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[GUIDE] Root and Unlock Canadian i337M without tripping Knox

Tested on my Canadian i337M S4 (4.4.2 MVLUFNI2 firmware). Knox was not tripped.
This may work on other S4.
Summary of the Steps:
- Downgrade to special Kernel from W0lfdroid
- Root with TowelRoot
- Flash back 4.4.2 Kernel
- Downgrade to 4.2.2 Modem
- Unlock with RegionLock Away v1.3
- Flash back 4.4.2 Modem
Detailed Steps:
-=FILES REQUIRERD=-
Download these ROMs from SamMobile:
4.2.2 rom for your phone
- Use 7zip to extract MODEM.BIN from it
4.4.2 rom for your phone
- Use 7zip to extract MODEM.BIN from it
- Also use 7zip to extract BOOT.IMG (this is the Kernel), and archive it as a tar file.
-=ROOT=-
Follow this method:
http://www.w0lfdroid.com/2014/09/To...4-S5-and-Note3-Android-4.4.2-NF-or-Later.html
Important: for flashing back the Kernel, the 4.4.2 file from that site may not work properly (causes wifi to behave weird). You need to use the boot.img tar you made earlier.
-=UNLOCK=-
1. Put S4 into download mode by holding Volume Down and Home Button on startup, then press Volume Up
2. Attach Phone using USB cable
3. Start Odin
4. under the Files [Download] section 3rd button (Phone) point to the 4.2.2 modem.bin
5. click on start
6. --- After phone reboots, check it installed correctly by verifying the baseband version is the same as the one you just flashed
7. Once successful run RegionLockAway
8. Next you must install proper modem back using Odin
9. Start Odin
10. under the Files [Download] section 3rd button (Phone) point to the 4.4.2 modem.bin
11. click on start
12. --- After phone reboots, check it installed correctly by verifying the baseband is the same as the one you just flashed

Using Heimdall on Linux to flash stock ROM and getting everything back to original tripped KNOX for me.
Everything was done properly and ROM worked perfect. Oh well.
Tip: (lol)
When flashing stock firmware back to device stick to Windows stock ROM flashing methods. (Odin)
Wish I would of found this info a few weeks ago. niCCe!

ngold thanks
I have a phone from a guy at work it is a Rogers phone KNOX is already tripped the phone is rooted and on 4.4.2 MVLUFNI2 firmware can I still use your unlock method?
And if so which 4.2.2 firmware did you use on Sammobile I don't see any Canadian firmware listed for 4.2.2.
Do you have a link to the RegionLockAway is it just the 1.3 version I'm finding for the Note 3?

stdly said:
ngold thanks
I have a phone from a guy at work it is a Rogers phone KNOX is already tripped the phone is rooted and on 4.4.2 MVLUFNI2 firmware can I still use your unlock method?
And if so which 4.2.2 firmware did you use on Sammobile I don't see any Canadian firmware listed for 4.2.2.
Do you have a link to the RegionLockAway is it just the 1.3 version I'm finding for the Note 3?
Click to expand...
Click to collapse
Yeah you can use this method if KNOX is already tripped. (or you can just use CF-Autoroot as it saves some hassle)
To unlock, the firmware I used was VLUAMDJ . On Sammobile, you'll see it if you filter by Canada (Rogers).
For Regionlock Away 1.3, yes you can use the one posted in the Note 3 forum - http://forum.xda-developers.com/showthread.php?t=2470551

ngold said:
Yeah you can use this method if KNOX is already tripped. (or you can just use CF-Autoroot as it saves some hassle)
Click to expand...
Click to collapse
Thanks ngold,
Will CF-Autoroot unlock the phone it is already rooted?

stdly said:
Thanks ngold,
Will CF-Autoroot unlock the phone it is already rooted?
Click to expand...
Click to collapse
No CF-Autoroot only roots the phone. It trips the Knox, but it's easier. So if you already tripped Knox, that's the best method to root.

ngold said:
No CF-Autoroot only roots the phone. It trips the Knox, but it's easier. So if you already tripped Knox, that's the best method to root.
Click to expand...
Click to collapse
Thanks dude it worked I was worried because I didn't have a working sim card in it but no problems.

