[Q&A][i9505] Knox Q&A / Discussion Thread - ask questions here! - Galaxy S 4 Q&A, Help & Troubleshooting

Seeing as the thread in the development section is being flooded with questions when its meant to be a development research thread and important info is getting lost amongst all the questions, I thought Id create a Q&A thread for all Knox bootloader 0x1 related questions so that we can try and keep the development thread just for research and testing.
Please feel free to ask any question here and i'll do my best to answer it but hopefully some of the other members who know a bit more will also join in and help answer some of the questions people have.
What we know so far (I think!)
1. Upgrading to newer Samsung firmware will upgrade the bootloader to knox bootloader. this will give an additional 2 lines in download mode about knox status.
2. If the Knox warranty void line says 0x1 then you cannot use knox softwareas your device has been flagged as insecure. By this i mean that if your workplace / company supports bring your own device to work for corporate emails etc and they use knox to keep security your device will not allow this. You are still able to use future samsung firmware releases with the knox flag 0x1. hope this makes sense. sorry for any confusion this has caused!
3. If the knox warranty line says 0x0 knox will work.
4. with the new knox bootloader root will work, however rooting with CFautorootwill trip the knox flag. thanks @DjeMBeY for correcting this point you can use the root method (Root de la Vega) described here for rooting a device with knox bootloader.
5. If you try to downgrade to earlier firmware / bootloader it will set the knox flag to 0x1 i.e. void.
6. once the knox flag gets set to 0x1 there is no way to set it back (that anyone has found yet anyway!)
7. some newer 4.2.2 software that's supplied with the knox bootloader has been repacked by devs to not use the new bootloader and it all works fine you can still keep up to date.
8. I've seen people trying the test build of 4.3 touchwiz without the new knox bootloader sound and wifi does not work. This is no longer the case, see point 12.
9. There seems to be a big question mark as to weather Samsung will allow hardware repairs under warranty with the knox 0x1 flag
10. only seems to affect GT-i9505 at the moment!
11. Software affected thanks to @DjeMBeY
DjeMBeY said:
XXUDMGG was the first one....
The letters changed from XXUB... to XXUD...
XXUB... - BOOTLOADER KNOX FREE
XXUD... - NEW KNOX BOOTLOADER with 0x0 / 0x1
Click to expand...
Click to collapse
12. it is now possible to install custom 4.3 TW roms which have been modified to work without the new knox bootloader, do make sure that they are free from knox bootloader before flashing. Do note also that if you already have knox bootloader flashing anything even these 4.3 custom roms will still trip your 0x1 flag
What knox bootloader looks like in download mode . In this picture Knox warranty is in tact as the flag is 0x0:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
I hope this answers some questions, anyone feel free to correct me and i'll try to keep this OP updated with info as people supply it / discover it.

Nice initiative mate.
Sent from my GT-I9505 using Tapatalk 4

good idea,
This thread Must be splitted because of several models that can be concerned in different aspect. ( I9505 or 9500 and others)
this would avoid misunderstanding or wrong rules to be spread over.
Thanks

Its quite obvious that Samsung are not only trying to control the software we use on our device but also how we obtain it.
I dont see many posts about binary counter recently, because now theres a bigger wall that has been put up.
So you cant even check to see if there has been custom software on your device, because doing so would require root which will trigger the knox crap, permanently.
Its that permanently which i have a problem with, and one i believe Samsung will use to reject a warranty claim in future based on that.
They want OTA and Kies naturally. I mean going back to an older official release bootloader via odin break knox? What the hell Samsung.
The saying you cant have your cake and eat it too applies here. I do read some people of the opinion that its my device and i can do anything i want with it, and Samsung you must now fix it when it breaks.
Anything, really? No, and this is the problem, because running custom software gives you the ability to do this. Not because you did, but because you could have and they probably dont have the resources to prove it with every single warranty claim.
So where does that leave the rest of us? In the same boat because they now have a way to prove you did something naughty, theyre not quite sure what it is except knox warranty void 0x1 (maybe).
Sent from my GT-I9505 using XDA Premium 4 mobile app

hi...
I have mh8 btu firmware and Then I root it with CF-Auto root and my knox warranty is 0x1...
my question is: Can I install new official frimware that released from sammobile or samsung-update????
Sent from my GT-I9505 using Tapatalk 4

