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Multiple questions regarding knox/tw/cwm/kernels

coming from the g2x which was incredibly straight forward to deal with not having a locked bootloader or any other nonsense to deal with i have a few questions regarding a rogers s4 i337m
1. KNOX, as far as i have read this is a feature to detect tampering with the device and set a flag in place when tampered with. Specifically what sets off KNOX? as to that i have not really discovered a more direct answer. The repercussions to setting off KNOX is unable to use KNOX secured software aka roms/kernels? Is there any current updates by any of the providers that actually utilize this? or is it just more a enterprise feature being tested out in the s4 for additional security measures.
2. editions of roms, i honestly found a thread earlier for this but am failing to find it again i cant remember which s4 sub forum had it regarding the differences between google/asop/tw roms.
3. What are the mainstream Roms/kernels used, i noticed faux123 combined his rom/kernel of which i was not a fan of. for the G2x you had faux/morfic for kernels and just running stock cm7 was quite flawless for a combination.
4. I need a link to the latest CWM or has that been replaced for another recovery software? I know you can download it through rommanager but i thought that was like a fake flash more so then acutually pushing it to the phone via some other method. Is that done through rommanager as another step to avoid tripping knox? touch CWM is not essential and i recall the g2x touch CWM had issues so i don't really care if a legacy version can be used. stability > features for core components.
5. Having the unlocked bootloader has any other gains other then just not having to downgrade to a unlocked bootloader for flashing custom kernels/roms? flashing the roms even with the unlocked bootloader will still trigger knox correct?
I am quite aware of the safestrap feature and may try that if knox is required in any way. for warranty purposes i dont really care, if the phone runs for a month then it will probably last me 2-3 years. hell even the g2x survived 3 years now only with the power button becoming a tad problematic to turn on the phone. its more is there any software that may require it that as of now rom wise or app wise.
oh finally whats the difference between odin v3/v4? is there any real reason to use the newer. seems 3.09 is common revision to be used.

Seems like you may need to do a little more reading...but heres a little info for you
First let me ask you a question, what firmware is your s4 on, and is it an i337 (att branded)
As far as knox goes, I don't know much kore about it than you do...havent really looked into it, If you root your phone amd go in the superuser app it will ask you if you want to remove knox
Aosp vs touckwiz roms:
AOSP based roms can vary from pure AOSP, which is exactly what google intended android to be, no gimicks no extra features. But they can also be much more customizable such as cyanogenmod or aokp. Again these roms are built from the android source code, so it looks the way android was meant to be, the non pure ones having mamy added features
Touchwiz roms are simply based off stock realeases, they are often rooted and debloated, with a few tweaks thrown in and maybe a few mods...they typically loom and feel like a cleaner, smoother, and more polished stock rom, and with a lot less bloat
Recoveries: there are several recoveries available, you still got the basic CWM, than you got Touch CWM, Oudahs auto-loki recovery, phils cwm *I think thats the name lol* and than TWRP (may be missing some)***IMPORTANT: I asked earlier what firmware you were on, and this is way, if you have the mf3 firmware or mk2 firmware you CAN NOT flash any of the above recoveries due to our locked bootloader***
Safestrap: this is the recovery alternative which essentially is a recovery, however it is currently unable to flash kernels...which means you can only flash touchwiz roms, that are compatible with the stock kernel you currently have...so if your on mf3 with safestrap only 4.2.2 roms, if your on mk2 only 4.3 roms. Keep in kind safestrap is still in beta for mk2 so not every rom is working.
If you have an att phone with a locked bootloader there is currently and never has been any way to unlock the bootloader, so you are stuck with a locked bootloader. What this means is you can not downgrade to an earlier firmware, and if your mf3 or later you can not get a recovery and flash cyanogenmod aokp aosp or amy other aosp based roms
Sent from my SAMSUNG-SGH-I337 using Tapatalk

