Note 4 (N910C) Bootloop after root ,5.1.1 Please Help! - Galaxy Note 4 Q&A, Help & Troubleshooting

Hey Guys , i have rooted my note 4 with a custom kernel Successfully , The Phone Actually Worked After Being In A Bootloop
Worked For 1 Time Then I Started To Get A Weird Notification From The Security Policies , it said unauthorized ......... please reboot your phone to remove any unauthorized access it was so stupid for me to reboot it
now am stuck into a boot loop and i can't even flash a new frimware , i've already downloaded the latest frimware from sammobile , but odin just refuse to flash it either it fail or just freeze on setup connection then gives me an error like that ( <ID:0/006> Can't open the serial(COM) port. ) i tried everything , i don't have kies installed and my phone is all messed up now .
Extra Error When I Try To Flash
<ID:0/003> Added!!
<ID:0/003> Odin engine v(ID:3.1005)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Initialzation..
<ID:0/003> Get PIT for mapping..
<ID:0/003> Firmware update start..
<ID:0/003> SingleDownload.
<ID:0/003> sboot.bin
<ID:0/003> NAND Write Start!!
<ID:0/003> FAIL!
<ID:0/003>
<ID:0/003> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)
i have a windows 10 Home 64xbit
odin v3.10
Please Help Me.
*The Kernel I used >> COH4.KERNEL.Shreqg2_1.4.tar.md5

after flashing SIXPERIENCEN4V6.0 Rom now i can't flash any firmware from Odin. i formated everything and now even flashing roms from TWRP won't help and i only get bootloop

omid_freesky said:
after flashing SIXPERIENCEN4V6.0 Rom now i can't flash any firmware from Odin. i formated everything and now even flashing roms from TWRP won't help and i only get bootloop
Click to expand...
Click to collapse
i Fixed It With This Way
First Download This Recovery
Then Go To This Rom And Download It Put It Into Your SD Card And Flash It From Your Custom Recovery
SIXPERIENCE ROM
ROM SOURCE XDA: http://forum.xda-developers.com/note-4/development/rom-sixperience-n5-port-v1-0-beta-t3204460
WARNING THIS ONLY WORK FOR NOTE 4 (N910C)!!!

i used this recovery and i already had this rom. i flashed it (dirty without format and clean formatted everything) but no luck. it still goes to bootloop.

omid_freesky said:
i used this recovery and i already had this rom. i flashed it (dirty without format and clean formatted everything) but no luck. it still goes to bootloop.
Click to expand...
Click to collapse
Okay Then I Think First We Need To Mess Up Your Kernel And Install Another One Then Flash The Recovery And Flash The Rom that's what i did i flashed a rom which didn't enforce snandroid then the flashed the recovery i linked above , flashed the rom and it worked try it. i sent you a message with the kernel link , check it out.

AdhamHossam said:
Okay Then I Think First We Need To Mess Up Your Kernel And Install Another One Then Flash The Recovery And Flash The Rom that's what i did i flashed a rom which didn't enforce snandroid then the flashed the recovery i linked above , flashed the rom and it worked try it. i sent you a message with the kernel link , check it out.
Click to expand...
Click to collapse
Can you send the kernel to me or make the link public? I have the same problem, please.

which bootloader are you using ?

JuanWilliman said:
Can you send the kernel to me or make the link public? I have the same problem, please.
Click to expand...
Click to collapse
Link sent to you inbox

d20032003 said:
which bootloader are you using ?
Click to expand...
Click to collapse
My device is an international version , it came with an unlocked bootloader , it's not dedicated to any service providers

AdhamHossam said:
Okay Then I Think First We Need To Mess Up Your Kernel And Install Another One Then Flash The Recovery And Flash The Rom that's what i did i flashed a rom which didn't enforce snandroid then the flashed the recovery i linked above , flashed the rom and it worked try it. i sent you a message with the kernel link , check it out.
Click to expand...
Click to collapse
which kernel did you use that didn't enforce seandroid? im still with the boot loop
---------- Post added at 07:41 PM ---------- Previous post was at 07:25 PM ----------
I've tried everything guys, but im still stuck at the galaxy note 4 logo/letters...the only rom that i can flash and restore to is cyanogenmod based ones, like the old team eos roms or cm 13 marshmallow, i have a n910c version...and wanna go back to stock or sixperience.