I just got my new s4 20 mins ago, I've switched it on and it has 4.2.2 MH8 can i use a repacked 4.2.2?
If I cant get root the phone is useless to me as i need to run it in my car with the pioneer appradio arliberator software.

ace_of_spades021 said:
hi...
I have mh8 btu firmware and Then I root it with CF-Auto root and my knox warranty is 0x1...
my question is: Can I install new official frimware that released from sammobile or samsung-update????
Sent from my GT-I9505 using Tapatalk 4
Click to expand...
Click to collapse
Hi,
The new "Official" firmware is not yet available.
Please let us know if you can update.

Hi,
BTW, if anyone is interested what the KNOX thing is all about,check THIS

Does Knox make a person's phone non rootable
Sent from my GT-I9500

malybru said:
Hi,
The new "Official" firmware is not yet available.
Please let us know if you can update.
Click to expand...
Click to collapse
thx for reply...
but if I can't upgrade my phone I perefer to sell it as soon as possible!!!!
how can I know that? :crying:

paras said:
Does Knox make a person's phone non rootable
Sent from my GT-I9500
Click to expand...
Click to collapse
Pretty much yes it will mess with root so it only partly works and voids the warranty at the same time!
Sent from my GT-I9505 using xda premium

ace_of_spades021 said:
thx for reply...
but if I can't upgrade my phone I perefer to sell it as soon as possible!!!!
how can I know that? :crying:
Click to expand...
Click to collapse
Yes I'm afraid there is no way to know at the moment. Only info we have is that people have been able to install the leaked 4.3 build with 0x1 flag already present but it's not finished build so who knows what Samsung will do to it
Sent from my GT-I9505 using xda premium

iamflamez said:
I just got my new s4 20 mins ago, I've switched it on and it has 4.2.2 MH8 can i use a repacked 4.2.2?
If I cant get root the phone is useless to me as i need to run it in my car with the pioneer appradio arliberator software.
Click to expand...
Click to collapse
I loose track of letters and builds. If you turn it off and turn it on holding vol up and go into download mode does the small text at the top mention Knox?
Sent from my GT-I9505 using xda premium

Great idea mate - Subscribed:good:

What's the FIRST ROM that contained the dreaded Knox bootloader?
I used: I9505XXUBMGA_I9505OXXBMH1_I9505XXUBMGA_HOME.tar to flash via Odin, before I knew anything about Knox, and I do not have a Knox flag in Download mode. I have not gone beyond this ROM, as I normally use CyanogenMod.
I have never been able to get a direct answer on this. I am pretty sure (if memory serves) that I9505XXUBMGA_I9505OXXBMH1_I9505XXUBMGA_HOME.tar contains Knox software in the ROM, but the Knox flag does not show up in the Download mode screen. Mine looks like this:
ODIN MODE
PRODUCT NAME: GT-I9505
CURRENT BINARY: CUSTOM
SYSTEM STATUS: CUSTOM
CSB-CONFIG-LSB: 0X30
WRITE PROTECTION: Enable
Does it have a Knox bootloader or does it not?