mg2195 said:
Seems like you may need to do a little more reading...but heres a little info for you
First let me ask you a question, what firmware is your s4 on, and is it an i337 (att branded)
As far as knox goes, I don't know much kore about it than you do...havent really looked into it, If you root your phone amd go in the superuser app it will ask you if you want to remove knox
Aosp vs touckwiz roms:
AOSP based roms can vary from pure AOSP, which is exactly what google intended android to be, no gimicks no extra features. But they can also be much more customizable such as cyanogenmod or aokp. Again these roms are built from the android source code, so it looks the way android was meant to be, the non pure ones having mamy added features
Touchwiz roms are simply based off stock realeases, they are often rooted and debloated, with a few tweaks thrown in and maybe a few mods...they typically loom and feel like a cleaner, smoother, and more polished stock rom, and with a lot less bloat
Recoveries: there are several recoveries available, you still got the basic CWM, than you got Touch CWM, Oudahs auto-loki recovery, phils cwm *I think thats the name lol* and than TWRP (may be missing some)***IMPORTANT: I asked earlier what firmware you were on, and this is way, if you have the mf3 firmware or mk2 firmware you CAN NOT flash any of the above recoveries due to our locked bootloader***
Safestrap: this is the recovery alternative which essentially is a recovery, however it is currently unable to flash kernels...which means you can only flash touchwiz roms, that are compatible with the stock kernel you currently have...so if your on mf3 with safestrap only 4.2.2 roms, if your on mk2 only 4.3 roms. Keep in kind safestrap is still in beta for mk2 so not every rom is working.
If you have an att phone with a locked bootloader there is currently and never has been any way to unlock the bootloader, so you are stuck with a locked bootloader. What this means is you can not downgrade to an earlier firmware, and if your mf3 or later you can not get a recovery and flash cyanogenmod aokp aosp or amy other aosp based roms
Sent from my SAMSUNG-SGH-I337 using Tapatalk
Click to expand...
Click to collapse
so if i were to upgrade to 4.3 ota it would flash MK3 giving me a locked bootloader? i was under the impression that the i337m canadian models all have unlocked bootloaders. only the i337 US models had locked loaders. i listed the model earlier and everything is stock out of the box
baseband/build is MG1 on 4.2.2
actually ill just check that latest firmware thread, the candian models are equiv to the m919 tmobile models basically. we also have the m919v for wind/mobilicity.

100% my bad I missed that you had the i337m
So with that said, you dont have a locked bootloader, and theres nothing you can do that will lock it
You can flash any of the recoveries, cwm twrp or whatever. They are all stable and seem to be working fjne...so its just whatever you perfer
Personally I like twrp, and that can be installed using goomanager if youre rooted, rommamager should also work if your rooted for cwm recovery
Sent from my SAMSUNG-SGH-I337 using Tapatalk

New to I337 somewhat confused

New to the I337. AT&T with NC1. Android 4.4.2. Stock ROM with the 3.4.0-1125940 kernel. Rooted, SE Linux permissive, Safestrap installed. Compared to other phones I have owned, rooted and installed custom ROMS for this one is way more complex.
Today I tried to Safestrap flash a couple of different ROM's- the Goole Play edition (jflte GPE) and the Lollipop 5.1 ROM 2015061jflte both times using Safestrap. Neither worked. In the case of the Google Play edition, it wanted to install a new kernel as well, I tried with the recommended kernel on the install GUI (wow an install GUI on Android). Both times stuck in a boot loop. I ended up using for the second time, the excellent information here
http://forum.xda-developers.com/galaxy-s4-att/general/guide-odin-to-stock-updating-rooting-t2926642
to get back to stock NC1 (thanks again guut13 for the excellent guide and links to resources) and restored via Safestrap the present stock configuration.
My questions are as follows (I am posting this after a LOT of reading here)
1)Can I use LokiDoki ? I understand it resolves problems with the locked boot loader where one can flash pretty much any S4 ROM on the I337.Is this true?
2) I wanted to give the two ROMS I mentioned today a try. Neither worked although I followed the instructions carefully (wipe, install and reboot). I also would like to try the Phoenix ROM. Is it compatible with Safestrap? Are the two I tried today compatible with Safestrap?
3) I am on 4.4.2. I understand that 4.4.4 is out there as well as 5 but when I check either via Kies or OTA I am told this is the latest firmware for my phone. Any way to update this?
As I said earlier this phone is a lot more complex from a modding standpoint than any other I have experience with. I am unclear on which ROM's will work with the NC1. Before I knew about Safestrap and the boot loader problem I tried installing TWERP and ended up having to rebuild things with guut13's excellent thread.
With NC1 am I stuck on the stock ROM ? Can kernels be updated on NC1 using LokiDoki?
Any light or advice to be shed on my confusion wold be very much appreciated.
Expat

