questions about knox - Sprint Samsung Galaxy Note II

So i have some questions about knox. I'm new to it and sadly had the 4.3 bootloader thrust upon me.
1. Is there a way to remove it/return to a different bootloader? Not just hide it like Billards thing does
2. One way I restore my phone if it freaks out is to run a 1 click stock rooted ljc program. I was reading in a Verizon forum flashing a stock version will brick my phone does this apply for sprint? They said mk3 not mk4
3.if I no longer can use that and need to fix say a soft Brick with no recovery what should I use/do
4. What are the main things i need to be aware or with knox?
I've been reading around and all I'm finding is its security. I know that it's bootloader related but every time I odin a tar file I didn't know that affected a the bootloader. This knox cap has me not even wanting to touch my phone.
Any help would be appreciated and you will get your thanks

Anyone?

I thought all this to but I took the plunge to root and did so with kingo root it went flawless and upon boring l booting just open super su and it will ask you if you want to disable knox just click Yea and you're done and to flash roms flash philz touch recovery with odin and make sure to make a backup is stock and flash away
Sent from my SPH-L900 using xda app-developers app

Related

[HOWTO] [ROOT] No Tripping Flash Counter [SPR L710VPBLJ7] JB 4.1.1

This is a completely stock ODIN flashable ROM with root injected into the system image. The latest image is based off of the official Kies SPR L710VPBLJ7 release which is the first official JB release on this phone.
This is a fairly easy way to get root WITHOUT tripping the flash counter that will void the warranty. If you don't care about tripping the counter then you can get root other ways.
You can get ODIN here
and the drivers for the SPH-L710 so ODIN can detect your phone can be found at Samsung's site. Click on the Manuals & Downloads tab at the bottom and then on Software for the latest driver.
First download the stock odin tar that has a rooted system image injected into it:
SPR Image (JB 4.1.1)
Perm Mirror 1: Download - root66_SPR_L710VPBLJ7.7z
SPR Image (ICS 4.0.4)
Perm Mirror 1: Download - L710VPALI3
Old SPR Image (ICS 4.0.4)
Perm Mirror 1: Download - L710VPALEN
Second,
Extract the root66_SPR_L710VPALI3.tar from the .7z file you downloaded.
Put phone into download mode [ with phone off, hold vol. down + home + power ], connect to computer and open Odin.
once in odin click the PDA field and select the root66_SPR_L710VPALEN.tar you downloaded.
Leave Auto Reboot and F. Reset Time checked.
click start and
when done let phone reboot.
If you have issues flashing with Odin please ensure you are using the microusb cable that came with the phone, users have had issues using other cables.
If you just want a stock, rooted phone with no custom recovery, no plans to flash custom roms, etc. then you can stop HERE.
Third, (optional) - on a Jelly Bean release, loading a non-stock recovery will trip your flash counter.
If you want to get clockworkmod recovery loaded so you can flash whatever you want, nandroid, etc then continue on....
Once rebooted you can essentially follow this thread to load the clockworkmod recovery but make sure you use METHOD 1 or you will trip the counter. As long as you flash the recovery using the dd method with adb (or use terminal emulator from the play store) then you will NOT trip the flash counter. If you use ODIN to flash a custom recovery you will trip the counter.
The standard CWM recovery is here and the touch recovery is here.
If you've made it this far with a stock, rooted phone with cwm and you don't want to flash a custom rom (which will do its own de-bloating) you can check out my Aroma installer based De-bloater to easily get rid of bloat system apps you no longer want to see. Simply flash in CWM like anything else and you will be presented with a menu system to choose what to remove. If you are unsure it is safe to pick Recommended and a decent de-bloat.
Click to expand...
Click to collapse
OTA Updates
I understand on Sprint there are OTA updates available. If you use this root method and want to move to an OTA update you basically have two options.
1. After using this method you can grab voodoo OTA rootkeeper from the play store and apply the update straight as it is from OTA. The rootkeeper app should keep root for you after the update is applied.
2. Find someone who made a CWM flashable update, potentially with certain pieces removed and simply flash it in CWM.
Thanks
To get the injected root system image I followed pieces of
http://forum.xda-developers.com/showpost.php?p=27801304&postcount=1
http://forum.xda-developers.com/showpost.php?p=22798858&postcount=32
so thanks to those guys. Neither of those worked out of the box needed a bit of tweaking.
OK...any one willing to take the leap and see? :victory::cyclops:
Naddict said:
OK...any one willing to take the leap and see? :victory::cyclops:
Click to expand...
Click to collapse
No leap needed. it'll work.
Does this wipe data?
Sent from my SPH-D710 using xda premium
Thanks! Been waiting for these to show up for the SGS3! They were priceless on the SGS II Epic 4G Touch.