donalgodon said:
What's the FIRST ROM that contained the dreaded Knox bootloader?
I used: I9505XXUBMGA_I9505OXXBMH1_I9505XXUBMGA_HOME.tar to flash via Odin, before I knew anything about Knox, and I do not have a Knox flag in Download mode. I have not gone beyond this ROM, as I normally use CyanogenMod.
I have never been able to get a direct answer on this. I am pretty sure (if memory serves) that I9505XXUBMGA_I9505OXXBMH1_I9505XXUBMGA_HOME.tar contains Knox software in the ROM, but the Knox flag does not show up in the Download mode screen. Mine looks like this:
ODIN MODE
PRODUCT NAME: GT-I9505
CURRENT BINARY: CUSTOM
SYSTEM STATUS: CUSTOM
CSB-CONFIG-LSB: 0X30
WRITE PROTECTION: Enable
Does it have a Knox bootloader or does it not?
Click to expand...
Click to collapse
Not entirely sure but if it had the Knox bootloader I believe it would say Knox/Knox warrenty somewhere in the list and would be at 0x0 or 0x1 My CSB-CONFIG-LSB is also 0x30 and I am pretty sure I do not have Knox.......

PhoeniX ROM - question
Hi, i am on MGA now and i want to install PhoeniX ROM.
This is knox free so after install can i back for example to MGA ?
Sorry for my bad english and thx

kapiszon53 said:
Hi, i am on MGA now and i want to install PhoeniX ROM.
This is knox free so after install can i back for example to MGA ?
Sorry for my bad english and thx
Click to expand...
Click to collapse
If your current ROM IS knox free and the ROM you are going to is Knox free then yes you should be able to go back without any issues!

It looks like the insurance I took out will come in handy when I accidentally drop my s4 in the bath.......

donalgodon said:
What's the FIRST ROM that contained the dreaded Knox bootloader?
I used: I9505XXUBMGA_I9505OXXBMH1_I9505XXUBMGA_HOME.tar to flash via Odin, before I knew anything about Knox, and I do not have a Knox flag in Download mode. I have not gone beyond this ROM, as I normally use CyanogenMod.
I have never been able to get a direct answer on this. I am pretty sure (if memory serves) that I9505XXUBMGA_I9505OXXBMH1_I9505XXUBMGA_HOME.tar contains Knox software in the ROM, but the Knox flag does not show up in the Download mode screen. Mine looks like this:
ODIN MODE
PRODUCT NAME: GT-I9505
CURRENT BINARY: CUSTOM
SYSTEM STATUS: CUSTOM
CSB-CONFIG-LSB: 0X30
WRITE PROTECTION: Enable
Does it have a Knox bootloader or does it not?
Click to expand...
Click to collapse
Hi,
Knox looks like this:
You do not have it

Related

[Q] Knox and Custom Roms

Hi Folks,
Apologies if this is the wrong place to ask...
I would like to Custom ROM my S4 and have been reading through this thread http://forum.xda-developers.com/showthread.php?t=2447832 about Knox. It would appear Knox hasn't been activated on my phone yet as there's no mention of it in Download mode, here are the details gained from Settings and Download mode:
Android 4.2.2
Baseband: I9505XXUBMF8
Build: JDQ39.I9505XXUBMF8
SELinux: Permissive
Secure Boot Status: Type: Samsung
Device Status: Custom
Odin Mode:
Product Name: GT-I9505
Current Binary: Samsung Official
System Status: Official
CSB-CONFIG-LSB: 0x30
Write Protection: Enable
I am rooted but have used TriangleAway to set status back to official without any problems, my question is am I safe to install Custom ROMS/Kernels without triggering Knox warranty void? If so and I wanted to install a modded Samsung ROM will this still be safe or will it trip Knox?
Thanks for any suggestions, I'm never normally this cautios about flashing, but I really don't want to screw up my warranty.
Many thanks,
R.
If theres nothing about knox warranty 0/0 in download then u are on old bootloader and safe. Dont know about the custom roms I guess stay away from any mh8 mh5 mgg fw. Im pretty sure they are they fw with new bootloader. But just keep searching round.
Sent from my GT-I9505 using xda app-developers app
I've just bought a new S4 and it will arrive to my home in this week.... I hope it will arrive without Knox feature so I'd like to understand too what to do and what to not do in order to prevent Knox problems.
I think I'll flash the Google Edition ROM... any suggestions?
Thanks Buddy

Software update i9192 available now..