Look at this other excellent thread started I by guut13,î answers all.
http://forum.xda-developers.com/showthread.php?t=2616221
Loki doki is not an option for you, and you can only install tw based roms.

Cats_PJ's
Thanks for the link. Have seen this thread. So I am on 4.4.2. So can I flash a 5.x ROM on the phone provided its TW --or does the phone have to be updated via OTH or another method to 5.x first? Or am I stuck on the ROMS specifically available on 4.4.2?
Thanks again very much for your interest and the link. Wish I had shopped more carefully and bought a non AT&T phone, one of the 5xxx models but I couldn't find anything other than the AT&T ones here in Ecuador.
Expat

http://forum.xda-developers.com/gal...-to-update-to-i337oc3-5-0-1-keeproot-t3075814
That will get you to 5.0.1. You can flash the lollipop roms after that.
I wish I had known more before I bought my phone too. Live and learn, I'm about do for an upgrade though. Good luck.

Cats_PJs said:
http://forum.xda-developers.com/gal...-to-update-to-i337oc3-5-0-1-keeproot-t3075814
That will get you to 5.0.1. You can flash the lollipop roms after that.
I wish I had known more before I bought my phone too. Live and learn, I'm about do for an upgrade though. Good luck.
Click to expand...
Click to collapse
Again many kind thanks for the help. This is the most complicated chain of BS to go through just to update a ROM thanks to the locked boot loader I have ever seen..... however you and others here deserve a lot of credit for finding workarounds...... the phone has been made needlessly complex with the BL and efforts by Google and AT&T to "protect" their turf and monetise the user. I would upgrade today were I not in Ecuador where everything costs double what it does in the US. The phone thief crop here is thick- this is the fourth phone in 2 years although the Galaxy Grand Prime I bought after the last robbery I still have. Broke the screen on that one and it was repaired improperly, I get a blank white screen on startup so can't get into recovery so its worthless to me for what I want it for..... so I have the S4 AT&T. Ah well.
Many thanks and enough of my *****ing.
Expat

Rooting; Custom Recovery; Custom ROM: Is any of it possible the AT&T N900A?

I just retired my struggling Note SGH-i717 running TWRP and Android 5.1.1 for a nearly new, unlocked Note 3 N900A running KitKat 4.4.2, Build number N900AUCUCNC2. It was silly of me but I didn't anticipate rooting and flashing a custom recovery and ROM would be such a conundrum, wrapped in a puzzle, inside an enigma. I've done a fair amount of research but have found a lot of dead ends. Is there a recent, definitive and authoritative guide to rooting and flashing a custom recovery and rom for the N900A?
I apologize in advance, for I'm certain it's been asked many times before. However, no matter how hard I've looked I haven't found a good, clear answer.