I can't flash the modem, bootloader locked?

download what roms? links?

If the phone has a 4.3 or newer bootloader, the phone can't be rooted without tripping knox as far as I know.

unable to flash

hi
I have 5.0.2 firmware now, but the main problem is hot spot not working and even I can't use "shareit" app.
I want to flash 5.1.1 firmware on my phone
my phone is factory unlocked (knox warranty void: 1 (0x0000))
but after 1 sec the process fails.
I cant attach it's photo. I don't know how to attach image in XDA.
It has been rooted easily
but the twrp recovery touch didn't work and I installed sprint version and problem solved.
If I flash the wrong firmware it will not be flashed or flash will complete and the phone won't work?
because I didn't know to flash 920v or 920r4. and finally I choosed the 920v
my phone build info is: ( I used "root checker" for this information)
BOARD : universal7420
BOOTLOADER : G920R4TYU1AOD3
BRAND : Verizon
CPU_ABI : arm64-v8a
DEVICE :zeroltevzw
DISPLAY : LRX22G.G920VVRU1AOC3
HARDWARE : samsungexynos7420
HOST : SWDD5706
ID : LRX22G
MANUFACTURER : samsung
MODEL :SM-G920V
PRODUCT: zeroltevzw
INCREMENTAL : G920VVRU1AOC3
RELEASE : 5.0.2
SDK_INT : 21
RADIO :G920R4TYU1AOD3

I flashed 920r4 firmware
but only the galaxy s6 boot appears
even can't shut it down
I used the download mode and used twrp recovery to restore my last Rom but It isn't work too
please help
can I install custom kernel or Rom?
I only have 40% battery charge

porya_1986 said:
I flashed 920r4 firmware
but only the galaxy s6 boot appears
even can't shut it down
I used the download mode and used twrp recovery to restore my last Rom but It isn't work too
please help
can I install custom kernel or Rom?
I only have 40% battery charge
Click to expand...
Click to collapse
Try to install the firmware for the G920V with different versions of Odin, starting from the latest.

Uzair40 said:
Try to install the firmware for the G920V with different versions of Odin, starting from the latest.
Click to expand...
Click to collapse
thanks
I tried 6 versions of ODIN
no one works
they only flash 920r4 ROMs
it's weired because my hardware version was 920r4 and build number was 920v
how is it possible?
I flashed TWRP recovery and in recovery mode I can access to my memory using PC and battery can charge
is there another way except odin?
can I instal custom kernel or Rom?

Can't flash firmware

So,
Today I flashed the UK BTU firmware (G920FXXU3COI9). However, when I extracted the file it had 4 files for AP, BL, CP AND CSC so I used them all. However, now I can't go back to my previous firmware (G920FXXU2COH5) because when I try flashing it with Odin it says on the phone: sw rev check fail.
I want to go back to this firmware because I have a Nandroid backup with all my stuff and it doesn't work when i try to restore it on the new firmware. Can you help me with the right file to flash? Do I need the CSC file of the old firmware as well? Can you help me please?

How to fix system rev. check fail device: 2 binary 1 error when flashing a custom 5.1.1 ROM
If this error has appeared after flashing the new Bootloader and Modem for BOFJ
Download this: https://mega.co.nz/#!E05hTYaS!_vad3fvvKCwWiMmgWGrGgc69KYdgYRa1wFCmxYzwH3s
(Stock 5.1.1)
Once installed and passed with ODIN (Flash as AP)
Power off the phone and boot into download mode
Once in download mode flash the latest TWRP 2.8.7.1
http://forum.xda-developers.com/showpost.php?p=61548356&postcount=570
After flashed you'll be able to boot into recovery and flash your custom ROM ​
This post was taken from this thread