JuanWilliman said:
which kernel did you use that didn't enforce seandroid? im still with the boot loop
---------- Post added at 07:41 PM ---------- Previous post was at 07:25 PM ----------
I've tried everything guys, but im still stuck at the galaxy note 4 logo/letters...the only rom that i can flash and restore to is cyanogenmod based ones, like the old team eos roms or cm 13 marshmallow, i have a n910c version...and wanna go back to stock or sixperience.
Click to expand...
Click to collapse
Check Your Inbox

HELLO guys,
i am having the same problem with n910c, the phone suddenly started to restart every second, flashed new stock rom OJ5 but no success, flashed twrp recovery but get error recovery is no seandroid enforcing !!! i cannot downgrade and there is no OJ5 factory firmware(4files)
phone still at boot loop any suggestions guys. thanx in advance

Sobaro said:
HELLO guys,
i am having the same problem with n910c, the phone suddenly started to restart every second, flashed new stock rom OJ5 but no success, flashed twrp recovery but get error recovery is no seandroid enforcing !!! i cannot downgrade and there is no OJ5 factory firmware(4files)
phone still at boot loop any suggestions guys. thanx in advance
Click to expand...
Click to collapse
the only solution that works for me is installing cm 13 rom...is the only one that boots, i end in boot loop even after flashing stock with odin or kies, so, flash stock via odin, flash custom recovery via odin, flash cm 13 via custom recovery, flash apps via custom recovery....thats not a fix for the problem but it will leave the phone functional. like a nexus.

ايه زيك يابش مهندس
Can u send this kernel to my or add the link.
Thank u

JuanWilliman said:
the only solution that works for me is installing cm 13 rom...is the only one that boots, i end in boot loop even after flashing stock with odin or kies, so, flash stock via odin, flash custom recovery via odin, flash cm 13 via custom recovery, flash apps via custom recovery....thats not a fix for the problem but it will leave the phone functional. like a nexus.
Click to expand...
Click to collapse
thanx bro , the problem that when i flash recovery i get error "Recovery is not seandroid enforcing" what do u think ?

Sobaro said:
thanx bro , the problem that when i flash recovery i get error "Recovery is not seandroid enforcing" what do u think ?
Click to expand...
Click to collapse
actually thats not an error, i mean, it doesn't affect anything at all.
to me its just a log showing overtime i boot into recovery mode.
---------- Post added at 04:27 PM ---------- Previous post was at 04:15 PM ----------
how to solve boot loop after installing cm 13 on n910c and trying to go back to stock.
after reading a lot I've found a guy that actually fixed the issue.
you have to download:
the latest version of odin.
the latest version of ifs professional.
n910c pit files.
n910c coj5 boot loader and modem.
n910c coj5 firmware OF YOUR OWN COUNTRY.
the latest n910c twrp recovery.
steps:
enable adb on developer options on your device.
open efs professional on your pc or virtual machine.
backup your efs folder.
erase your efs folder.
install twrp with odin.
wipe everything including internal storage with twrp.
flash pit file and reboot. odin
flash boot loader and reboot. odin
flash firmware and reboot. odin
and you are done.
then root or install another rom if you want. thats optional.
after you do all of these steps, you won't loose your imei. only if you flash the coj5 firmware of your carrier provider on your country.

AdhamHossam said:
My device is an international version , it came with an unlocked bootloader , it's not dedicated to any service providers
Click to expand...
Click to collapse
Execuse me sir. May you help me please. Here is my situation and Thanks in advance.
I dont have any backups except this cm 13 backup and i used dr.ketan tool to make efs backup although i dont know how to restore it
I downgraded my bootloader and modem to kitkat but flashing miui rom which is based on kitkat ends in bootloop.
Tried odin 3.9, flashed kitkat stock firmware successfully
And phone restarts But ends in bootloop.
This rom cm 13 by raymanfx is working and network is working
My Q is how to flash miui rom or even how to go back to stock 4.4.4 or 5.1.1 (i have the 3 firmwares

my phone is not entering recovery so i think it is a hardware issue , maybe charging usb flat cable error ?! i will try to replace it and post result .

