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[Q] Is any .apk or method is avilable to unlock bootloader of samsung galaxy S5

Hi,
I am using samsung galaxy S5 SM-G900R7, i am able to root this phone then started trying flashing of custom boot.img contating custom zImage. ODIN is showing successful flashing , but when i am restarting its always going in download mode with error message "couldn't do normal boot" . In download mode there is a line "QUALOCM SECUREBOOT : ENABLE". I doubt this is beacuse of locked bootloader.
I want to know is it really beacuse of locked bootloader?
I downloaded kernel for my phone model from samsung official website mentioned below and built in same way they have given instruction, so i ahve less doubt on custom zImage.
http://opensource.samsung.com/reception/receptionSub.do?method=sub&sub=F&searchValue=900r7
if yes then i have second question is it unlockable or not, i am not getting any unlocking method for samsung galaxy S5. whatever info i am getting regarding unlocking is upto galaxy S3 but not helpful for galaxy S5. PLease help me to come to a final conclusion on flashing custom zImage to phone.

arvind3023 said:
Hi,
I am using samsung galaxy S5 SM-G900R7, i am able to root this phone then started trying flashing of custom boot.img contating custom zImage. ODIN is showing successful flashing , but when i am restarting its always going in download mode with error message "couldn't do normal boot" . In download mode there is a line "QUALOCM SECUREBOOT : ENABLE". I doubt this is beacuse of locked bootloader.
I want to know is it really beacuse of locked bootloader?
I downloaded kernel for my phone model from samsung official website mentioned below and built in same way they have given instruction, so i ahve less doubt on custom zImage.
http://opensource.samsung.com/reception/receptionSub.do?method=sub&sub=F&searchValue=900r7
if yes then i have second question is it unlockable or not, i am not getting any unlocking method for samsung galaxy S5. whatever info i am getting regarding unlocking is upto galaxy S3 but not helpful for galaxy S5. PLease help me to come to a final conclusion on flashing custom zImage to phone.
Click to expand...
Click to collapse
As far as I'm aware most Samsung devices if not all have unlocked bootloaders, as for a soloution I haven't seen anything really but some say you need to re-flash stock then try from scrath or make a backup after reflashing stock and a custom recovery then format and restore to get it working.

TechMinerUK said:
As far as I'm aware most Samsung devices if not all have unlocked bootloaders, as for a soloution I haven't seen anything really but some say you need to re-flash stock then try from scrath or make a backup after reflashing stock and a custom recovery then format and restore to get it working.
Click to expand...
Click to collapse
Thanks a lot for your reply,
I searched regarding this and i found latest samsungs are coming with KNOX security in which SECUREBOOT is there, which doesn't allow phone to boot with any boot image if chacksum value doesn't match. so i feel even if bootloader is not locked here but same thng KNOX security is doing. Help me if you have any idea how to disable it in samsung galaxy S5. Getting way how to disable in previous series but not finding method how to do for galaxy S5.

arvind3023 said:
Thanks a lot for your reply,
I searched regarding this and i found latest samsungs are coming with KNOX security in which SECUREBOOT is there, which doesn't allow phone to boot with any boot image if chacksum value doesn't match. so i feel even if bootloader is not locked here but same thng KNOX security is doing. Help me if you have any idea how to disable it in samsung galaxy S5. Getting way how to disable in previous series but not finding method how to do for galaxy S5.
Click to expand...
Click to collapse
Looks like getting rid of KNOX is a difficult task but not impossible: http://www.s4miniarchive.com/2013/12/how-to-remove-knox-bootloader-from-new.html

TechMinerUK said:
Looks like getting rid of KNOX is a difficult task but not impossible: http://www.s4miniarchive.com/2013/12/how-to-remove-knox-bootloader-from-new.html
Click to expand...
Click to collapse
Thanks for your reply,
I think your post brought me closer to soltution. Tommorw i have to try this. The only problem now i have that i am not getting firmware for my phone model SM-900R7, I am getting firmware for model number SM-900R6 which is very close to this not not exactly for SM-900R7. I have to search more to get it, i hope i will be able to find it.
Thanks again for your valuable post.

arvind3023 said:
Thanks for your reply,
I think your post brought me closer to soltution. Tommorw i have to try this. The only problem now i have that i am not getting firmware for my phone model SM-900R7, I am getting firmware for model number SM-900R6 which is very close to this not not exactly for SM-900R7. I have to search more to get it, i hope i will be able to find it.
Thanks again for your valuable post.
Click to expand...
Click to collapse
No problem, good luck with removing KNOX

TechMinerUK said:
No problem, good luck with removing KNOX
Click to expand...
Click to collapse
Hi,
Yesterday night you posted a link, that link was good but still my requirement is different.Yesterday i was not able to go through whole link you provided to me, today i was reading the whole article. its looks like they are trying to save warrany of phone even after flashing custom ROM. They are deleting bootloader contents of flashing ROM, even i will flash custom ROM with deleted bootloader contents, In phone bootloader will remain same with KNOX SECUREBOOT feature. My target is to flash with KNOX disabled bootloader so it will not stop booting with custom zImage.

