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How to unlock note 3 bootloader : Secure download :Enable

On download mode my note 3 shows SECURE DOWNLOAD : ENABLE in blue colour which I guess means my bootloader is locked . Whenever I flash any custom rom like cyanogen mod or any custom kernel I get stuck on kernel is not seandroid enforcing set warranty bit kernel . I'm currently on stock lollipop rom .
so my question is how to unlock note 3 bootloader so I can flash custom rom (I can flash and boot rom darkera but not cyanogenmod or aosp , aokp rom)
And how to remove SECURE DOWNLOAD : ENABLE from download mode
Please Please help

Secure download enable doesn't means locked bootloader. If your phone model is n9005, it unlocked already.
Sent from my SM-N920C

Theres no unlocking for Samsung, you have Odin for that. Flash a custom recovery with it, boot in there and install the custom ROM. Done. There are dozens of manuals for that in here ^^ (Thats the 3rd time I post this one in a row... GUYS, ONE POST IS ENOUGH!)

i have samsung not 3. when i start a message id flashed and my mobile gets block. can anyone help me to inlock my mobile
fayaz

Which note 3 do you have? What message appears? Which rom is on the phone?

baig50 said:
i have samsung not 3. when i start a message id flashed and my mobile gets block. can anyone help me to inlock my mobile
fayaz
Click to expand...
Click to collapse
Information about to be flashed ROM, current ROM, current mobile, COMPLETE error message like.... by taking a picture of it, would be quite useful. Otherwise noone can help you because sadly the mods disabled glass ball support in here

Hi, I need some help.
I have Note 3 SM-N9005 Lollipop 5.0 stock rom (N9005XXEGBNL8) and rooted with TWRP recovery. I really want Xposed, tried to flash it and got stuck in bootloop, so I tried deodexing my rom, I did it with Joel Droid Lollipop Batch Deodexer, it went well until I tried to install it with TWRP, instant bootloop again, then I tried flashing any custom rom with TWRP and before flashing I always do advanced wipe, but nothing helps, roms doesn't even start installing, my phone just reboots and I'm in a bootloop again, but after flashing rom bootloop is different it doesn't show Samsung logo it just shows Samsung Galaxy Note 3 SM-N9005. So my question is can it be bootloader and if so how can I unlock it? Or is it something entirely different?
Please help...

misskiss said:
Hi, I need some help.
I have Note 3 SM-N9005 Lollipop 5.0 stock rom (N9005XXEGBNL8) and rooted with TWRP recovery. I really want Xposed, tried to flash it and got stuck in bootloop, so I tried deodexing my rom, I did it with Joel Droid Lollipop Batch Deodexer, it went well until I tried to install it with TWRP, instant bootloop again, then I tried flashing any custom rom with TWRP and before flashing I always do advanced wipe, but nothing helps, roms doesn't even start installing, my phone just reboots and I'm in a bootloop again, but after flashing rom bootloop is different it doesn't show Samsung logo it just shows Samsung Galaxy Note 3 SM-N9005. So my question is can it be bootloader and if so how can I unlock it? Or is it something entirely different?
Please help...
Click to expand...
Click to collapse
Maby look here
http://forum.xda-developers.com/xposed/official-xposed-lollipop-t3030118

samsung galaxy note 3 SM-N9005 has been stuck in downloading mode
Actually,i had rooted my device yesterday now, when i am trying to install cutom recovery TWRP on my device it suddenly rebooted and locked at downloadin mode.
Can,anyone suggest me any way to reboot again to normal touchwiz mode

Suggests you flashed the wrong recovery for your model .CHECK
See multiple identical posts .
READ the TWRP thread .

To the phone back to stock, flash the phone with Odin and a stock ROM from Sammobile.com.