JuanWilliman said:
which kernel did you use that didn't enforce seandroid? im still with the boot loop
---------- Post added at 07:41 PM ---------- Previous post was at 07:25 PM ----------
I've tried everything guys, but im still stuck at the galaxy note 4 logo/letters...the only rom that i can flash and restore to is cyanogenmod based ones, like the old team eos roms or cm 13 marshmallow, i have a n910c version...and wanna go back to stock or sixperience.
Click to expand...
Click to collapse
If Something happens To Your Device Am Not Responsible , Anyway i think this is the only way around to fix your phone , if it's Note 4 N910C <<< ONLY
Then You Will Find That Your Device Have A Custom Kernel And It Have Been Rooted , It may boot up one time successfully , but then you will find your self with warnings in your home screen and when you restart the device it will be in a bootloop again.
So How To Fix It
1.Download The Recovery First As It's Very Important >> This Is A Good Version Of A Custom Recovery , Flash It With The Latest Version of ODIN
2.Flash The Kernel Boot-UP The Device And Continue the steps .
2.Your Phone Will Start Telling You [ Unauthorized Access Detected Please Reboot Your Device To Fix It ] < Am Not Really Accurate Cause I Don't Remember The Error
3.Reboot Your Device And You Will Find A Red Warning When You Try To Boot-Up Called [Kernel Doesn't Enforce seandroid] Now Your in a bootloop again
4.Download The Sixperience Rom It's Really Amazing And The Only Rom That Worked With Me .
5.Move The Rom To Your SD CARD then enter your recovery mode and flash it , wait few minutes , Then It Will Tell You Rom Successfully Installed
6.Now Reboot Your Device And Be Aware It May Take More then 10 min To Flash At First Regarding ART RUNTIME AND DALVIK ,
**** This Only Work For Note 4 910C And Am Not Responsible If Something Happens After This Steps Or Before
**** Don't Forget To Backup All Your Data , an in case you don't know technicals recommend that you contact customer support

i also have bootloop after install stock tw rom, ive installed bliss rom for n910c base on cm13 6.0.1, its working fine but i want to go back to stock, i have a back up of my previous rom its base on 5..1.1 but everytime i restore it goes to bootloop same also when i flash the stock tw rom from sammobile, a member told me i have to wait for samsung to realease 6.0.1 for note 4 n910c exynos before i can restore to stock.

Related

Unable to root or instal custom recovery (Lollipop)

