Quote form the post you mentioned:
"Flash counters and KNOX warranty
Using this root method sets current binary and system status to custom. Additionally, it will also trigger the KNOX warranty void status.
This device store the traditional flash counter. Nor is is possible with Triangle Away to reset the current binary status. You will need to flash a stock kernel and stock recovery to reset the binary status.
The KNOX warranty status change is permanent, and a service center may deny warranty based on this flag - even if the other flags are reset correctly. The KNOX flag being tripped may also prevent certain Samsung KNOX features from working (enterprise security features). If this is something you care about, use a root method not based on custom kernels or recoveries, like a modified system partition. These are possible, but I don't personally make them, so look around!"
jaythenut said:
http://forum.xda-developers.com/showthread.php?t=2466423
but you cant use cwm or twrp or install a custom rom
Click to expand...
Click to collapse
Omg rly learn to read before you give noobs a wrong answer
He does NOT want to void his warranty
He has to use URDLV
hit 'thanks' if i helped you
SM-N9005 DMJ7 0x0
XDA Developers 4 premium app

KNOX confusion

This KNOX thing is creating too much confusion. Somebody please clear it. Some say that KNOX won't allow us to root ar flash custom kernels n roms. Some are say that KNOX bootloader can be replaced. I am using GT-I9500 (4.3 official, MJ8 build number, not rooted), which i wish to root. What should i exactly do to get rid of knox?
Please help. Thanks
Sent from my GT-I9500 using XDA Premium 4 mobile app
I too am confused with this whole Knox stuff. But from my experience, you can Root and install custom software but it will void your warranty. I'm not sure if it's any different on the 9500 as I've got a 9505 but there is currently NO way to get rid of Knox, once you've got it, you're stuck with it.
Pulse654321 said:
I too am confused with this whole Knox stuff. But from my experience, you can Root and install custom software but it will void your warranty. I'm not sure if it's any different on the 9500 as I've got a 9505 but there is currently NO way to get rid of Knox, once you've got it, you're stuck with it.
Click to expand...
Click to collapse
Maby not ... http://forum.xda-developers.com/showthread.php?t=2504258 and this http://forum.xda-developers.com/showthread.php?t=2510867
you can root after upgrading to knox
you can also install a custom recovery
knox counter (which is not really a counter if my understanding is correct) will increase to 1, meaning you will loose the waranty
so I was running the last S4 official firmware, I root'ed it using CF auto root, then installed philz touch recoveryn than i flashed the goole edition rom from jamal
and of course I lost the waranty, hope I wont need it
philuxe said:
you can root after upgrading to knox
you can also install a custom recovery
knox counter (which is not really a counter if my understanding is correct) will increase to 1, meaning you will loose the waranty
so I was running the last S4 official firmware, I root'ed it using CF auto root, then installed philz touch recoveryn than i flashed the goole edition rom from jamal
and of course I lost the waranty, hope I wont need it
Click to expand...
Click to collapse
So now that i want to root my GT-I9500 (Indian, running 4.3 stock, MJ8 firmware), will CF autoroot work?
Sent from my GT-I9500 using XDA Premium 4 mobile app

Root without tripping knox idea (will not work)