INU ver. I9192DDU1BML1
OTA 96.79 MB
Was hoping that the compability with Galaxy Gear would mean 4.3 but w/e. If we will be getting 4.4 Kit Kat directly then that's not bad either.
What is changed? Unable to get OTA since phone is rooted. Have to flash stock ROM, install updates & then root which is a pain in the a$$
EDIT: "You cannot downgrade to the old software after this new software upgrade due to the security reason" DAFUQ? Does that mean KNOX is added now? Oh crap!
Could you please boot into Download Mode and write everything what is in the output?
chemicalrage said:
What is changed? Unable to get OTA since phone is rooted. Have to flash stock ROM, install updates & then root which is a pain in the a$$
EDIT: "You cannot downgrade to the old software after this new software upgrade due to the security reason" DAFUQ? Does that mean KNOX is added now? Oh crap!
Could you please boot into Download Mode and write everything what is in the output?
Click to expand...
Click to collapse
Yep Knox is there
chemicalrage said:
what is changed? Unable to get ota since phone is rooted. Have to flash stock rom, install updates & then root which is a pain in the a$$
edit: "you cannot downgrade to the old software after this new software upgrade due to the security reason" dafuq? Does that mean knox is added now? Oh crap!
Could you please boot into download mode and write everything what is in the output?
Click to expand...
Click to collapse
odin mode
product name : Gt-i9192
current binary : Samsung official
system status : Official
knox kernel lock : 0x0
knox warranty void : 0x0
csb-config-lsb : 0x30
bootloader rp swrev : 1
write protection : Enable
Thanks. Mother [email protected]#kin knox
this update is android 4.3?
Nope... its still 4.2.2
I can confirm compatibility with gear!
Sent from my Nexus 7 using XDA Premium 4 mobile app
Connection symbol changed to H+ from simple H & started facing frequent disconnection.
Any one facing such issue?
what is new with this update ?
i have rooted device so i cant try it out ...and why there is no rooms for our device
kilouhm said:
and why there is no rooms for our device
Click to expand...
Click to collapse
Because there is not enought customer, if you count the number of post about i9192 you will notice that they are rare even though this phone is supposed to have great features.
Be carefull in the case of the new version it's as now impossible to root without setting the knox void warranty flag to 0x1 ==> warranty void
Kiwyxda said:
Because there is not enought customer, if you count the number of post about i9192 you will notice that they are rare even though this phone is supposed to have great features.
Be carefull in the case of the new version it's as now impossible to root without setting the knox void warranty flag to 0x1 ==> warranty void
Click to expand...
Click to collapse
actually i don't care about warranty ...i bought the i9192 cause i don't have the choice to get the other versions in my country....the phone is great i like it so much better then my old xperia sl but the fragmentation from samsung and all these version is get in my mad

[Q] Does rooting void your warranty?