An error has occured while updating the device software

Hi.
I am currently stuck at a blue screen that says "an error has occured while updating the device software." I rooted which went fine, but when I went to add TWRP I was unable to access recovery. Each time I would try to access recovery it would say something like "system software not authorized by ATT has been found on your phone." So I decided to revert back to stock using Odin and the firmware from Sammobile, that however failed and now I'm stuck on the "an error has occured while updating the device software."
- I can get into download mode
- I can NOT get into recovery and havent been able to since I rooted
- I had just upgraded to 7.0 ota right before I rooted
- I've tried flashing with Kies however it just keeps asking me to enter a model number
- I've tried flashing with Smart Switch but after I enter the model number and serial number the app closes and nothing happens
- Odin fails everytime, have also tried patched Odin which I used to root and fails as well
Edit: Could it be that I need to flash 7.0 firmware instead of 6.0.1? I read something about the bootloader not allowing downgrades?
Please help?

shane1088 said:
Hi.
I am currently stuck at a blue screen that says "an error has occured while updating the device software." I rooted which went fine, but when I went to add TWRP I was unable to access recovery. Each time I would try to access recovery it would say something like "system software not authorized by ATT has been found on your phone." So I decided to revert back to stock using Odin and the firmware from Sammobile, that however failed and now I'm stuck on the "an error has occured while updating the device software."
- I can get into download mode
- I can NOT get into recovery and havent been able to since I rooted
- I had just upgraded to 7.0 ota right before I rooted
- I've tried flashing with Kies however it just keeps asking me to enter a model number
- I've tried flashing with Smart Switch but after I enter the model number and serial number the app closes and nothing happens
- Odin fails everytime, have also tried patched Odin which I used to root and fails as well
Edit: Could it be that I need to flash 7.0 firmware instead of 6.0.1? I read something about the bootloader not allowing downgrades?
Please help?
Click to expand...
Click to collapse
Why would you try installing TWRP on a AT&T S7 Edge which the bootloader is locked, that's one reason you can't go to recovery, basically you bricked your AT&T S7 Edge, try to odin Stock AT&T S7 Edge Nougat see if that gives you recovery back, and do not try installing TWRP again, if your able to Odin back to stock, good luck!
Running On Samsung Galaxy S7 Edge G935A Wicked Venom

Venom0642 said:
Why would you try installing TWRP on a AT&T S7 Edge which the bootloader is locked, that's one reason you can't go to recovery, basically you bricked your AT&T S7 Edge, try to odin Stock AT&T S7 Edge Nougat see if that gives you recovery back, and do not try installing TWRP again, if your able to Odin back to stock, good luck!
Running On Samsung Galaxy S7 Edge G935A Wicked Venom
Click to expand...
Click to collapse
I'll try that. And why? My own incompetence I suppose....however I couldn't access stock recovery after I rooted either, before I tried to install TWRP, so I'm not sure how that factors in?

Venom0642 said:
Why would you try installing TWRP on a AT&T S7 Edge which the bootloader is locked, that's one reason you can't go to recovery, basically you bricked your AT&T S7 Edge, try to odin Stock AT&T S7 Edge Nougat see if that gives you recovery back, and do not try installing TWRP again, if your able to Odin back to stock, good luck!
Running On Samsung Galaxy S7 Edge G935A Wicked Venom
Click to expand...
Click to collapse
Flashing nougat worked! Just wanted to say thank you for your input!

S8 G950F - stuck on verification following unroot.

hi
ive got a s8, which was rooted using magisk, but was having issue, so was advised to unroot, remote and try superSU instead.
in the process of flashing stock rom AND 8.0, the phone now boots up to black screen showing verification failed, only option to reset.
when i press reset, all it does is restarts, loads up TWRP which had been installed before,
TWRP runs some program and fails and then phone goes back to black screen showing verification failed.
ive booted it into download mode, in the hope that i can just start again by simply lashing fresh stock rom, but it connects to odin fine, but when i click start, it gives a red error every time.
so i cant access the standard recovery menu as ive got TWRP so that loads instead and it looks as that is corrupted and i cant flash new fresh rom from download as odin brings up issue
ive check another phone and there is no issue with odin or the usb-c cable,
there is an issue with the s8 and odin does not like something in the s8 so wont let me flash anything to it,
any advice would be greatly appreicated.