Hawke84 said:
Lots of work went I to finding a solution on S4 when knox first came out including by chainfire with no luck. Also since october people have been trying to root note 4 without tripping knox with no luck.
There is no difference in the system of tripped and not tripped. Soon as anything unsigned or insecure is flashed the bootloader burns the efuse
Sent from my SM-G920F using XDA Premium 4 mobile app
Click to expand...
Click to collapse
As you can see my idea was a bust but here is the original op
Okay, Lets try this here because nobody seems interested in helping in the T-Mobile section.
ThePagel said:
Correct me if I am wrong here, the reason knox is being tripped by cf auto root is because of the way it acquirers root not because it is rooted. With that in mind I would Like to make a tar ball with a pre rooted system.img. To make sure it will have the best possibility to not trip knox and not cause a soft brick I want to use a system dump from a running phone that has only been rooted. I am pretty sure this has worked on every galaxy phone before the s6 and the only reason you don't hear more about it recently is because of the success of towelroot. I am getting this phone on the 1st (so excited) and would like root but want to try samsung pay more.
If you are willing to help I need the following:
Be on a 100% stock samsung bloated system with root (absolutely no tweaked systems I need pure stock with root)
Install supersu into /system (supersu settings)
Make a system.img dump with adb or terminal emulator and upload it for me (as long as you do not dump the data partition no personal data will be dumped)
At this point I will make the tarball and upload it and have the person who made the system dump flash the tarball. If he/she boots up fine I will the need a volunteer who has not rooted and verified that knox has not been tripped on his/her phone to flash it and see if knox still has its warranty. Obviously the volunteer should go into this not caring if knox gets tripped.
To make things completely clear I need the following:
Somebody who knows how to dump with adb/terminal emulator and already rooted
Somebody without a tripped knox warranty who doesn't care if it gets tripped
Click to expand...
Click to collapse
As soon as you flash an unsigned image Knox is going to be tripped.
Lots of work went I to finding a solution on S4 when knox first came out including by chainfire with no luck. Also since october people have been trying to root note 4 without tripping knox with no luck.
There is no difference in the system of tripped and not tripped. Soon as anything unsigned or insecure is flashed the bootloader burns the efuse
Sent from my SM-G920F using XDA Premium 4 mobile app
Drumrocker said:
As soon as you flash an unsigned image Knox is going to be tripped.
Click to expand...
Click to collapse
^^^ This, unfortunately, ends the discussion altogether.
Drumrocker said:
As soon as you flash an unsigned image Knox is going to be tripped.
Click to expand...
Click to collapse
Hawke84 said:
Lots of work went I to finding a solution on S4 when knox first came out including by chainfire with no luck. Also since october people have been trying to root note 4 without tripping knox with no luck.
There is no difference in the system of tripped and not tripped. Soon as anything unsigned or insecure is flashed the bootloader burns the efuse
Sent from my SM-G920F using XDA Premium 4 mobile app
Click to expand...
Click to collapse
CafeKampuchia said:
^^^ This, unfortunately, ends the discussion altogether.
Click to expand...
Click to collapse
Indeed now I get closure, thank you.
So how does safestrap work?
lowspeed said:
So how does safestrap work?
Click to expand...
Click to collapse
Doesn't matter in this instance because you need root to use safestrap. He is pretty open on how safestrap works if you look at his threads and website.
Sorry guys, which signature needs to be applied? I found a guide to sign Windows modded drivers, I don't know if this can be applied here, too...
The real trick is getting it signed. There might be no easy way to do that unless the key method can be replicated to make signed binaries. This could be a samsung proprietery tool. That said I did find an interesting nugget of info hxxp://galaxys4root.com/what-is-binary-counter/ in the comments section.
HI,
I flashed pre rooted firmware 4.2.2 using ODIN on my Samsung I-9500 4.2.2. Then the status is remain same
Binary : Samsung Official
System : Official.
Then I installed Wanam apk to modify the UI, It asked me to download Xposed framework I grant Super user permission. Once It completed I checked the status
Binary : Samsung Official
System : Custom.
I flashed stock firmware 4.2.2 and did the reset factory reset. Then it changed to
Binary : Samsung Official
System : Official.
My question, Is the hidden binary count or knox counter triggered or not ?
If I updated to stock 4.3 Is the Knox Warranty bit 0×0 or 0×1 ?
Please help me.
The rooted aspect only seems to be possible provided nothing in the UI itself is changed? There is a trigger file in the rom. Something that obviously a Wanam install triggers. All that seems to indicate that it might actually be possible to have a pre-rooted rom and install via recovery. But considering the phone model referenced, its possible this particular workaround has been plugged. On the off chance that it has not. It might be the only viable way to do root without tripping knox. I imagine the existing stock roms with root preloaded however trip knox (I saw no indication of that in posts but I did not dig that deep).
If anyone can answer that in the affirmative or negative it might be worth noting. Will knox get tripped on a stock (but pre-rooted) rom?
The point of this thread is to point out something we already know and have known for some time? WTF
shollywood said:
The point of this thread is to point out something we already know and have known for some time? WTF
Click to expand...
Click to collapse
I don't think the OP was aware of all the information when he started the thread. I think the thread title has since been changed.
But yeah, i guess the thread could be closed.

[Noob Question] For KNOX.

Hi,
I just had a noob question I wanted to ask.
"Why can't we just change the KNOX Flag to 0x0, I mean, we are already rooting/tripping KNOX, so why can't we just take it one step further and just modify download mode to change the text that is displayed in download mode to 0x0 instead of 0x1, also why is it not possible to just do that for the system status?" If you can do this, you don't need to reverse the KNOX flag because you can just fake it.
Edit: For the inevitable answers saying that KNOX is a hardware component and therefore can not be changed, I am just asking if you can change the output which displays the state of KNOX, not KNOX itself.
There is an option to change flag to 0x0 from 0x1 but flashing new rom triggers Knox back to 0x1 so it's just visual modification that doesn't make your warranty back. As mentioned, Knox is a hardware component, nothing really can be done here
Sent from my SM-G935F using Tapatalk
You can find all the whitepapers here: https://www.samsungknox.com/en/knox-technology#technical-resources
Download mode is software that is hardcoded into the hardware of the phone that we can not modify. That is why as long as you can access Download mode, you can unbrick your phone.
nuetron said:
You can find all the whitepapers here: https://www.samsungknox.com/en/knox-technology#technical-resources
Download mode is software that is hardcoded into the hardware of the phone that we can not modify. That is why as long as you can access Download mode, you can unbrick your phone.
Click to expand...
Click to collapse
Ok then! 2nd Noob Question! How do boxes such as the Octoplus Box or KNOX RESET PRO (link: http://venus342.com/knoxreset ) work? These things claim that they either don't trip or reset KNOX and do seem to be legit! (But require you to pay)
Sent from my Samsung SM-G935F using XDA Labs
dollar7 said:
There is an option to change flag to 0x0 from 0x1 but flashing new rom triggers Knox back to 0x1 so it's just visual modification that doesn't make your warranty back. As mentioned, Knox is a hardware component, nothing really can be done here
Click to expand...
Click to collapse
How? May you please link it to me! As that is exactly what I think I need! ( I wanted to just enjoy root while keeping Samsung support fooled by the 0×0 Status!)
P.S. Won't it be possible to do this whenever you flash something automatically?
Sent from my Samsung SM-G935F using XDA Labs
https://forum.xda-developers.com/showthread.php?t=3414890
Sent from my SM-G935F using Tapatalk
dollar7 said:
https://forum.xda-developers.com/showthread.php?t=3414890
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Click to collapse
Umm.. That thread closed the free version and is only offering the paid version through the website. (I would prefer free!)
Sent from my Samsung SM-G935F using XDA Labs

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