Alright. My mom has a Telus Galaxy S4 (SGH-I1337M) that's 100% free of KNOX crap. Phone was made before July 16th She is on 4.2.2. She wants to upgrade to 4.3. Is there a way to remove the KNOX bootloader update so she has no Knox Counter to worry about and flash via Odin?
wasn't able to find one: I flashed the i337m modem from here http://forum.xda-developers.com/showthread.php?t=2542043 in Odin and then upgrade to 4.3 by installing GE rom with a recovery zip using Philz CWM
you don't have to use GE but flashing a custom 4.3 rom will give you the 4.3 features without knox -- you just need the 4.3 modem to avoid data drops and a Canadian compatible modem (GE is knox free and has Canadian suited modem and install instructions)
lgsshedden said:
wasn't able to find one: I flashed the i337m modem from here http://forum.xda-developers.com/showthread.php?t=2542043 in Odin and then upgrade to 4.3 by installing GE rom with a recovery zip using Philz CWM
you don't have to use GE but flashing a custom 4.3 rom will give you the 4.3 features without knox -- you just need the 4.3 modem to avoid data drops and a Canadian compatible modem (GE is knox free and has Canadian suited modem and install instructions)
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Click to collapse
Thanks. What I want to do is take stock 4.3 OTA and remove the knox bootloader update and flash via odin. Nothing fancy.
understood: just hasn't been done by anyone yet as I have seen inference that it is none too simple and the relative gain is not worth the pain
GE 4.3 rom
lgsshedden said:
understood: just hasn't been done by anyone yet as I have seen inference that it is none too simple and the relative gain is not worth the pain
Click to expand...
Click to collapse
GE 4.3 should be close enough. Anything missing just download it. And the GE 360 camera is cool.
Related
I was in stock I9500UBUBMG1, then I used auto-root and after that I flashed cwm recovery via odin. Everything worked fine in despite of Custom Binary and custom system status in dowload mode. So tried miui rom, but after 2 months I decided to come back to stock I9500UBUBMG1.
curiously, all status are Official again.
Is that normal? since I just use stock 4.2.2 (old bootloader) or custom roms I can always return to official?
If I update via OTA will still official and show knox 0x0? (not that I would update).
If I install a 4.3 or 4.4 based rom I can return to MG1 with offical? or just if isn't TW based?
Thanks
I too have a question relevant to Knox behaviour: I am on Stock 4.2.2 MG1 firmware. I would like to Root and use Custom firmware. Any possible way not to trip Knox Counter? Anyway to save or backup my current modem / firmware, so that I can flash back to it if Knox is tripped?
mazbot said:
I was in stock I9500UBUBMG1, then I used auto-root and after that I flashed cwm recovery via odin. Everything worked fine in despite of Custom Binary and custom system status in dowload mode. So tried miui rom, but after 2 months I decided to come back to stock I9500UBUBMG1.
curiously, all status are Official again.
Is that normal? since I just use stock 4.2.2 (old bootloader) or custom roms I can always return to official?
If I update via OTA will still official and show knox 0x0? (not that I would update).
If I install a 4.3 or 4.4 based rom I can return to MG1 with offical? or just if isn't TW based?
Thanks
Click to expand...
Click to collapse
if you update your phone to a rom with knox bootloader, then you can't root and install custom recovery without tripping knox flag.. otherwise, on 4.2.2 you can root and return to stock rom(only 4.2.2) to get fully official status.. consider flashing latest roms modified to support old bootloaders.. so you can keep away all knox things... press thanks if it helps..
jk2rd said:
I too have a question relevant to Knox behaviour: I am on Stock 4.2.2 MG1 firmware. I would like to Root and use Custom firmware. Any possible way not to trip Knox Counter? Anyway to save or backup my current modem / firmware, so that I can flash back to it if Knox is tripped?
Click to expand...
Click to collapse
As we are in the old bootloader, we don't need to complain about knox, since we can flash stock MG1 back. You just need to pay attention because some custom firmware are imcompatible with old bootlader (or modem, idk) and if i'm not wrong, some custom roms can update your bootloader. There are some methods that will not turn your status to custom, but I think that auto-root and flash custom recovery is the best way to install a custom rom.
Thanks so much for that info!
I've Rooted using Ryebread76's method:
If you plan to flash custom firmware, as in a ROM, your going to trip KNOX. If you just want root, I used saferoot. It's for the VZW version, but it works just fine for the i337M.
Any suggestions on Custom Recovery / Firmware that will not change 4.2.2 MG1 bootloader?
jk2rd said:
Thanks so much for that info!
I've Rooted using Ryebread76's method:
If you plan to flash custom firmware, as in a ROM, your going to trip KNOX. If you just want root, I used saferoot. It's for the VZW version, but it works just fine for the i337M.
Any suggestions on Custom Recovery / Firmware that will not change 4.2.2 MG1 bootloader?
Click to expand...
Click to collapse
It will not trip knox, since it is not activated in MG1.
Enviado de meu GT-I9500 usando Tapatalk
I currently have 4.2.2 with the old bootloader on i9505. I would like to keep it Knox free, but would also like
to try a newer rom. Is there a rom that is as close as possible to stock Samsung 4.3 (obviously
without Knox or new bootloader)?