Sent from my SPH-L710 using Tapatalk 2
crawrj said:
Does this wipe data?
Sent from my SPH-D710 using xda premium
Click to expand...
Click to collapse
Since the original .tar file didn't wipe data, I'll go out on a limb and say this doesn't either. However, if you're restoring your home .tar file for warranty purposes I'd suggest performing a full wipe in CWM prior to flashing this in Odin, or Mobile Odin.
Sent from my SPH-L710 using Tapatalk 2
Correct. It will not wipe data. You may want to depending on your needs.
so not to sound stupid, but after doing this method and getting root and CWM, then we can flash anything in cwm without tripping the counter correct?
robl45 said:
so not to sound stupid, but after doing this method and getting root and CWM, then we can flash anything in cwm without tripping the counter correct?
Click to expand...
Click to collapse
correct.
robl45 said:
so not to sound stupid, but after doing this method and getting root and CWM, then we can flash anything in cwm without tripping the counter correct?
Click to expand...
Click to collapse
That's what I'm wondering. Anyhoo, is there any basis to state that the tripping the flash counter will void the warranty or is that just a wild assumption?
Just to be sure, at this time there is no method of resetting the trip counter, so those that already rooted need to wait for a way to reset the counter and then will be able to use this method if they're so inclined... Is my understanding correct?
Sent from my SPH-L710 using xda app-developers app
mlin said:
That's what I'm wondering. Anyhoo, is there any basis to state that the tripping the flash counter will void the warranty or is that just a wild assumption?
Click to expand...
Click to collapse
haha, wild assumption? The counter isn't there because people like counting. Samsung has made it incrementally harder with each gen of device to reset that counter. They provide that so the carriers and themselves CAN void your warranty as they have proof that you have flashed something that wasn't stock.
Now notice the CAN word up above. That doesn't mean they WILL void your warranty. I know for a fact I've seen friends denied service from ATT for having that counter tripped. From what I've read on these forums, it seems ATT would be one of the more strict carriers and Sprint the least. I think I read yesterday that Sprint won't really care. I have no personal experience regarding that however and they can change their stance when they like.
If you haven't tripped your counter, this is as easy a root method as any other, you are just flashing something in Odin. So if you want to ensure you are warranty covered why not use this?
mrRobinson said:
haha, wild assumption? The counter isn't there because people like counting. Samsung has made it incrementally harder with each gen of device to reset that counter. They provide that so the carriers and themselves CAN void your warranty as they have proof that you have flashed something that wasn't stock.
Now notice the CAN word up above. That doesn't mean they WILL void your warranty. I know for a fact I've seen friends denied service from ATT for having that counter tripped. From what I've read on these forums, it seems ATT would be one of the more strict carriers and Sprint the least. I think I read yesterday that Sprint won't really care. I have no personal experience regarding that however and they can change their stance when they like.
If you haven't tripped your counter, this is as easy a root method as any other, you are just flashing something in Odin. So if you want to ensure you are warranty covered why not use this?
Click to expand...
Click to collapse
Gotcha, thanks for the break down. At this point I've already rooted and as a Sprint customer I'm not worried about it. Sprint's policy is to handle rooted phones the same way they handle completely stock phones. I've had rooted phones running obvious custom ROMs serviced and exchanged for warranty type issues. Anyhoo, thanks for posting!
LOL, just chatted with Samsung. Apparently they will still handle all warranty issues under warranty but will charge to reflash the phone.
mrRobinson said:
Correct. It will not wipe data. You may want to depending on your needs.
Click to expand...
Click to collapse
Thanks it was for a friend just needed root.
so to go back to completely stock, you would flash a stock tar in odin and that wouldn't trip the counter either?
robl45 said:
so to go back to completely stock, you would flash a stock tar in odin and that wouldn't trip the counter either?
Click to expand...
Click to collapse
Correct. Anything that is a stock Samsung provided file(or phone thinks it is Samsung provided file) will not trip the counter.
Thanks! This will come in handy if the wife ever lets me root her phone lol
Sent from my Samsung Galaxy SIII using Tapatalk
You Sir have made my day exactly what I was waiting for.
I've read in some threads that flashing completely to stock will reset the flash counter, can someone please confirm or refute this for me?
elfhater said:
I've read in some threads that flashing completely to stock will reset the flash counter, can someone please confirm or refute this for me?
Click to expand...
Click to collapse
No it does not.