DaElderGeek said:
I just retired my struggling Note SGH-i717 running TWRP and Android 5.1.1 for a nearly new, unlocked Note 3 N900A running KitKat 4.4.2, Build number N900AUCUCNC2. It was silly of me but I didn't anticipate rooting and flashing a custom recovery and ROM would be such a conundrum, wrapped in a puzzle, inside an enigma. I've done a fair amount of research but have found a lot of dead ends. Is there a recent, definitive and authoritative guide to rooting and flashing a custom recovery and rom for the N900A?
I apologize in advance, for I'm certain it's been asked many times before. However, no matter how hard I've looked I haven't found a good, clear answer.
Click to expand...
Click to collapse
N900A is bootloader locked, so no custom recovery or kernel is possible. Best I can say is safestrap, but you'll want to check the AT&T Note 3 forum for more info.
Sent from my SM-N900T using Tapatalk

Help! Verizon gs5 lollipop recovery

I just got the Verizon variant of the Galaxy S5 (SM-G900V). I rooted it very easily using odin without tripping knox; that was easy.
I then began looking for ROMs; which for this phone, isn't easy with the locked bootloaders.
I came across a custom ROM, forgot off the top of my head but may go back to retry loading it.
Because these devices have locked bootloaders, any ROM flashed to it will need to have a separate bootloader flashed as well. The aforementioned ROM had one and I understood why, but after I odin flashed the new bootloader, i kept getting a black screen. OK no biggie, factory flash, re-root look for another ROM, except this time, I'm looking for a pre -rooted factory ROM. I came across a lollipop one, 0A8, was hoping for 0G5, but will deal with that later. Of course the ROM had to have, I guess for lack of a better word, a custom bootloader, or index, to tell the phone it's okay to use this software right? So now have lollipop, but have lost TWRP on boot. I'm not sure as to why this has happened, but it's a real pain I want to install and use ROMs on this phone. If I need to downgrade to have TWRP, that's no big deal. So here I am a lollipop stock ROM, rooted wihout TWRP, ugh.
Is there anyone who can help me find a solution to this, it's driving me mad. I just want to have a recovery installed and the klte version won't install. It must be a lollipop thing, but I would love to have cm12.1 when it comes out. And why does this stupid script keep popping up while I'm trying to type this. Just thought I'd share my frustrations or see if there is a way to get TWRP on lollipop?
Thanks in advance.

Hello,
Welcome to XDA.
To better assist you, your thread will be moved to your device Q&A forum linked below.
http://forum.xda-developers.com/verizon-galaxy-s5/help
The experts there may be able to help. Good luck.

U cannot load into twrp or safestrap above the n12 kernal.
If you want to access your recovery, you could try loading the n12 kernal via odin. Then use your recovery. Then reflash the right kernal for your rom via Odin to return to loading status.
That's what I hear is possible- you sound like you can rebuild if u get in trouble.
As for CM - we don't have an unlocked bootloader so that's unfortunately killing it at this time. We are stuck on stock rooted TW roms, or slight variations of TW roms.
Sent from my SM-G900V using XDA Free mobile app

Confused over installing recoveries

I can't seem to find a straight answer to my question since most of the info for the S4 is 2 or 3 years old now.
So I have a completely stock ATT i337 running Android 5.0.1. I would like to install a custom ROM, so I understand I need to install CWM or TWRP first. So my question is this... Do I need to root my phone first before I can install either recovery? If so, what method do I need to follow for my version of Android?
I understand that with time there are improvements. Some stuff I've read makes it sound like there is a lot of automation in installing custom recoveries, and maybe I don't need to root first because they root for me.
Thanks.

lekmedm said:
I can't seem to find a straight answer to my question since most of the info for the S4 is 2 or 3 years old now.
So I have a completely stock ATT i337 running Android 5.0.1. I would like to install a custom ROM, so I understand I need to install CWM or TWRP first. So my question is this... Do I need to root my phone first before I can install either recovery? If so, what method do I need to follow for my version of Android?
I understand that with time there are improvements. Some stuff I've read makes it sound like there is a lot of automation in installing custom recoveries, and maybe I don't need to root first because they root for me.
Thanks.
Click to expand...
Click to collapse
I think you posted in the wrong forum.
Anyway, if your phone is SGH-i337 and you do not have an older bootloader (MDL/MDB) then you can not install CWM or TWRP since your bootloader is locked.
For the AT&T S4 you have very limited options.
You can find how to root, how to update information here.
You can find how to install custom rom on AT&T S4 here.