Today (after several lollipop roms) I wanted to instal new 5.0 rom (after echoe i wanted to see new Arya rom). But after i wanted to reboot to TWRP v2.8.5.0 it says something like "Custom recovery, not authorized" (or somthing like that)...Its like i tripped Knox or something.....I wanted to reboot but it still wanted to enter recovery. I pulled out battery and put it back but it still wanted to go back to recovery and wrote that error.
I tried to install back twrp through Odin but it gave me error while flashing, same thing with CF auto root. Finaly i succeded to instal stock BOA5 rom....For now i have stock rom over custom....
Main problem is i can not root it through odin or instal twrp because it gives me error while flashing - instaling stock rom goes with no problem and i can boot to stock recovery now....I have lollipop bootloader, modem and everything for lollipop from the first day....
When tying to flash recovery in Odin:
<ID:0/004> NAND Write Start!!
<ID:0/004> FAIL! (Auth)
THANKS FOR ANY HELP :good:
denied1977 said:
Today (after several lollipop roms) I wanted to instal new 5.0 rom (after echoe i wanted to see new Arya rom). But after i wanted to reboot to TWRP v2.8.5.0 it says something like "Custom recovery, not authorized" (or somthing like that)...Its like i tripped Knox or something.....I wanted to reboot but it still wanted to enter recovery. I pulled out battery and put it back but it still wanted to go back to recovery and wrote that error.
I tried to install back twrp through Odin but it gave me error while flashing, same thing with CF auto root. Finaly i succeded to instal stock BOA5 rom....For now i have stock rom over custom....
Main problem is i can not root it through odin or instal twrp because it gives me error while flashing - instaling stock rom goes with no problem and i can boot to stock recovery now....I have lollipop bootloader, modem and everything for lollipop from the first day....
When tying to flash recovery in Odin:
<ID:0/004> NAND Write Start!!
<ID:0/004> FAIL! (Auth)
THANKS FOR ANY HELP :good:
Click to expand...
Click to collapse
Try to flash TWRP 2.8.4.0 via ODIN coz the newest version have some bugs. Tell me if it solves your problem :highfive:
No.....Ok, i'm almost never using Odin (never had problems so everything i've done i did it through internal card).....I'm puting tar in AP, right? I tried v2840 and v2850...
denied1977 said:
No.....Ok, i'm almost never using Odin (never had problems so everything i've done i did it through internal card).....I'm puting tar in AP, right? I tried v2840 and v2850...
Click to expand...
Click to collapse
You can try this APP but you will have to root your device first.
But problem is i can not root.....I tried CF auto root and its the same - failed while write to NAND.....I guess if i could root i could install recovery.....
EDIT: And on the phone it says - "SECURE CHECK FAIL: recovery"
same problem , did you find solution ?
---------- Post added at 12:22 PM ---------- Previous post was at 12:05 PM ----------
just got it working and flashed cf root and philip recovery . actually the problem is in settings , security . there is an option which is like prevent someone from reusing your phone aftr format . uncheck it .

S5 G900F ( Firmware upgrade Encountered an issue )

Hi, folks i tryed updating my rom yesterday with twrp recovery 2.8 and when i wiped cache etc... i wiped my system and now it say's i don't have a OS and when i try and flash with odin downgrading it says " EXT4 " error near the ned in odin. Any help would be appreciated. Thanks alot
asuncion66_66 said:
Hi, folks i tryed updating my rom yesterday with twrp recovery 2.8 and when i wiped cache etc... i wiped my system and now it say's i don't have a OS and when i try and flash with odin downgrading it says " EXT4 " error near the ned in odin. Any help would be appreciated. Thanks alot
Click to expand...
Click to collapse
((( When i start the phone normally i get ( Firmware upgrade encountered an issue ) i don't know what to do :/
Either flash a custom ROM from TWRP, or flash a stock ROM with ODIN & flash the PIT file with it
*Detection* said:
Either flash a custom ROM from TWRP, or flash a stock ROM with ODIN & flash the PIT file with it
Click to expand...
Click to collapse
Thanks for your reply! i have tryed flashing 2 or 3 roms with odin and all i get is ( EXT4 FAIL ) and on me phone screen not enough room or something! i can't get into twrp now all i get this the ( firmware upgrade encountered a issue :/ not sure what to do...
Did you flash the PIT file with the stock ROM in ODIN?
*Detection* said:
Did you flash the PIT file with the stock ROM in ODIN?
Click to expand...
Click to collapse
Yes i tryed do i need a certain pit file ? i'm based in the UK on network 02 please can you post me a link to a pit file and original stock rom for this phone thanks again.
The twrp say this because you clean system folder. To fix it, you need just download The official samsung rom.zip, put it in your sd card, and install normally with twrp.
PIT
http://forum.xda-developers.com/attachment.php?attachmentid=2721101&d=1399024091
Get the stock ROM from sammobile . com
Go to the firmware section and search for G900F
Get the BTU version
---------- Post added at 14:01 ---------- Previous post was at 14:00 ----------
necromisty said:
The twrp say this because you clean system folder. To fix it, you need just download The official samsung rom.zip, put it in your sd card, and install normally with twrp.
Click to expand...
Click to collapse
No you don't, you can't flash stock ROMs with TWRP, you have to use ODIN
*Detection* said:
PIT
http://forum.xda-developers.com/attachment.php?attachmentid=2721101&d=1399024091
Get the stock ROM from sammobile . com
Go to the firmware section and search for G900F
Get the BTU version
---------- Post added at 14:01 ---------- Previous post was at 14:00 ----------
No you don't, you can't flash stock ROMs with TWRP, you have to use ODIN
Click to expand...
Click to collapse
Thanks alot to the above users for helping e i will try this out and report back. You are so very kind.
Flash the PIT file and the stock ROM at the same time from ODIN
***SOLVED***
Thanks alot folks for your help i am now back on 4.4.2 kitkat but i lost everything. I can't thank you enough peeps on here.
Good stuff
Good idea to make a backup in TWRP before flashing anything custom next time, then you can always restore if you break it again
*Detection* said:
Good stuff
Good idea to make a backup in TWRP before flashing anything custom next time, then you can always restore if you break it again
Click to expand...
Click to collapse
Yeah i sure will this time around. Thanks for taking the time to help me.
No probs
hi i have the same problem but which stock rom do i use for my phone
Also in Odin do I put the pit file in the pit tab it warned me to not to