[Q] Rooting SGH-T889v

I hate starting new threads cause, well, everyone else hates it lol.
But my hand is forced. I want the multi-window feature on my phone and like the impatient people we are, I want it now. Well the only problem is that the only way of getting said feature is too root your phone and install a custom ROM. Which is perfectly fine, I have no quarrels with custom roms, in fact I love them, I think the developers are amazing and truly unlock the full potential of the phone when they do make custom ROMS. However, one thing I do notice is that sometimes the roms become buggy and laggy after a while. Anyway's I digress...
My true reason too create this thread is that I need help in rooting my phone as its new and I paid full price for it, the last thing I want to do is brick it. By all means I am no noob, I've been rooting all my phones. Its just that I see that there is no direct root method for the t889v, I would assume it to be similar to t889 and with an addition to flashing the t889v modem/radio.
But if there is someone out there, who could assist me in successfully doing so I will be mighty grateful to them. I would prefer it be a person who has rooted their t889v.
Did you successfully get this resolved? Just got the Canadian version of T889V note2. I'd love to control my privacy a bit more, such as feeding malicious apps a fake contact list instead of letting then steal everything
Sent from my SGH-T889V using xda app-developers app
If by direct root you mean exploit, there isn't any I'm aware of. However rooting with Odin and either a stock injected ROM (if you want to avoid tripping your counter) or Chainfire's AutoRoot, or CWM and flashing a superuser zip as usual works just fine.
MCRHAZ said:
I hate starting new threads cause, well, everyone else hates it lol.
But my hand is forced. I want the multi-window feature on my phone and like the impatient people we are, I want it now. Well the only problem is that the only way of getting said feature is too root your phone and install a custom ROM. Which is perfectly fine, I have no quarrels with custom roms, in fact I love them, I think the developers are amazing and truly unlock the full potential of the phone when they do make custom ROMS. However, one thing I do notice is that sometimes the roms become buggy and laggy after a while. Anyway's I digress...
My true reason too create this thread is that I need help in rooting my phone as its new and I paid full price for it, the last thing I want to do is brick it. By all means I am no noob, I've been rooting all my phones. Its just that I see that there is no direct root method for the t889v, I would assume it to be similar to t889 and with an addition to flashing the t889v modem/radio.
But if there is someone out there, who could assist me in successfully doing so I will be mighty grateful to them. I would prefer it be a person who has rooted their t889v.
Click to expand...
Click to collapse
Hey i messed up my wind note flashed the t889v modem and it screwed it up, is it possible you can link me with a nandroid backup of your phone,
Thanks in advance
How to root Windmobile T889v on Android 4.3
Darkshado said:
If by direct root you mean exploit, there isn't any I'm aware of. However rooting with Odin and either a stock injected ROM (if you want to avoid tripping your counter) or Chainfire's AutoRoot, or CWM and flashing a superuser zip as usual works just fine.
Click to expand...
Click to collapse
Anyway confirmed step by step to root T889v on 4.3? The firmware ends in MK4, if that matters. Thanks for any help in advance.
subaron said:
Anyway confirmed step by step to root T889v on 4.3? The firmware ends in MK4, if that matters. Thanks for any help in advance.
Click to expand...
Click to collapse
Will CF-Autoroot work with the T889v?
I don't know if CF-Autoroot will work on 4.3, but since you're going to trip the KNOX e-fuse anyway, you might as well:
Get Odin3 3.09 (the latest available version AFAIK)
Download the latest SuperSU zip update file and put it on your SD card
Flash the latest t0tle Odin flashable image. (Other HSPA t0lte variants like t0lteatt and t0ltetmo should also work)
Or, if you've got a tar binary (like Cygwin's if you're on Windows) available on your computer, the latest Clockworkmod image, which you'll rename to recovery.img and put in a tar file with the command: tar -H ustar -cf clockworkmod.tar recovery.img
Reboot to recovery
Backup your current ROM and data, just in case.
Install the SuperSU zip.
Reboot.
The stock, unmodified ROM might throw error messages about KNOX having been tripped. I haven't touched the 4.3 bootloaders because I haven't needed them yet. I'll leave figuring how to deal with those up to you, there's a few threads on that topic.
I did root my T889v(updated WindMobile stock ROM 4.3+TMobile radio) using CF-Autoroot. Downloaded the one for N7100(the one I searched on web for T889 actually doesn't work, this N7100 one from CF-Autoroot official web site worked without problem) and rooted. Then went to market to install SuperU, then it asked whether to disable Knox, I clicked yes and root was done.
The Knox counter is tripped anyway, but I don't care.
Dont work for me ...
cr2069 said:
I did root my T889v(updated WindMobile stock ROM 4.3+TMobile radio) using CF-Autoroot. Downloaded the one for N7100(the one I searched on web for T889 actually doesn't work, this N7100 one from CF-Autoroot official web site worked without problem) and rooted. Then went to market to install SuperU, then it asked whether to disable Knox, I clicked yes and root was done.
The Knox counter is tripped anyway, but I don't care.
Click to expand...
Click to collapse
I tried with to root with odin 3.09 and cf-auto-root (sgh-t889) & (gt-n7100) and bolth dont work... My phone model is (sgh-t889v) canadian . Can help me ?

