Is there anyway to un-knox a phone? - Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot

Does anyone know if its possible to remove the knox bootloader from a phone that applied the update?
Why can't we just odin an older stock tar? Will that not work?
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Not currently possible to rollback the bootloader, however there are a number of "un-knox'd" ROM's available.

You have some reading to do.
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Would running an un knoxed rom trip the warranty fuse knox enables? Are there any aosp/cm un knoxed roms out that u know of?
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All aosp/cm roms are unknoxed. That has nothing to do with the bootloader. Once an S4 has been upgraded to MJA or newer software you have the knox enabled bootloader and the only way not to trip the knox warranty flag is not to root it. This flag is pretty useless and means nothing to most users. It has no affect on your phone usage or modding ability. All it does is let Samsung know that you rooted the phone if you send it in to them for warranty work. They may or may not choose to work on your phone under warranty. It doesn't affect your ability to go to Sprint and have them fix your phone. It only matters if you are going to ship your phone to Samsung to fix. If you have insurance (TEP), best buy, square trade, or any other program than you are good, Just use your damn phone and enjoy it!

Oh good to hear thanks
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Related

(q) how to check flash counter?

Please can anyone help me how to check and rest flash counter on galaxy s4?
I need to send me s4 to samsung care because of some hardware problem but I am afraid if samsung checks the flash counter and refuse me giving warranty.
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Download triangle away from the Play Store, it'll tell you
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But I am not rooted after flashing stock rom yesterday and triangle away requires root permission for its working.
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munmun said:
But I am not rooted after flashing stock rom yesterday and triangle away requires root permission for its working.
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Click to expand...
Click to collapse
download pre-rooted stock rom from djembey here http://forum.xda-developers.com/showthread.php?t=2250824
install triangle away, reset counter. then you'll have official stock rom with basic root access, flash count 0 and status official.
best choice i guess :fingers-crossed:
munmun said:
Please can anyone help me how to check and rest flash counter on galaxy s4?
I need to send me s4 to samsung care because of some hardware problem but I am afraid if samsung checks the flash counter and refuse me giving warranty.
Sent from my GT-I9500 using xda app-developers app
Click to expand...
Click to collapse
I tried installing triangle away and it does not work.. same will happen in your i9500 its not yet supported i guess we have to wait for chainfire to be back from vacation to make this work for S4 hope this helps
munmun said:
Please can anyone help me how to check and rest flash counter on galaxy s4?
I need to send me s4 to samsung care because of some hardware problem but I am afraid if samsung checks the flash counter and refuse me giving warranty.
Sent from my GT-I9500 using xda app-developers app
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Click to collapse
Hey, did you send it back or not? I rooted mine to check the flash counter and triggered knox security. The are now refusing to honour their warranty despite the actual fault being a physical fault with the screen (it is peeling away from the phone body).
I will keep pushing them until they fix it as the fault is totally unrelated to the phone software and they are breaking the law by refusing to fix it however I will be selling the phone and boycotting them until they drastically improve their customer service
Read this, then tell them
https://www.dropbox.com/s/j93ijf5hzdfwwjm/Screenshot_2014-01-07-15-27-55.png