can't install custom rom/some recoveries/stock lolipop(sm-n900)

hello all,
First of all, sorry about my english, if something isn't clear just tell me.
Device : sm-n900
OS : 4.4.2
For various days I tried to install a custom rom, and when it showed no success I tried anothers.
After that I tried to install the russian Lolipop stock rom(odin) just to try to get some results, but with no success as well.
While trying I didn't manage to install recoveries other than CWM.
All I can "install" are the 4.4.2 stock rom, CWM(and root), restore backup of the 4.4.2.
I assume that there is a connection between the inability to install the other recoveries, Lolipop stock and the custom roms, but I couldn't find it.
This post(http://forum.xda-developers.com/showthread.php?t=2613169) showed me some possible direction, but still not a full one(philiz doesn't work and cwm does and after other recoveries flashing there is no recovery to go to until I flash CWM again).
Thanks in regard for any help .
What kind of errors are you getting with roms. How do you install the recoverys. Do you flash the correct modem and bootloader?
Sent from my SM-N920C using Tapatalk
Zionator said:
What kind of errors are you getting with roms. How do you install the recoverys. Do you flash the correct modem and bootloader?
Sent from my SM-N920C using Tapatalk
Click to expand...
Click to collapse
When trying with CWM there is no errors in the script, after "installing" nothing happen(I should see something called aroma installer if I got it right) and the phone get into boot loop.
For CWM I used Odin(worked)
TWRP(app, odin, by CWM recovery - no success in any method)
Philiz(by CWM - no success)
Basicly, I didn't saw in guides to flash bl and modem seperatly. In some experiments I tried to flash BL(I am pretty sure the correct one - In download mode and in the setting>>about phone, I saw the difference).
OK I use twrp recovery. When selecting the twrp from there home page be sure to select the correct one as they got a few versions and only one of them will work with odin. The bootloader is a must if you want lollipop builds and without that you will end up in bootloops. If you got Cwm then just stick with that.
Try flashing hyperdrive rom and see if it works. Hyperdrive is kitkat. It's a very stable rom and it works perfectly for me.
Sent from my SM-N920C using Tapatalk
Zionator said:
OK I use twrp recovery. When selecting the twrp from there home page be sure to select the correct one as they got a few versions and only one of them will work with odin. The bootloader is a must if you want lollipop builds and without that you will end up in bootloops. If you got Cwm then just stick with that.
Try flashing hyperdrive rom and see if it works. Hyperdrive is kitkat. It's a very stable rom and it works perfectly for me.
Sent from my SM-N920C using Tapatalk
Click to expand...
Click to collapse
Is there Hyperdriveis for sm-n900 too?¿ I found this(http://forum.xda-developers.com/showthread.php?t=2709867) and it's for n900t or for versions of n9005.
And about TWRP, you mean that there is the tar file which I can flash via odin. Does it matter which version, because there was something confusing in the home page("TWRP Install (Requires TWRP 2.8.4 or higher already installed)" - contradiction )
Just flash the latest tar file. No need to have a previous version of twrp on the phone.
Just make sure that the version you flash matches your phone.
audit13 said:
Just flash the latest tar file. No need to have a previous version of twrp on the phone.
Just make sure that the version you flash matches your phone.
Click to expand...
Click to collapse
I tried again with caution - I saw in some guides to tick off the auto reboot, flash TWRP, pull off the battery, return it, go streight to recovery
but the result is - stuck on boot screen while going to recovery mode
I used odin3 v3.10 and flashed TWRP 2.8.7.0
elad546 said:
I tried again with caution - I saw in some guides to tick off the auto reboot, flash TWRP, pull off the battery, return it, go streight to recovery
but the result is - stuck on boot screen while going to recovery mode