I have galaxy s4 9500... When I had android 4.2.2 I rooted my phone and then
when the 4.3 update roll out I updated my phone and unroot my phone..
When I go to download mode all the stresses are "samsung official"... And no Knox counts...
Do I still have warranty?
hatan88 said:
I have galaxy s4 9500... When I had android 4.2.2 I rooted my phone and then
when the 4.3 update roll out I updated my phone and unroot my phone..
When I go to download mode all the stresses are "samsung official"... And no Knox counts...
Do I still have warranty?
Click to expand...
Click to collapse
Yes, you still have warranty (like in pic attached). Be relaxed :highfive:
*EDIT: You will void ur warranty (KNOX:1) if you root again ur phone having android 4.3.
Joku1981 said:
Yes, you still have warranty (like in pic attached). Be relaxed :highfive:
Click to expand...
Click to collapse
In download mode I see:
"Current Binary: Samsung Official
System Status: Official
Knox Warranty Void: 0
AP SWAEV: A3
"
Can't see "warranty bit"..
And if i flash and put ROM on my galaxy there is no way back right? no Trianle Away or something that support...
hatan88 said:
In download mode I see:
"Current Binary: Samsung Official
System Status: Official
Knox Warranty Void: 0
AP SWAEV: A3
"
Can't see "warranty bit"..
And if i flash and put ROM on my galaxy there is no way back right? no Trianle Away or something that support...
Click to expand...
Click to collapse
You have warranty now. For flash a CUSTOM ROM you need a custom recovery. Installing one custom recovery in android 4.3, void ur warranty
Joku1981 said:
You have warranty now. For flash a CUSTOM ROM you need a custom recovery. Installing one custom recovery in android 4.3, void ur warranty
Click to expand...
Click to collapse
I have one more year of warranty... what would you do?
Right now the phone stuck often and touchwiz is annoying
It really depends in what country you live if you get warranty. In some countries Samsung gives warranty and in some they don't.
And for example if you live in the EU then the shop you bought it from still has to fix it even if you have rooted it.
Lennyz1988 said:
It really depends in what country you live if you get warranty. In some countries Samsung gives warranty and in some they don't.
And for example if you live in the EU then the shop you bought it from still has to fix it even if you have rooted it.
Click to expand...
Click to collapse
I don't think we have it here.....don't know if to give up warranty for CM11 or HaSSan ROM V6.0....
Anyone? I'll be happy to get your recommendations
Once you root the device, you will need to do the following to restore warranty.
1. flash original unrooted firmware.
2. reset flash count.
This is for firmware up to 4.2.2.
If you install 4.3 or 4.4 and KNOX is enabled. rooting will void your warranty permanently.
That is my understanding...

