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Knox, Bootloaders, Samsung Pay, AT&T--- HELP!

I just pre-ordered my ATT S6 and I've got a few questions! I've been spoiled by my Nexus 4/5 when it comes to "openness" so all this Knox business is new to me.
I'm curious what I'm missing out on if I buy the ATT variant or try and get a T-Mobile phone unlocked. I've done enough reading to know that flashing a custom recovery will trip Knox, so I don't want to do that. If I have the Tmobile ver with a clean Knox, can I still install TW roms with Odin? Or do those require a custom recovery as well?
I'm really trying to decide if I should cancel my ATT pre order and try and get a TMobile model instead... but if the TMobile version won't gain me anything (I want to use Samsung Pay) I might as well stick with what I've got..

Well first off the ATT version will likely ship bootloader locked, which in this case you won't be doing anything custom to the phone that could trip knox...locked BL you won't be able to root (till an exploit is found, the current root depends on an unlocked BL and it will trip Knox)..As for TMO it is likely to be unlocked so you can root it, the current method will trip knox, flashing custom recovery will also trip it, and likely you can't reset that counter once its tripped, also if you flash anything in Odin that isnt official Samsung i believe you will trip knox as well (i believe theres a built in consistency/signature check for this) i could be wrong though as its been a while since I flashed anything on Samsung through Odin, I tripped my tmo s5 day one as I didnt care about the knox features.

AT&T = death to development

Does anyone know if tripping Knox will not allow samsung pay to work?.... That's one of the many features I was looking forward to....

Daniel323la said:
Does anyone know if tripping Knox will not allow samsung pay to work?.... That's one of the many features I was looking forward to....
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Most likely, nobody is going to know until Pay comes out, so figure August or so.

Damn, that's a long time to wait without rooting... Might just hold on to my note 4 for a bit then.... ?

Snapdragon root back to stock?

Has it been confirmed that anyone can go from a rooted snapdragon S8, back to stock S8 and have working Android Pay/Samsung Pay? I really don't want to use stock, but I don't want to permanently lose 'Pay' features as well, in case of resell or just wanting the feature

If you go from rooted S8 to unrooted, stock, it will still work with android pay, Samsung pay, and all knox apps.

mweinbach said:
If you go from rooted S8 to unrooted, stock, it will still work with android pay, Samsung pay, and all knox apps.
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I thought rooting tripped Knox?

derektm. said:
I thought rooting tripped Knox?
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Unlocking the bootloader trips knox

mweinbach said:
Unlocking the bootloader trips knox
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Quickest reply ever! Thanks for the info.

Note 8 has the knox triggered is there a way to reverse it..

knox has been triggered on my phone can i possibly reverse it

No unless you get a new motherboard
You can flash a modded kernel which masks the knox trip for s health but Samsung pay and secure folder is gone forever not coming back
That's what's stopping me from rooting

thats bad

brockyneo said:
You can flash a modded kernel which masks the knox trip for s health
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No need to do that, there's a simpler way. Just disable tima in the build.prop. Microsoft apps will work agajn as well if one chooses to use them.
Change ro.config.tima to 0.
---------- Post added at 04:13 PM ---------- Previous post was at 04:10 PM ----------
goody_23 said:
thats bad
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Unfortunately it's pretty much always been that way for knox with only a couple of of exceptions.

i have have samsung health up and running ..i want to see if i can use secure folder

Awful KNOX.... Samsung become peoples enemy, not friend!

Is it really true when you trip Knox a small chip on the mobo essentially destroys itself? Thus no way getting back 0x0 status?

NIKKOTUASON said:
Is it really true when you trip Knox a small chip on the mobo essentially destroys itself? Thus no way getting back 0x0 status?
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Yes
https://en.m.wikipedia.org/wiki/EFUSE

What triggers Knox to trip and how does one avoid it? Can the phone be rooted with custom rom without tripping knox?

@Byte_76
That's not possible. Flashing custom binaries will trigger knox, live with it or stay stock.

Byte_76 said:
What triggers Knox to trip and how does one avoid it? Can the phone be rooted with custom rom without tripping knox?
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Flashing TWRP and root will trip Knox on Exynos.
Flashing samfail(root) on snapdragon will not trip Knox. But no TWRP because of locked bootloader.

BluePhnx said:
Flashing TWRP and root will trip Knox on Exynos.
Flashing samfail(root) on snapdragon will not trip Knox. But no TWRP because of locked bootloader.
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I have the 950F. So far I have left it stock because I don't want to trip Knox.
I don't care about Samsung Pay because its not available in my country anyway but I don't want to lose any other functionality.