Rooting mja

Hello everyone and thanks for helping me out in my last post. OK so I wait and get my mja update, which by the way fixed all the bugs on the gs4. Now I am thinking I want to root but I can't find a guide online anywhere, a Lil help would be appreciated.
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You haven't searched or read much. You can use CF auto root.
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No I have done my research CF doesn't work with sprint gs4 Mja build
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hm I did cf auto root, and it worked just fine for me.
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It made knox go 0x1 right?
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yep
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JayMix said:
It made knox go 0x1 right?
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Click to collapse
The only way to root MJA is to use CF and trip the Knox counter.
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OK just a few more questions. So in the distant future will it be possible to turn knox back to 0x0 and unroot phone?
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JayMix said:
OK just a few more questions. So in the distant future will it be possible to turn knox back to 0x0 and unroot phone?
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Maybe. But it doesn't matter. At this point in time, it has been confirmed that Sprint will not be denying service for devices with the Knox counter tripped.
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frostedunit said:
Maybe. But it doesn't matter. At this point in time, it has been confirmed that Sprint will not be denying service for devices with the Knox counter tripped.
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Where did you get this information from? Source please.
JayMix said:
OK just a few more questions. So in the distant future will it be possible to turn knox back to 0x0 and unroot phone?
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Click to collapse
I told you it works.
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Yep your right. Only thing I'm having trouble with now is where is my cwm to flash cyanogenmod.
I also have great news for all gs4 users who aren't rooted yet and running mja. I ran cf auto root on my pc with all anti-virus turned off and everything worked perfect, no SU or knox problems at. I was on sprint mja build.
Read up, make sure u have the right software and drivers and you should be fine.
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leaderbuilder said:
Where did you get this information from? Source please.
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From galaxys3man30:
Mr.kennyglass123 just got some confirmed info that sprint will repair/replace your phone with the knox counter set 0x1 so that's some positive news. I've have been able to successfully root and add a custom kernel to 4.3 without any issues and it's not as bad as it seems just people where making the mistake of trying to go back to a earlier update and with the new bootloader that just not possible right now. So, it's not that scary to do this update but I can understand where ur coming from thou buddy. I will be here to help you with it if you need me buddy I have successfully remove all of knox from the ota rom so far so it's that hard to get removed and such. Just trying to give some encouraging info buddy.
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frostedunit said:
From galaxys3man30:
Mr.kennyglass123 just got some confirmed info that sprint will repair/replace your phone with the knox counter set 0x1 so that's some positive news. I've have been able to successfully root and add a custom kernel to 4.3 without any issues and it's not as bad as it seems just people where making the mistake of trying to go back to a earlier update and with the new bootloader that just not possible right now. So, it's not that scary to do this update but I can understand where ur coming from thou buddy. I will be here to help you with it if you need me buddy I have successfully remove all of knox from the ota rom so far so it's that hard to get removed and such. Just trying to give some encouraging info buddy.
Sent from my SPH-L720 using Tapatalk
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An important clarification, Sprint will do this! Samsung will NOT!!!! It is very important you understand the difference. If you are paying for Sprint TEP (Total Equipment Protection), Best Buy Protection, or even Square Trade Insurance then the Knox flag shouldn't be a problem. If you do not have any of the insurance packages and you are solely relying on the Samsung warranty for your phone than you should know that Samsung will reject any warranty claim if the Knox flag is tripped or they can tell that you rooted it. They will fix your phone for a fee.

[Q] How do i know my device is knox secured?

Hey Xda,
I wan't to go custom again on my phone, i went back to stock for rma. But i've updated my phone...
how do i know i have knox installed?
I've added a picture with my phone status..
Greets,
Tunes
Yep...your bootloader is secured...knox will trigger 0x1 if you root it and/or flash custom rom or mods and you loose warranty
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GNoteAnte said:
Yep...your bootloader is secured...knox will trigger 0x1 if you root it and/or flash custom rom or mods and you loose warranty
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AAh shame.
Yeah...updating to 4.3 with knox was the worst thing i've done to my phone haha
I didn't know about knox until i rooted it and triggered 0x1 :/
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[Q] How To: Go Back To Complete Stock For Warranty?

Hi,
May you suggest ways on how to return to complete stock or for warranty purposes? [emoji1]
Thank you for your time!
Sent from my SM-G900F using Tapatalk
The most we can do is to do a super wipe and flash a stock rom with Odin, it will flash the stock recovery too, but KNOX will always stay at 0x1 until a genius dev(geohot ?) finds how to reset it, so if it's a Samsung Store they will not take it to repair.
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Safe0716 said:
The most we can do is to do a super wipe and flash a stock rom with Odin, it will flash the stock recovery too, but KNOX will always stay at 0x1 until a genius dev(geohot ?) finds how to reset it, so if it's a Samsung Store they will not take it to repair.
Sent from my SM-G900F using XDA Premium 4 mobile app
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Click to collapse
Unless you live in Europe, Samsung and all the other OEMS are required to repair the rooted device under warranty unless they can prove with facts that rooting is the cause of the faillure EU law.