I used odin3 v3.10 and flashed TWRP 2.8.7.0
Click to expand...
Click to collapse
That's wierd. Are you sure you downloaded for ha3g?
Sent from my SM-N920C
Rosli59564 said:
That's wierd. Are you sure you downloaded for ha3g?
Sent from my SM-N920C
Click to expand...
Click to collapse
Yes, in addition, I tried more than one version
elad546 said:
Yes, in addition, I tried more than one version
Click to expand...
Click to collapse
You said you can flash cwm. Flash cwm through odin. Then find flashable twrp and flash it thru cwm.
Or you can use terminal emulator to flash twrp. You can find the instructions in twrp page as well.
Sent from my SM-N920C
Rosli59564 said:
You said you can flash cwm. Flash cwm through odin. Then find flashable twrp and flash it thru cwm.
Or you can use terminal emulator to flash twrp. You can find the instructions in twrp page as well.
Sent from my SM-N920C
Click to expand...
Click to collapse
Tried thru CWM but it said installation aborted.
Tried thru adb(in ubuntu) as usual stuck in recovery on the boot image.
In the terminal emulator nothing happen(I assume it is my mistake, because it didn't even gave response to the command)
***********************************
EDIT : In one of the previous replies I wrote that I thought I changed the bootloader, but I mistaked it with the baseband(only maybe the bootloader too, I pretty sure yes), sorry about this confusion
elad546 said:
Tried thru CWM but it said installation aborted.
Tried thru adb(in ubuntu) as usual stuck in recovery on the boot image.
In the terminal emulator nothing happen(I assume it is my mistake, because it didn't even gave response to the command)
***********************************
EDIT : In one of the previous replies I wrote that I thought I changed the bootloader, but I mistaked it with the baseband(only maybe the bootloader too, I pretty sure yes), sorry about this confusion
Click to expand...
Click to collapse
Could you attach odin log?. Have you disable reactivation lock?
Sent from my SM-N920C
Rosli59564 said:
Could you attach odin log?. Have you disable reactivation lock?
Sent from my SM-N920C
Click to expand...
Click to collapse
Reactivation lock is disabled.
Odin log for the TWRP flash?¿ if so, it doesn't show something different from CWM flash
----------------------
<ID:0/003> Added!!
<ID:0/003> Odin engine v(ID:3.1005)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Initialzation..
<ID:0/003> Get PIT for mapping..
<ID:0/003> Firmware update start..
<ID:0/003> SingleDownload.
<ID:0/003> recovery.img
<ID:0/003> NAND Write Start!!
<ID:0/003> RQT_CLOSE !!
<ID:0/003> RES OK !!
<ID:0/003> Removed!!
<ID:0/003> Remain Port .... 0
<OSM> All threads completed. (succeed 1 / failed 0)
----------------------
btw I saw in photos/vidios that when they get into recovery mod, there is a messege like "recovery booting". I don't see one, is that part of the problem?¿
Seems legit.
First post you said you managed to install cwm. Now you can't?.
Sent from my SM-N920C
Rosli59564 said:
Seems legit.
First post you said you managed to install cwm. Now you can't?.
Sent from my SM-N920C
Click to expand...
Click to collapse
I still can, but I assume that there is connection between the inability to install the other recoveries and the custom rom, so trying change recovry can make progress too.
The question is what the difference between the CWM to other recoveries, that make it the only one to be able to be installed
elad546 said:
I still can, but I assume that there is connection between the inability to install the other recoveries and the custom rom, so trying change recovry can make progress too.
The question is what the difference between the CWM to other recoveries, that make it the only one to be able to be installed
Click to expand...
Click to collapse
Check your inbox. I've sent you a message.
Sent from my SM-N920C
I manged to install TWRP
I went to an older version(2.6.3.7) and it worked
I will now try to work with it and update if there is a change in the result
**************************************
UPDATE : no success from TWRP eather