[Q] Knox Trip

Hello,
I want to flash cyanogenmod or any other custom rom on my Galaxy s4. (1 year old)
I'm too scared to trip my knox and void my warranty if it ever breaks.
Is there any way to install a custom rom without tripping it?
Thanks!
No way to install AOSP rom without tripping knox. However, you can install custom touchwiz rom without tripping knox.
we are in the same boat. My warranty has only three months remaining. I will only trip knox if ktoonsez kernel come for official TW lollipop.
ha966 said:
Hello,
I want to flash cyanogenmod or any other custom rom on my Galaxy s4. (1 year old)
I'm too scared to trip my knox and void my warranty if it ever breaks.
Is there any way to install a custom rom without tripping it?
Thanks!
Click to expand...
Click to collapse
I tripped knox 2 months after purchase.
Chances are low that a brand new device malfunctions. Even so, there are reported cases where people who tripped knox said that they were still able to send the device to be serviced in warranty conditions.
I'm going to try it, I will let you guys know if it worked.
Flashed cyanogenmod, works like a charm.
I have 0x1 but that seems that i still have warranty.
ha966 said:
Flashed cyanogenmod, works like a charm.
I have 0x1 but that seems that i still have warranty.
Click to expand...
Click to collapse
Your warranty is void.
ha966 said:
Hello,
I want to flash cyanogenmod or any other custom rom on my Galaxy s4. (1 year old)
I'm too scared to trip my knox and void my warranty if it ever breaks.
Is there any way to install a custom rom without tripping it?
Click to expand...
Click to collapse
You cannot flash cyanogenmod (or other AOSP roms), but you can flash other Samsung-based custom roms without tripping knox.
The method is quite complex though. Generally you have to downgrade your kernel, root with towelroot, use Mobile Odin Pro to flash a new rom preserving root, update bootloader to have wifi.
The risk of mistakes is quite high.
But if you want to have a deeper look, jump here
As you will see the first step is rooting without tripping knox, which is already a challenge.
Once you achieve that, you will find that root gives you already enough mod opportunities, so you may not feel the need to flash custom roms.
khsh97 said:
Your warranty is void.
Click to expand...
Click to collapse
Incorrect. He lives in the Netherlands. Tripping knox never voids your warranty in the Netherlands. Samsung made an official statement about it.
It depends entirely in which country you live. In the EU for example, tripping Knox can never void your consumer rights.
Lennyz1988 said:
Incorrect. He lives in the Netherlands. Tripping knox never voids your warranty in the Netherlands. Samsung made an official statement about it.
It depends entirely in which country you live. In the EU for example, tripping Knox can never void your consumer rights.
Click to expand...
Click to collapse
That is awesome. But as far as I know Samsung are not the ones who will handle the warranty, but the store from where you bought it the phone.
I bought mine from DOMO (an electronics store here in my country), which means that they will handle the warranty, not Samsung.
Either way, warranty is void once you temper with the software (rooting and changing roms), it is even stated in the "Warranty will be void if" clause. Unless you change back to stock before sending it in.
GDReaper said:
That is awesome. But as far as I know Samsung are not the ones who will handle the warranty, but the store from where you bought it the phone.
I bought mine from DOMO (an electronics store here in my country), which means that they will handle the warranty, not Samsung.
Either way, warranty is void once you temper with the software (rooting and changing roms), it is even stated in the "Warranty will be void if" clause. Unless you change back to stock before sending it in.
Click to expand...
Click to collapse
Samsung gives warranty to their product. They do that freely. But that's completely separate from your consumer rights.
The store where you bought it from has a legal obligation to fix the phone within a certain period of time. You can even pull the device apart, put it back together and you still have your rights. As longs as the fault is not caused by you. I'm talking about countries within the EU. The warranty void message has absolutely zero consequences.
Compare it with a pc. You can reinstall Windows, install a different Windows version, install Linux and when your motherboard breaks down, it will never void your warranty because you installed different software.
So you basically have two options. You can send it directly to Samsung or send it to the store you bought it from.
In the Netherlands Samsung made an announcement that tripping Knox, flashing your phone will NEVER void your warranty. Even if you manage to brick it, they will fix it free of charge.
Hello,
I am new to samsung and knox and really I am lost with so much information specially because I have a original version.
I have a i9505 without any upgrade, so I still have the Apr 12 kernel with I understand doesn't have knox.
Can I install any custom rom?
Can I then revert back to stock? And to stock without knox?
If I install custom roms in the forum they will upgrade my kernel and knox will be installed?
What is the best approach to continue knox free?
Thanks
Custom roms or GPE roms are your best bet if you want knox free roms.
Better upgrade to the latest software and root, then install a custom rom.
If you want stock without knox, you can install a knox-free (knox has been removed by the dev) touchwiz rom.
Thanks for replying.