[Q] updating to UAMDL with root

I'm rooted with a custom recovery running M919UVUAMDB. Is there an easy way for me to update to M919UVUAMDL. When I tried the ota it said my phone has been modified and wouldn't proceed. I've been reading about people having issues rooting their phone after the they updated, so I'm thinking it may not be worth it to update at this time. I'm hoping I can just flash somthing to bring my phone up to date without the root blocking that was implemented in UAMDL. I have been having some issues and hope the update would resolve them. Can someone steer me in the right direction please? Thanks
electricjelly said:
I'm rooted with a custom recovery running M919UVUAMDB. Is there an easy way for me to update to M919UVUAMDL. When I tried the ota it said my phone has been modified and wouldn't proceed. I've been reading about people having issues rooting their phone after the they updated, so I'm thinking it may not be worth it to update at this time. I'm hoping I can just flash somthing to bring my phone up to date without the root blocking that was implemented in UAMDL. I have been having some issues and hope the update would resolve them. Can someone steer me in the right direction please? Thanks
Click to expand...
Click to collapse
I have the same question.
As do I. I'm thinking it'll be a flash via Kies, then re-flash TWRP, install the custom kernel and re-root.
darkjedi said:
As do I. I'm thinking it'll be a flash via Kies, then re-flash TWRP, install the custom kernel and re-root.
Click to expand...
Click to collapse
Don't be lazy guys there are roms floating that are MDL and stock rooted.. it takes literally 1 mins to search for them...
Sent from my SGH-M919
aLdaRiS said:
Don't be lazy guys there are roms floating that are MDL and stock rooted.. it takes literally 1 mins to search for them...
Sent from my SGH-M919
Click to expand...
Click to collapse
I thought some of the stock rooted firmwares were zipped and could be flashed via recovery.... (why I didn't think of doing this on the old GS4 I have no idea, prolly because I wanted to keep my recovery stock -shrug-)
Either way wouldn't you need to get Triangle Away?
adventure_of_link said:
I thought some of the stock rooted firmwares were zipped and could be flashed via recovery.... (why I didn't think of doing this on the old GS4 I have no idea, prolly because I wanted to keep my recovery stock -shrug-)
Either way wouldn't you need to get Triangle Away?
Click to expand...
Click to collapse
I'm not sure what you're taking about lol
Sent from my SGH-M919
aLdaRiS said:
I'm not sure what you're taking about lol
Sent from my SGH-M919
Click to expand...
Click to collapse
...in other words, isn't it possible to find a custom firmware that you can flash through recovery? (or since this is Samsung land, is this all through Odin? I remember on my Evo 3D I could find new custom firmwares in zip files and flash from recovery.)
and Triangle Away resets some kind of counter specific to some Samsung phones relating to custom firmwares.
https://play.google.com/store/apps/details?id=eu.chainfire.triangleaway&hl=en
adventure_of_link said:
...in other words, isn't it possible to find a custom firmware that you can flash through recovery? (or since this is Samsung land, is this all through Odin? I remember on my Evo 3D I could find new custom firmwares in zip files and flash from recovery.)
and Triangle Away resets some kind of counter specific to some Samsung phones relating to re-installs.
Click to expand...
Click to collapse
he said he's already rooted and already has a custom recovery... so basically he needs to find a rom that is stock MDL but rooted(there are 2 in the and development forum) and flash it. that's it. I'm not sure why they wanted to update through Odin it kinda makes no sense.. cos they it'd be stock uprooted and then they'd have to root it again. AFAIK triangle away it's only used to reset the counter on the bootloader to see that you haven't installed any custom recoveries which you would only need if you were to send the phone back to tmo to have it exchanged. Otherwise you don't really need Odin unless you **** up a flash and then need to bring it back to stock fw and then root it again and do the whole process basically ODIN brings your phone back from a soft brick.
Sent from my SGH-M919
aLdaRiS said:
Don't be lazy guys there are roms floating that are MDL and stock rooted.. it takes literally 1 mins to search for them...
Sent from my SGH-M919
Click to expand...
Click to collapse
Has nothing to do with lazy. I ended up upgrading via Kies, flashing the custom kernel and then rooting.