Note 4 910C Boot loop only with stock rom

I was playing around trying to install CM 12.1 for 910C and I did sucessfully using TWRP 2.8.1.2 and every thing went fine till i wanted to go back to stock rom (N910CXXU1COI4_N910COJV1COH1_N910CXXU1COI4) but after flashing with odin it starts with "installing system updates" but after like 25% it stops and writes "Erasing" then fall into a boot loop stuck on Samsung logo (and recovery shows KNOX: 1)
When I tried to install the custom recovery and rom the phone boots normally
Tried back and forth and tried CWM recovery but every time i go back to stock i get stuck
Any help
Thanks
Mee too. I user cm 13 and flash stock odin and smart swich.
It bootloot at logo. Sad
aalim said:
I was playing around trying to install CM 12.1 for 910C and I did sucessfully using TWRP 2.8.1.2 and every thing went fine till i wanted to go back to stock rom (N910CXXU1COI4_N910COJV1COH1_N910CXXU1COI4) but after flashing with odin it starts with "installing system updates" but after like 25% it stops and writes "Erasing" then fall into a boot loop stuck on Samsung logo (and recovery shows KNOX: 1)
When I tried to install the custom recovery and rom the phone boots normally
Tried back and forth and tried CWM recovery but every time i go back to stock i get stuck
Any help
Thanks
Click to expand...
Click to collapse
Did you do a SWM recovery before flashing CM12? Hopefully...
If so restore that. If not, lesson learned.
What were you running before you tried CM12?
Looks like it was older than COI4 and it knows it.
Knox is 1 because it knows you flashed something other than an official stock rom.
I use stock. Flash twrp and wide and flash cm 13. After odin stock and bootlook
Please help me. I speek englis not good. Sorry
1. before that I was using Stock (XSG-N910CXXU1COI4-20150925140936) 5.1.1 flashed through odin and Knox was 0
2. I then installed TWRP 2.8.2.1 then installed (cm-13.0-20151215-UNOFFICIAL-treltexx) then (cm-12.1-20151202-UNOFFICIAL-treltexx)
3. then I flashed the COI4 again and it did the problem
I did not install any radios bootloaders or kernels
the weird thing is that now all roms i download other that CM gives me zip verification error and cannot install
so is there any solution ?
Thanks
dicksteele said:
Did you do a SWM recovery before flashing CM12? Hopefully...
If so restore that. If not, lesson learned.
What were you running before you tried CM12?
Looks like it was older than COI4 and it knows it.
Knox is 1 because it knows you flashed something other than an official stock rom.
Click to expand...
Click to collapse
After flash CM 13 i have problem i cant flash stock official rom
Knox is 1 wtf how to fix this problem?
Fikret488 said:
After flash CM 13 i have problem i cant flash stock official rom
Knox is 1 wtf how to fix this problem?
Click to expand...
Click to collapse
Not sure how I can state it any clearer than this
Knox is 1 because it knows you flashed something other than an official stock rom.
You will never be able to fix/clear it. You have tripped the Knox security.
Perhaps you should do more reading before you attempt things on your phone.
---------- Post added at 08:03 PM ---------- Previous post was at 08:01 PM ----------
aalim said:
1. before that I was using Stock (XSG-N910CXXU1COI4-20150925140936) 5.1.1 flashed through odin and Knox was 0
2. I then installed TWRP 2.8.2.1 then installed (cm-13.0-20151215-UNOFFICIAL-treltexx) then (cm-12.1-20151202-UNOFFICIAL-treltexx)
3. then I flashed the COI4 again and it did the problem
I did not install any radios bootloaders or kernels
the weird thing is that now all roms i download other that CM gives me zip verification error and cannot install
so is there any solution ?
Thanks
Click to expand...
Click to collapse
Flash a stock ROM. The COI4 is good, it's working. What you are missing is after you get stuck on the logo, try pulling the battery. Boot into the stock recovery and do a factory reset. That should fix it.
aalim said:
1. before that I was using Stock (XSG-N910CXXU1COI4-20150925140936) 5.1.1 flashed through odin and Knox was 0
2. I then installed TWRP 2.8.2.1 then installed (cm-13.0-20151215-UNOFFICIAL-treltexx) then (cm-12.1-20151202-UNOFFICIAL-treltexx)
3. then I flashed the COI4 again and it did the problem
I did not install any radios bootloaders or kernels
the weird thing is that now all roms i download other that CM gives me zip verification error and cannot install
so is there any solution ?
Thanks
Click to expand...
Click to collapse
Duplicate post...
SOLVED here is the Link
Thanks to @dawnfx
check this solution for problem restoring EFS and "not registered" problem and wrong IMEI
http://forum.xda-developers.com/galaxy-s2/general/guide-recover-imei-9-steps-t1264021