$tefanDroid said:
How to fix system rev. check fail device: 2 binary 1 error when flashing a custom 5.1.1 ROM
If this error has appeared after flashing the new Bootloader and Modem for BOFJ
Download this: https://mega.co.nz/#!E05hTYaS!_vad3fvvKCwWiMmgWGrGgc69KYdgYRa1wFCmxYzwH3s
(Stock 5.1.1)
Once installed and passed with ODIN (Flash as AP)
Power off the phone and boot into download mode
Once in download mode flash the latest TWRP 2.8.7.1
http://forum.xda-developers.com/showpost.php?p=61548356&postcount=570
After flashed you'll be able to boot into recovery and flash your custom ROM ​
This post was taken from this thread
Click to expand...
Click to collapse
Yeah I saw that, but the Mega download link is invalid

Merry Xmas to all
I have an g920i not rooted , flashed a TTT firmware 5.1.1. (trinidad and tobago) and now the phone cant get 4G networks
all seem to look fine but there is no way to flash an previous 5.1.1. firmware (Mexico TCE) which has the 4G running smooth
Odin pops an NAND write fail error, and i cant get beyond that point
any ideas?

Need help upgrading firmware onto different variant... Verizon 920V 920R6 920F

I have the S6 SM-S906L model. This is the "tracphone straighttalk version of the S6 which apparently has same hardware as the Verizon 920V
This model only has 1 stock firmware available which is 5.02
I am stock and rooted on this device on 5.02 with TWRP 3.0 ...........I simply want to upgrade past 5.02
I don't care about fingerprint
I don't care about having root
I don't care if I cannot downgrade.
I just would like to be running 5..1.1 or 6.01 firmware
I have successfully TWRPed 920V and 920F 5.02 custom roms onto this device.
QUESTION : Wouldn't I need to flash compatible bootloader for 5.1 or 6.0 before I can successfully upgrade past 5.02? If so, what bootloaders would work?
I have been told I I can flash 920R6 6..01 stock rom on this by removing the bootloader and modem files from the tar and just flash................ If so, couldn't I do the same with Verizon 920V 6.01? Or even 920F 6.01?
And back to the same question........don't I need to upgrade bootlooader before upgrading ?
Any help or suggestion is appreciated.

Galaxy S7 G930F - DBT / Downgrade from Android 7.0 to Android 6.0.1 possible ?

Hello,
Is it possible to downgrade from Nougat back to Marshmellow without triggering Knox ?
I upgraded my S7 via OTA Update. Now i have big trouble with the GPS indoors while playing Pokemon Go. The location via wifi seems messed up in 7.0. On 6.0.1 i never had problems.
Can i just flash the latest 6.0.1 (G930FDBT1BPH2) via Odin ? Or can there be a problem with the Bootloader which could be upgraded during the 7.0 Update ?
Does this procedure trigger Knox ? I want to keep the phone on Stock Firmware without rooting oder custom Firmware.
I downloaded the 6.0.1 from updateo with the following files :
AP_G930FXXU1BPLB_CL9689434_QB11912457_REV00_user_low_ship.tar.md5
BL_G930FXXU1BPLB_CL9689434_QB11912457_REV00_user_low_ship.tar.md5
CP_G930FXXU1BPJJ_CL9519568_QB11350220_REV00_user_low_ship.tar.md5
CSC_DBT_G930FDBT1BPH2_CL8887037_QB10698583_REV00_user_low_ship.tar.md5
HOME_CSC_DBT_G930FDBT1BPH2_CL8887037_QB10698583_REV00_user_low_ship.tar.md5
Can i just fire up Odin and put these files according the first letters in the fields ?
Greetings,
Chris

Yea just flash with ODIN
CSC = Reset (You'll need to choose this one to downgrade as 7.0 apps are not compatible with 6.0)
HOME_CSC = No reset
Only flashing custom will trip knox, flashing stock with ODIN will not trip it