Warranty void

Hello guys
THIS IS A QUESTION TO ALL THOSE WHO DONT CARE ABOUT SAMSUNG WARRANTY/ AT&T WARRANTY.
I am aware that attempting to downgrade from kit kat to jellybean will trip Knox counter however I don't care for it. What will be the worst consequence of me doing so. Soft brick? Or hard brick. And if I do succeed will the triped counter prevent me from having a custom recovery.
Tripping the Knox bootloader counter to 0x1 isn't a worry of mine . But a hard brick is so if I can and be able to load custom recovery NOT SAGES TRAP. That be great. I've been rooting/flashing for years now and I never seen such measures of slavery from a company. I never bought a phone with warranty anyways.
Ps: there's no straight answer in searches. All I've gotten is mixed answer I need a straight YES or NO. If yes how.
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app
androidfine16 said:
Hello guys
THIS IS A QUESTION TO ALL THOSE WHO DONT CARE ABOUT SAMSUNG WARRANTY/ AT&T WARRANTY.
I am aware that attempting to downgrade from kit kat to jellybean will trip Knox counter however I don't care for it. What will be the worst consequence of me doing so. Soft brick? Or hard brick. And if I do succeed will the triped counter prevent me from having a custom recovery.
Tripping the Knox bootloader counter to 0x1 isn't a worry of mine . But a hard brick is so if I can and be able to load custom recovery NOT SAFE STRAP. That be great. I've been rooting/flashing for years now and I never seen such measures of slavery from a company. I never bought a phone with warranty anyways.
Ps: there's no straight answer in searches. All I've gotten is mixed answer I need a straight YES or NO. If yes how.
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app
androidfine16 said:
Hello guys
THIS IS A QUESTION TO ALL THOSE WHO DONT CARE ABOUT SAMSUNG WARRANTY/ AT&T WARRANTY.
I am aware that attempting to downgrade from kit kat to jellybean will trip Knox counter however I don't care for it. What will be the worst consequence of me doing so. Soft brick? Or hard brick. And if I do succeed will the triped counter prevent me from having a custom recovery.
Tripping the Knox bootloader counter to 0x1 isn't a worry of mine . But a hard brick is so if I can and be able to load custom recovery NOT SAGES TRAP. That be great. I've been rooting/flashing for years now and I never seen such measures of slavery from a company. I never bought a phone with warranty anyways.
Ps: there's no straight answer in searches. All I've gotten is mixed answer I need a straight YES or NO. If yes how.
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app
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Click to collapse
No, you can't downgrade an ATT I337 from 4.4.2 back to Jelly bean. They locked the boot loader and it is not possible to flash a downgraded kernel. It's not a warranty issue, it's a "there's no way to do it that is known" issue.
Some folks with Canadian phones have reported success (at expense of tripping Knox) but I'm not aware of any way to do it on U.S. ATT phones. And I agree with you, it's ridiculous what ATT/Verizon are doing with these locked boot loaders. Next time, I will buy an unlocked phone...
Marc
Frankenscript said:
No, you can't downgrade an ATT I337 from 4.4.2 back to Jelly bean. They locked the boot loader and it is not possible to flash a downgraded kernel. It's not a warranty issue, it's a "there's no way to do it that is known" issue.
Some folks with Canadian phones have reported success (at expense of tripping Knox) but I'm not aware of any way to do it on U.S. ATT phones. And I agree with you, it's ridiculous what ATT/Verizon are doing with these locked boot loaders. Next time, I will buy an unlocked phone...
Marc
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Click to collapse
Is there at least some sight of relief to report in the attempts at unlocking so far. Beside Safe strap.
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androidfine16 said:
Is there at least some sight of relief to report in the attempts at unlocking so far. Beside Safe strap.
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Click to collapse
Everything I have read suggests no known avenue of exploit. I think this is a permanent and irrevocable thing that our wonderful devs have been unable to crack. Sigh.
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Of I'm not mistaking the s5 also had a locked bootloader. So will an exploit in that aid here.
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androidfine16 said:
Hello guys
THIS IS A QUESTION TO ALL THOSE WHO DONT CARE ABOUT SAMSUNG WARRANTY/ AT&T WARRANTY.
I am aware that attempting to downgrade from kit kat to jellybean will trip Knox counter however I don't care for it. What will be the worst consequence of me doing so. Soft brick? Or hard brick. And if I do succeed will the triped counter prevent me from having a custom recovery.
Tripping the Knox bootloader counter to 0x1 isn't a worry of mine . But a hard brick is so if I can and be able to load custom recovery NOT SAGES TRAP. That be great. I've been rooting/flashing for years now and I never seen such measures of slavery from a company. I never bought a phone with warranty anyways.
Ps: there's no straight answer in searches. All I've gotten is mixed answer I need a straight YES or NO. If yes how.
Sent from my SAMSUNG-SGH-I337 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Except for the boot loader, the rest of the system can be downgraded to MK2. Read this thread for more info http://forum.xda-developers.com/showthread.php?t=2663545
jmjoyas said:
Except for the boot loader, the rest of the system can be downgraded to MK2. Read this thread for more info http://forum.xda-developers.com/showthread.php?t=2663545
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Yeah but there's no point in doing that if I can't load a custom recovery afterwards. Man f**Ck Samsung and att
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