[Q] clockwork mod removal

I rooted my friends S3 ATT with the s3 toolkit v7.0 he now wants me to unroot it so he can take the 4.3 update it have run the unroot and remove zip multiple times ( I even re rooted it and tried removing it again) and it will not remove clockwork mod recovery even though it says it will, it has successfully unrooted it the phone and removed super user and busy box . he does not want to loose all the data on his phone is there another way to remove clock work mod and get him back to the stock recovery so he can take the 4.3 update with out using triangle away ?
thanks
You would need to flash the stock recovery to replace CWM.
audit13 said:
You would need to flash the stock recovery to replace CWM.
Click to expand...
Click to collapse
where do I acquire a stock recovery and is it flashed through oden or through clockwork ?
thanks
I'm not sure where to find the stock recovery as I have never seen one that is flashable via Odin, CWM, or TWRP.
By updating to stock 4.3, the phone will have a bootloader that cannot be downgraded and Knox will be installed.
I personally avoided the 4.3 update because the 4.3 bootloader makes it tough to go back to stock and tripping the knox counter will void the warranty. Also, knox can interfere with root access.
audit13 said:
I'm not sure where to find the stock recovery as I have never seen one that is flashable via Odin, CWM, or TWRP.
By updating to stock 4.3, the phone will have a bootloader that cannot be downgraded and Knox will be installed.
I personally avoided the 4.3 update because the 4.3 bootloader makes it tough to go back to stock and tripping the knox counter will void the warranty. Also, knox can interfere with root access.
Click to expand...
Click to collapse
actually I'm a blind idiot it is an option right in the tool kit i have just reflashed it and all is good
THANK YOU VERY MUCH I could not have fixed this with out your help
(he never used any custom roms and does not mind that his unit will be locked )
iiipm said:
actually I'm a blind idiot it is an option right in the tool kit i have just reflashed it and all is good
THANK YOU VERY MUCH I could not have fixed this with out your help
(he never used any custom roms and does not mind that his unit will be locked )
Click to expand...
Click to collapse
Hey, thanks for the post. I learned something too:good:

[Q] How to root

Hi guys, I just got a galaxy s4 for t mobile and it came with 4.2.2 version of android. I'm scared to brick the phone but I really want to root it. Can someone point me to the right direction? Been reading some tutorials but they are for different versions of android. How do I root my phone without bricking it or tripping Knox?
itsfredo said:
Hi guys, I just got a galaxy s4 for t mobile and it came with 4.2.2 version of android. I'm scared to brick the phone but I really want to root it. Can someone point me to the right direction? Been reading some tutorials but they are for different versions of android. How do I root my phone without bricking it or tripping Knox?
Click to expand...
Click to collapse
4.2.2 doesnt have Knox. Use CF-Auto Root by Chainfire to root.
The Sickness said:
4.2.2 doesnt have Knox. Use CF-Auto Root by Chainfire to root.
Click to expand...
Click to collapse
Thanks! Now it seems that cf auto root comes with a stock kernel and recovery. Is this changeable? Can I install a custom recovery and kernel after using cf auto root? Or should I find a different method of rooting for this? Are there any safe ones out there. It seems that a lot is outdated and I'm afraid of installing the wrong thing.
itsfredo said:
Thanks! Now it seems that cf auto root comes with a stock kernel and recovery. Is this changeable? Can I install a custom recovery and kernel after using cf auto root? Or should I find a different method of rooting for this? Are there any safe ones out there. It seems that a lot is outdated and I'm afraid of installing the wrong thing.
Click to expand...
Click to collapse
I don't know if towelroot will root 4.2.2, but it doesn't install a recovery.
Rob
itsfredo said:
Thanks! Now it seems that cf auto root comes with a stock kernel and recovery. Is this changeable? Can I install a custom recovery and kernel after using cf auto root? Or should I find a different method of rooting for this? Are there any safe ones out there. It seems that a lot is outdated and I'm afraid of installing the wrong thing.
Click to expand...
Click to collapse
You're calling a rooting method outdated while using the exact "outdated" software it was meant to root in the first place. CF-autoroot is as safe as safe can be. In fact, I know it still works for 4.3 and I THINK 4.4.2; it just trips the KNOX counter on them... still gets the job done though.
As far as your concern of installing the recovery; it first flashes its own recovery so it can use an exploit, then reverts it back to stock. I believe the kernel is untouched.
If your end goal is to move on to custom recoveries and custom ROMs you can bypass the rooting process altogether and go straight for the recovery/ROM.
lordcheeto03 said:
You're calling a rooting method outdated while using the exact "outdated" software it was meant to root in the first place. CF-autoroot is as safe as safe can be. In fact, I know it still works for 4.3 and I THINK 4.4.2; it just trips the KNOX counter on them... still gets the job done though.
As far as your concern of installing the recovery; it first flashes its own recovery so it can use an exploit, then reverts it back to stock. I believe the kernel is untouched.
If your end goal is to move on to custom recoveries and custom ROMs you can bypass the rooting process altogether and go straight for the recovery/ROM.
Click to expand...
Click to collapse
This.
You really don't need CF Auto Root at all until all you want to do is root the stock rom.
If you want to install a customer rom, use Odin to install a custom recovery and flash whatever you want from there.
lordcheeto03 said:
If your end goal is to move on to custom recoveries and custom ROMs you can bypass the rooting process altogether and go straight for the recovery/ROM.
Click to expand...
Click to collapse
That's precisely my end goal. And I guess my question is how to do this safely with the Android version I have.
I didn't mean the root method was outdated; I was talking about some of the information that's on the general forum regarding root. There is even a post on one of the stickies asking for updated info in May. This scares me because for all I know I can follow one of these methods to root or install a custom recovery/rom and end up with a brick because something is no longer compatible.
I guess my question is: what is the best (updated) method of installing a custom rom/recovery for my tmobile s4 with android 4.2.2?
Use cf autoroot and flash clockworkmod through Odin. Download rommanager. Download a rom. Hit install rom from SD card. Pick your ROM from downloads.
itsfredo said:
That's precisely my end goal. And I guess my question is how to do this safely with the Android version I have.
I didn't mean the root method was outdated; I was talking about some of the information that's on the general forum regarding root. There is even a post on one of the stickies asking for updated info in May. This scares me because for all I know I can follow one of these methods to root or install a custom recovery/rom and end up with a brick because something is no longer compatible.
I guess my question is: what is the best (updated) method of installing a custom rom/recovery for my tmobile s4 with android 4.2.2?
Click to expand...
Click to collapse
I understand your apprehension, i really do. What I've said to do has worked for me when i got the phone over a year ago, and has worked here recently when i did it again. I'm trying to tell you there is no need for an updated way of doing what you want. If you want root, use CFauto root. Like i said, that method was done specifically for MDB and MDL firmwares, there is no better choice. Newer yeah, but better? Not a chance. Your firmware is equally outdated and it's worked for millions of users without fail.
As far as a custom ROM goes, find one you want to use, put it on your SD card, pick a recovery (CWM, Philz, or TWRP), flash that in Odin, boot to recovery (power+volume up) , do a full wipe (system, data, and cache) select the ROM, and flash. No need to root at all if you want to go straight to a custom ROM.
EDIT: Obviously, you might want to perform a nandroid backup once you flash your recovery... but that's really optional as long as you have the stock Odin-flashable firmware. Totally up to you.
Sent from my SGH-M919 using XDA Premium 4 mobile app

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