When you flashed the stock rom using odin did you flash a bootloader aswell as the rom or did you just flash the rom the problem might be that the bootloader was for pie and the rom is oreo or vice versa whenever I flash back to stock I fill all but one of the boxes in odin

i suspect it was all oreo, as i downloaded as a complete file but ill check and get back to you
thanks for advice.

Custom Binary Blocked By FRP lock, please help.

i've tried following tutorials, flashing the device, and nothing is removing this irritating text "Custom binary blocked by FRP lock" on my s7 edge 8.0.0 oreo, even worse is that nobody bothers to help me with this issue. My phone is stuck in a boot loop with this aswell and can not access anything past the boot logo, all i can access is the download mode, can't access TWRP. This happened after i uninstalled google play services to install an older google play services APK in an attempt to bypass the security so i could spoof Pokemon go on my android. I have not found a fix anywhere and have been searching for a few days please help. This issue occured after i restarted my phone: for reference (https:.)//w(ww.reddit.)com/r/PokemonGoSpoofing/comments/9kzcfg/tutorial_android_unrooted_spoofing_android_6/

Try reinstalling the operating system using Odin. It will completely wipe your phone. So, if you have some photos or video or other valuable things in your phone's memory, you can say goodbye to them

Your only option is flash stock firmware via Odin. Next time you flash TWRP tick OEM unlock under developer settings. Having OEM unlock off and flashing TWRP is what causes Binary locks.

Hello,
I am having the same issue, I have an S7 edge from the UK with O2. I tried flashing back to the stock firmware with Odin and it failed every time, I tried with multiple Android versions and Odin versions.

finlaywood123 said:
Hello,
I am having the same issue, I have an S7 edge from the UK with O2. I tried flashing back to the stock firmware with Odin and it failed every time, I tried with multiple Android versions and Odin versions.
Click to expand...
Click to collapse
please see reply in the thread you started on the same topic

Samsung Galaxy S5 Active sm-g870a Help

Hello!
I apologize if this isn't the right place to ask, but I haven't found a section for a Samsung Galaxy S5 Active!
I am a complete newbie and haven't flashed to my phone since I had a Samsung Galaxy S3 back in 2018. In this case, I'm trying to find a root and install twrp recovery, so I can install lineageOS on my phone. The stock rom is so laggy!
My phone's recovery won't let me just install lineageOS, so I have to install a custom recovery.
So far, all the one-click roots haven't worked. Towelroot, kingsroot, oneclickroot, all failed.
The official twrp recovery didn't work either and did not give me a compatible rom.
I tried to locate an unofficial twrp recovery compatible with my device, and I think I found one. The issue is that it odin does not flash a .img file.
I'm going to try this method of downgrading the stock rom.
EDIT: Doing this gives me a SW REV CHECK FAIL: [aboot] Fused 2 > Binary 1
Trying this now: https://forum.xda-developers.com/t/guide-g870a-downgrade-s5-active-mm6-0-lp5-0.3523683/
EDIT: unsuccessful. Soft brick of OS; need to flash again or try something else...I tried to leave the phone out all night, but it never got past boot screen.
EDIT2: tired again and somewhat successful. Samsung boot screen is different and so is the boot recovery! The darn phone still won't boot though!!
EDIT3: Had to reboot the phone 3 times and got the android is upgrading screen...YAY!! But, the system process.media fails randomly.
Any tips? If I could just get twrp on, that would fix everything! Thank you!!
Found a supposedly compatible twrp here: https://dl.twrp.me/klte/twrp-3.5.2_9-0-klte.img.tar.html
Issue is odin fails when flashing...I am getting the auth error!!
One of the few usable recoveries: https://forum.xda-developers.com/t/...estrap-recovery-v3-75-2014-06-26-b03.2794087/

Hi, I am also looking to put LineageOS on my device as well.
The most I have found so far is the S5 Active (SM-G870A) has an OEM locked bootloader, and without unlocking it a custom recovery is not available.
AT&T, nor Samsung have provided any way to unlock the bootloader as far as I know, and I'm not sure if any developers are still working to crack it.