N910C EFS partition is ?corrupted? Not a single ROM boots. In dire need of help.

Everything was fine until I flashed CM13 unofficial.
Now, my bootloader is updated to 6.0 (COJ5 something or COH4), I can't revert to something prior to that: odin fails at sboot.bin NAND write start fail.
-While this issue has occured to many others than me, I'm the only one who can't even boot into CM13 or AOSP based ROMs, even after pushing different variants of ROMs several times through ADB, bootloops are still persistent.
-Any other 5.1.1 Official ROM that's not COJ5 or COH4 fails to flash at odin. COJ5/COH4 ROMS flash succesfully, but the phone doesn't boot past the samsung text.
-I have tried flashing various COH4 ROMS along with their AP,BL,CSC etc, everything flashes succesfully apart from the bootloader file, and after that it's the same samsung text brick. I couldn't find the PIT files (bootloader csc n such) for COJ5..
Is there a place I can find a backed up EFS partion ?file? and restore it myself? Would this get me out of the****hole i'm currently in?
What can I do about this...
Nortabun said:
Everything was fine until I flashed CM13 unofficial.
Now, my bootloader is updated to 6.0 (COJ5 something or COH4), I can't revert to something prior to that: odin fails at sboot.bin NAND write start fail.
-While this issue has occured to many others than me, I'm the only one who can't even boot into CM13 or AOSP based ROMs, even after pushing different variants of ROMs several times through ADB, bootloops are still persistent.
-Any other 5.1.1 Official ROM that's not COJ5 or COH4 fails to flash at odin. COJ5/COH4 ROMS flash succesfully, but the phone doesn't boot past the samsung text.
-I have tried flashing various COH4 ROMS along with their AP,BL,CSC etc, everything flashes succesfully apart from the bootloader file, and after that it's the same samsung text brick. I couldn't find the PIT files (bootloader csc n such) for COJ5..
Is there a place I can find a backed up EFS partion ?file? and restore it myself? Would this get me out of the****hole i'm currently in?
What can I do about this...
Click to expand...
Click to collapse
Hi, this may help you http://forum.xda-developers.com/note-4/help/fix-note4-exynos-n910c-bootloop-problem-t3312161
mangui said:
Hi, this may help you http://forum.xda-developers.com/note-4/help/fix-note4-exynos-n910c-bootloop-problem-t3312161
Click to expand...
Click to collapse
Yea i came across this, but there was one tiny problem
how on earth am i supposed to root, get busybox, and apply usb debugging on my phone while it has no functional ROM?
and how on earth am i supposed to transfer a backup from my ROMless phone?
Do you have a pit file for repartition
If so, access twrp , wipe everything including your internal storage. Then boot into download mode.
In the computer, load the pit file and your stock coj5 into Odin 3.10 , tick "repartition" and "Nand Erase All"then click start.
Back to your phone - which now should be boot looping - access the stock recovery and wipe. Root - try using a different root method like chainfire's Odin autoroot - then twrp ur phone. Flash cm13 then start running the steps I threaded ( [fix] note 4 exynos bootloop problem ...... )
PM me for what you get
Sent from my HTC Desire 820s dual sim using Tapatalk

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