If I upgrade the software first it will also upgrade the kernel to a version with knox with I will not be able to remove again. Isn't correct?
If I install a custom rom will it also upgrade my kernel to a version with knox?
filtragem said:
Thanks for replying.
If I upgrade the software first it will also upgrade the kernel to a version with knox with I will not be able to remove again. Isn't correct?
If I install a custom rom will it also upgrade my kernel to a version with knox?
Click to expand...
Click to collapse
1) Yes.
2) Kernel has nothing to do with knox. Knox is in the bootloader and the rom. Custom roms do not upgrade your bootloader.
So what is the advantage of upgrading first?
Isn't best to install a custom rom as is without having knox even close to my phone?
My previous question about returning to stock was if I need to send my phone for repair (I am still on warranty) can I be stock again but remain knox free, after installing a custom rom?
Thanks and sorry for probably so basic questions
Please read this thread and gain knowledge from Chainfire (developer of CF-Auto-root, SuperSU). Many of the questions asked have answer there.
http://forum.xda-developers.com/showthread.php?p=45666586
AFAIK from reading the referenced thread only Knox-apps and libs are removed. That isn't truly Knox-free when bootloader is still holding the Knox features.
Even Chainfire hasn't been able to remove Knox.
Please give example what custom ROM is truly Knox free.
Lennyz1988 said:
Incorrect. He lives in the Netherlands. Tripping knox never voids your warranty in the Netherlands. Samsung made an official statement about it.
It depends entirely in which country you live. In the EU for example, tripping Knox can never void your consumer rights.
Click to expand...
Click to collapse
what about Asian countries?
O-T said:
Please read this thread and gain knowledge from Chainfire (developer of CF-Auto-root, SuperSU). Many of the questions asked have answer there.
http://forum.xda-developers.com/showthread.php?p=45666586
AFAIK from reading the referenced thread only Knox-apps and libs are removed. That isn't truly Knox-free when bootloader is still holding the Knox features.
Even Chainfire hasn't been able to remove Knox.
Please give example what custom ROM is truly Knox free.
Click to expand...
Click to collapse
Thanks, I will read it.
I don't know if any custom rom is knox free.
I am still knox free because I have an old bootloader, and didn't install any update.
It's possible to install a new rom without updating the bootloader?
If I install a CM rom will it install a bootloader with knox? If not, can I later reinstall a samsung rom with a bootloader without knox?
filtragem said:
Thanks, I will read it.
I don't know if any custom rom is knox free.
I am still knox free because I have an old bootloader, and didn't install any update.
It's possible to install a new rom without updating the bootloader?
If I install a CM rom will it install a bootloader with knox? If not, can I later reinstall a samsung rom with a bootloader without knox?
Click to expand...
Click to collapse
Any version CM/AOSP rom don't include bootloader or modem/non-hlos firmware as @GDReaper reply 2). Most Deodexed TouchWiz (TW-based) usually neither. Mind there can be exceptions for TW-based roms.
CWM or TWRP recovery isn't the same as bootloader hence it don't trip Knox.
I had previously CWM 6051, changed to TWRP 2840 and CM11. Updated to complete Samsung stock 501 lollipop directly from that state using PC Odin 3.07. Recovery back to stock and unrooted in one single Odin flash with preserved state Knox 0x0. Phone is GT-I9295 hardware 95% identical to GT-I9505 (some buttons +screen/camera difference).
Downgrade to Samsung TouchWiz rom with Knox-free bootloader =< MH1 when bootloader is newer (N** =kitkat or O** =lolipop) will trip Knox. Because Knox featured bootloader can't be downgraded without trip 0x1.
Updating to any Samsung TouchWiz rom with bootloader don't trip Knox.
Find version:
ADB or Terminal command: getprop ro.bootloader
It's common to press XDA Thanks Button sometimes.

Got confused about Note 3 and Knox current situation

So guys, i got a little bit confused about knox 0x0 - 0x1 - root - custom roms etc.
I own a note 3, when it was with kitkat i've installed twrp through odin and got "knox 0x1 (1)" then i went with official lollipop firmware, and now i've reflashed twrp for installing cm12.1 getting knox 0x1 (2). From what i understand, there is no way to revert knox to 0x0, isn't it?
If i had a brand new note 3 with lollipop and knox 0x0 could I install custom roms without tripping it? or even get root permissions on the stock rom?
what also keep me confused is: why there are so many alert in the note 3 section on xda about tripping knox while in the s5/s6/note4 sections everything seems to be much easier? can you please explain me?
PS: execuse me if i've had not been so clear but english is not my first language
Nope, the device's virginity is lost, that baby is done, unless you have the Exynos version, where KNOX status could be reset
Thanks for answering. So i got a friend that would like to install the cm12.1 on his knox 0x0 N9005. will he trip it?
Not much idea mate. But I think there is a possibility that he might not trip it, at least I have seen something like that. Obviously the standard method of flashing a ROM via Odin or or from custom recovery will trip it, but I think there's a way to avoid that, not the usual way of course. You might ask to those who have already done it, or in the CM topic itself, if there is one.

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