Question Bootloader unlock

I've been away from Samsung a little while, the S21 Ultra has tempted me back.
Can't see myself not tripping them Knox for long, but does unlocking the bootloader alone cause this to trip? Thought id unlock this day one so I don't have to reset if/when the flashing starts. I will be getting an unlocked international Exynos variant.
From memory, factory images through Odin wont trip Knox?
Thanks!!

d0ce said:
I've been away from Samsung a little while, the S21 Ultra has tempted me back.
Can't see myself not tripping them Knox for long, but does unlocking the bootloader alone cause this to trip? Thought id unlock this day one so I don't have to reset if/when the flashing starts. I will be getting an unlocked international Exynos variant.
From memory, factory images through Odin wont trip Knox?
Thanks!!
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Why are you getting the Exynos version if I may ask, Lots of people rather the Snapdragon.

ramkiller1 said:
Why are you getting the Exynos version if I may ask, Lots of people rather the Snapdragon.
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Largely it is way easier to unlock bootloaders on Global variants so the Exynos while not better per say it won't hold you back much and will give a better unlocking process as in the U.S. at least many Samsung devices get locked down.

ramkiller1 said:
Why are you getting the Exynos version if I may ask, Lots of people rather the Snapdragon.
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Easy..... No need to pay to unlock bootloader and lots more development of Roms.

For US Snapdragon devices check this out.
[Android][UNSAMLOCK] Bootloader Unlock for Samsung US/Canada Devices
This thread is @svetius approved Important notice: Do not update to April 2023 security update (XXXXXXXXXXWCX) or later. Examples: G998USQS6EWCA, N986USQU4HWD1. Samsung has patched the bootloader unlock again on those updates. NOTE: The OneUI...
forum.xda-developers.com

Hi guys, it's since some years that I don't have a galaxy s (last was s7). Since S21 ultra seems very interesting I'm thinking about to buy it, but how is the situation for what concern bootload unlock and root? It's easy to unlock and apply magisk without drawbacks?

Eudeferrer said:
Easy..... No need to pay to unlock bootloader and lots more development of Roms.
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People have had to pay for this? I'm coming from s7 edge custom rom, exynos.

ramkiller1 said:
People have had to pay for this? I'm coming from s7 edge custom rom, exynos.
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I'm not too knowledgeable with this kind of stuff, but if you look at how Galaxy S8/S8+ root went, there was a bounty thread with a lot of money and in the end, no one was able to unlock the bootloader on the Snapdragon phones. It was way too hard, so everyone had to give up. They did figure out how to root the phone, but you had to use an old development version of the OS, battery was locked to 80%, and you couldn't install Magisk.

afaneh92 said:
For US Snapdragon devices check this out.
[Android][UNSAMLOCK] Bootloader Unlock for Samsung US/Canada Devices
This thread is @svetius approved Important notice: Do not update to April 2023 security update (XXXXXXXXXXWCX) or later. Examples: G998USQS6EWCA, N986USQU4HWD1. Samsung has patched the bootloader unlock again on those updates. NOTE: The OneUI...
forum.xda-developers.com
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too bad its not possible yet lol

elliwigy said:
too bad its not possible yet lol
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Im working on it.

d0ce said:
I've been away from Samsung a little while, the S21 Ultra has tempted me back.
Can't see myself not tripping them Knox for long, but does unlocking the bootloader alone cause this to trip? Thought id unlock this day one so I don't have to reset if/when the flashing starts. I will be getting an unlocked international Exynos variant.
From memory, factory images through Odin wont trip Knox?
Thanks!!
Click to expand...
Click to collapse
Answering your original question, unlocking the bootloader (either selecting OEM Unlock in Dev. Settings, and/or long pressing Vol+ on the DL screen, does *NOT* trip KNOX.
KNOX is tripped when you flash a customized boot.img file, not before

rodrigofd said:
Answering your original question, unlocking the bootloader (either selecting OEM Unlock in Dev. Settings, and/or long pressing Vol+ on the DL screen, does *NOT* trip KNOX.
KNOX is tripped when you flash a customized boot.img file, not before
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Yeh thanks bud, as I thought.

When you root and install custom kernel. It will trip knox. You can go for Samsung galaxy s21 ultra other country variant. USA version and Asian version (may be unlocked bootloader) are different. You can try custom recovery.

afaneh92 said:
Im working on it.
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Do you think it will take a long time?

Dr.A said:
Do you think it will take a long time?
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lol who knows.. I actually purchased a g998u1 and so far me nor any of my sources can unloxk the bl yet.. not sure what hes working on or if he has the device but assuming he works in some similar channels i dont think theyve gotten anywhere either..
these sort of things are always random.. sometimes stuff happens quick other times they dont.. sometimes its some kind of roit soketimes its a bl unlock lol its anyones guess basically.. i wont say im working on it or give false hope tho lol.. if i end up figuring anything out ill post in my threads of course.. so far its locked pretty good.. that said its only been out a few days lol

Would TWRP w/o Root trip Knox

My question is simple. Would it trip my Knox if I flash a custom recovery, like TWRP without rooting?
I want to flash some roms to give them a try but I don't want to trip my Knox. Is this possible?

Yes.

You will trip knox if you modify your system.

I think even just unlocking the bootloader to be able to do mods at all, causes the security chip Knox to permanently 0x1 (trip)

cyanGalaxy said:
I think even just unlocking the bootloader to be able to do mods at all, causes the security chip Knox to permanently 0x1 (trip)
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Click to collapse
No.

Arealhooman said:
Yes.
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Yes? As if yes, it will trip Knox, or yes, it is possible to do it without tripping Knox?

Dr.Aequitas said:
Yes? As if yes, it will trip Knox, or yes, it is possible to do it without tripping Knox?
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Click to collapse
Yes, knox will trip.