*Detection* said:
Yea just flash with ODIN
CSC = Reset (You'll need to choose this one to downgrade as 7.0 apps are not compatible with 6.0)
HOME_CSC = No reset
Only flashing custom will trip knox, flashing stock with ODIN will not trip it
Click to expand...
Click to collapse
Thank you
Just for my safety
I need the first 4 files. Put em into the 4 fields in Odin 3.11.1 including BL - Bootloader (This part ist the most fear for me ) and flash them with "F-Reset Time" and "Auto Reboot" selected ?
After rebooting the phone a Full wipe is a good thing, i think.

chr2002 said:
Thank you
Just for my safety
I need the first 4 files. Put em into the 4 fields in Odin 3.11.1 including BL - Bootloader (This part ist the most fear for me ) and flash them with "F-Reset Time" and "Auto Reboot" selected ?
After rebooting the phone a Full wipe is a good thing, i think.
Click to expand...
Click to collapse
Use ODIN 3.12.3 or newer, that version is too old
3.12.7
Code:
https://mega.nz/#!jUgRiTSa!fnAVwr7yFi4dlPk4V0oQ5DuoFe3iiG0jH-ws91IHOPc
Flash AP, BL, CP and CSC
The phone will automatically factory reset after the flash so no need to wipe again
DO NOT change anything in ODIN, leave everything as it is

*Detection* said:
Use ODIN 3.12.3 or newer, that version is too old
3.12.7
Code:
https://mega.nz/#!jUgRiTSa!fnAVwr7yFi4dlPk4V0oQ5DuoFe3iiG0jH-ws91IHOPc
Flash AP, BL, CP and CSC
The phone will automatically factory reset after the flash so no need to wipe again
DO NOT change anything in ODIN, leave everything as it is
Click to expand...
Click to collapse
Thank you for your Help. I´ll do it exact this way

Hello I am very new to this and like to know if i can downgrade too from android 7 if there is a security path already applied to the phone? Can I also just flash it with Odin stock rom?
Do I need the exact build number or just model number? And does model number needs to be the same so I got SM g930v? Can I flash from different country that is not G930V but G930F
And would the PDA number also need to match? Thanks for helping!

Silkwormgirl said:
Hello I am very new to this and like to know if i can downgrade too from android 7 if there is a security path already applied to the phone? Can I also just flash it with Odin stock rom?
Do I need the exact build number or just model number? And does model number needs to be the same so I got SM g930v? Can I flash from different country that is not G930V but G930F
And would the PDA number also need to match? Thanks for helping![/QUOTE
You cannot flash a G930F firmware on a G930V device. They have different hardware. You need to flash G930V firmware
Click to expand...
Click to collapse

thank you can you tell me why it needs the exact same model number when the phone is still the same S7?
1. how about PDA will i need that the long build number will that needs to be the same?
2. I will need to flash the same model number to root it? And not a different model number?
Thanks!

Silkwormgirl said:
Hello I am very new to this and like to know if i can downgrade too from android 7 if there is a security path already applied to the phone? Can I also just flash it with Odin stock rom?
Do I need the exact build number or just model number? And does model number needs to be the same so I got SM g930v? Can I flash from different country that is not G930V but G930F
And would the PDA number also need to match? Thanks for helping![/QUOTE
You cannot flash a G930F firmware on a G930V device. They have different hardware. You need to flash G930V firmware
Click to expand...
Click to collapse

mrao said:
You cannot flash a G930F firmware on a G930V device. They have different hardware. You need to flash G930V firmware
Click to expand...
Click to collapse
Can you explain why the hardware is different?
And with Flashing using ODIN do I only need the model number and nothing else?

Silkwormgirl said:
Can you explain why the hardware is different?
And with Flashing using ODIN do I only need the model number and nothing else?
Click to expand...
Click to collapse
The USA variants use a qualcomm chipper, the G930F (international model) uses an exynos chipper. You will end up bricking it by trying to flash incompatible firmware