This:
http://forum.xda-developers.com/showthread.php?t=2250824
Use CWM version. Stock rom without KNOX and bootloader. :good:
nikzDHD said:
This:
http://forum.xda-developers.com/showthread.php?t=2250824
Use CWM version. Stock rom without KNOX and bootloader. :good:
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Click to collapse
Which modem would suit the PDA: XXUEML6 version? The same one that came with XXUEML6 in stock? I have heard conflicting reports about different modem versions playing not so nice and its better to match them with what came with stock rom?
I assume also that XXUEML6 WiFi_FIX will need to be flashed via Odin after flashing a modem?
clarification
So do you mean without knox and without bootloader or do you mean or do you mean without knox but with a bootlaoder as it is the older bootloader that i am trying to find for i9505. i understand some forums say you cannot roll back the firmware from 4.4.2 to 4.2. I however am having the screen rotation problem with the new 4.4.2 so i'm trying to find a way and one way might be to install a custom rom with old bootloader via CWM install zip function to replace the new 4.4.2 bootloader. This will then allow me to roll back the firmware to an older version and kill my screen rotation problems.
nikzDHD said:
This:
http://forum.xda-developers.com/showthread.php?t=2250824
Use CWM version. Stock rom without KNOX and bootloader. :good:
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Click to collapse
I have a stock NC1 rom rooted installed, just looking to see if there is a way to downgrade or not!
If not what are some good 4.4.2 Roms that i can install!
If I can do that with stock 4.4.2 lol
Thanks!
Moved to Q&A.
lukesheardown said:
I have a stock NC1 rom rooted installed, just looking to see if there is a way to downgrade or not!
If not what are some good 4.4.2 Roms that i can install!
If I can do that with stock 4.4.2 lol
Thanks!
Click to expand...
Click to collapse
Downgrade depends on your bootloader. If you took the carrier update to 4.4.2 then no you can't. If your flashed 4.4.2 then possibly, if flashed download phone info from the play store, it will tell you which bootloader you have. If it's a carrier upgrade then you need to install a customer recovery (trip knox counter - void warrenty) then you can install i337m roms. If you choose that route, Mapleleaf rom is a good place to start, it is mostly stock.
Reading the forums, and i am more confused than when i started.
Anyhows i have a Rogers i337m at 4.2.2 rooted. Want to upgrade to 4.4.2 and avoid the Knox Trip. From what i understand 4.2.2 doesn't have knox. It came from 4.3 and above.
So whats the best approach to go about the upgrade that would allow me to come back to 4.2.2 so i can put it back to stock if required.
warhawk_la said:
Reading the forums, and i am more confused than when i started.
Anyhows i have a Rogers i337m at 4.2.2 rooted. Want to upgrade to 4.4.2 and avoid the Knox Trip. From what i understand 4.2.2 doesn't have knox. It came from 4.3 and above.
So whats the best approach to go about the upgrade that would allow me to come back to 4.2.2 so i can put it back to stock if required.
Click to expand...
Click to collapse
Install a custom recovery and install a 4.4.2 KK ROM - don't do the official update. The official update will update your bootloader allowing you to only SafeStrap and install TouchWiz ROMs.
djpharoah said:
Install a custom recovery and install a 4.4.2 KK ROM - don't do the official update. The official update will update your bootloader allowing you to only SafeStrap and install TouchWiz ROMs.
Click to expand...
Click to collapse
Go with Mapple leaf from iB4STid. works good on I337M.
Hi,
I have experience with the Canadian S4 I337M, currently running custom Validus ROM 5.1.1, originally was on TouchWiz 4.4.2;
I have altough a question that seems quite.. debated, did looked around I can't find a definitive answer and know who I should trust. I wonder if options changed in 2015 rather than 2013 when KNOX was still new.
Out of simple curiosity (I will not attempt it, risky, probably useless and I'm running 5.1.1 anyway): I keep reading that it's impossible to downgrade the S4 to 4.2.2, due to the KNOX bootloader on 4.3 / 4.4, I understand that you cannot downgrade below 4.3 which is the "new" KNOX bootloader.
1. I'm simply curious: On the I337M, what happens if you grab the stock 4.2.2 firmware and flash it with Odin anyway, considering I'm on 4.4 ? My guess, if I'm correct, Odin detect the bootloader version right away and says "FAIL". Correct?
2. I used to think it was possible to downgrade from 4.4 to 4.3, since 4.3 has the KNOX bootloader as well. Is this possible anyway, or will Odin fail (Not going to try it, not worth it)? Considering what I've read just today, 4.4 is also a new bootloader. In any case, since that 4.4 bootloader cannot be downgraded (I guess?), there is no way to downgrade from 4.4 to stock 4.3 either? Odin will show "FAIL" ?
3. Is there any other way to downgrade it anyway? I understand that KNOX 0x1 remain irreversible yet, and to my knowledge, it's impossible to dowgrade to 4.2.2 (Or even 4.3?), but I've been reading that it was possible to downgrade if the bootloader is excluded from the TAR archive, make sense to me, but is that true, was that patched? Should I recompile an ODIN package excluding the bootloader, is that how it's done (Too dangerous, not trying it)? Or maybe by using Mobile Odin / FlashFire, downgrading from 4.4 to 4.3 / 4.2 can be acheived, if the bootloader is left untouched? What happens if we try it anyways? Odin fail, or device does boot but doesn't get past Samsung boot logo?
I'm just wondering, and quite confused by the different opinions that were shared. Remember this is for the Canadian I337M variant.
Thanks for confirming, appreciate!