TechMinerUK said:
No problem, good luck with removing KNOX
Click to expand...
Click to collapse
Actaully that link was removing KNOX from firmware which you are going to flash not from phone if you have already KNOX is there. That is for if your mobile is not having KNOX and you dont want KNOX when you are going to flash with recent updated firmware so you can delete KNOX contents from firmware and can flash.

arvind3023 said:
Actaully that link was removing KNOX from firmware which you are going to flash not from phone if you have already KNOX is there. That is for if your mobile is not having KNOX and you dont want KNOX when you are going to flash with recent updated firmware so you can delete KNOX contents from firmware and can flash.
Click to expand...
Click to collapse
Hmm, it appears it not possible due to it having a locked bootloader/KNOX not being removable
http://forum.xda-developers.com/verizon-galaxy-s5/help/g900r7-problem-t2877527

TechMinerUK said:
Hmm, it appears it not possible due to it having a locked bootloader/KNOX not being removable
http://forum.xda-developers.com/verizon-galaxy-s5/help/g900r7-problem-t2877527
Click to expand...
Click to collapse
Thats my problem is i am not getting concrete answer either some good link or something official from samsung to come to conclusion of NO, searching searching trying this and that with a hope that its possible.

arvind3023 said:
Thats my problem is i am not getting concrete answer either some good link or something official from samsung to come to conclusion of NO, searching searching trying this and that with a hope that its possible.
Click to expand...
Click to collapse
I would pressume their will be some method of doing it and if it's not released yet it will be soon...
I guess it's just best to bide time and wait untill a concrete method has been developed

Safe To Root This Version Of Edge?

I am ready to root my device and check out all the custom ROMS/creations that the greats around here have created. BUT - I saw there was a list of incompatible devices, however it is a dead link and I can not see the bad devices when I click the link. Here are my device specs
Code:
model
samsung-sm-n915a
version
6.0.1
kernal
3.10.10-8932341
build
mmb29m.n915aucu2dph5
Am I safe to root? And if yes, can someone point me to a good download of the factory image, just in case I screw the pooch on something? I can't find a good download for that either.
Thanks in advance everyone.
And if it is not listed in any of the jargon above, this is an ATT USA device. Also, here is one of the dead links http://autoroot.chainfire.eu/
Does this method work, or will I brick my device attempting it?
http://trueandroid.com/en/how-to-root-samsung-galaxy-note-edge-sm-n915a-att-without-pc/

King Root doesn't work on 6.0.1. I'm having the same problem

I rooted my n915f few days back wasnt an issue even tho I couldn't find the cf auto root for my build in the list. You should be fine using odin.

SubhanFLX said:
I rooted my n915f few days back wasnt an issue even tho I couldn't find the cf auto root for my build in the list. You should be fine using odin.
Click to expand...
Click to collapse
OP was asking about N915A not F

Don't Attempt Root
Do not try that method. I guarantee it will brick your phone. Bootloader on AT&T version is locked and will not be getting an unlock method ever.
If you already did it and bricked.. look for the Marshmallow OTA files for restore via Odin specific to the AT&T version you have. I bricked my note 4 AT&T attempting root and recovered via Odin and stock firmware files. And i know i did this to a note 4 all att Samsung notes of the same generation have the same locked bootloader ='ing no root ever ?
jo15765 said:
I am ready to root my device and check out all the custom ROMS/creations that the greats around here have created. BUT - I saw there was a list of incompatible devices, however it is a dead link and I can not see the bad devices when I click the link. Here are my device specs
Code:
model
samsung-sm-n915a
version
6.0.1
kernal
3.10.10-8932341
build
mmb29m.n915aucu2dph5
Am I safe to root? And if yes, can someone point me to a good download of the factory image, just in case I screw the pooch on something? I can't find a good download for that either.
Thanks in advance everyone.
And if it is not listed in any of the jargon above, this is an ATT USA device. Also, here is one of the dead links http://autoroot.chainfire.eu/
Does this method work, or will I brick my device attempting it?
http://trueandroid.com/en/how-to-root-samsung-galaxy-note-edge-sm-n915a-att-without-pc/
Click to expand...
Click to collapse

[Completed] Help needed!!!!!

I have a Samsung Galaxy s6 G920A and I Tried to downgrade to 5.1.1 firmware. After flashing with odin it gets stuck at the Samsung boot screen. It will not enter recovery. I can only enter odin mode. I can only assume that marshmallow has locked in the bootloader so it cannot be downgraded. I recently found out you can unlock it but I do not have a way to as long as I cannot boot the phone. The only thing I can think of is to get a flashable, threw odin for the marshmallow firmware but I cannot find it online anywhere. If there is anyone who knows how to make one or has one already that can be uploaded, I would love to fix my softbricked phone.

Hi
This is the only thread I could find
http://forum.xda-developers.com/att-galaxy-s6/general/sm-g920a-stock-firmware-g920aucs4cpf1-t3430296
You can also browse the link below to see if theres more
http://forum.xda-developers.com/att-galaxy-s6/general
If you have further questions for your device, please post in your device Q&A
http://forum.xda-developers.com/att-galaxy-s6/help
Good luck and welcome to XDA

Thanks but did not work

chris62594 said:
Thanks but did not work
Click to expand...
Click to collapse
Try requesting for the file in your device Q&A which i posted earlier. Hopefully someone may have the file youre looking for

Please help!!

I dont know anythinabout rooted phones. I have samsung galaxy j7oot but it is now through cricket wireless... some how i bricked the phone, i guess the previous owner had it rooted. It says (custom binary blocked by frp lock) in red at the top left of the screen and i dont know how to fix it. Pleas3 someone anyone help me! I need my phone for the baby sitter and work and i cant afford to by a new one at the moment! Im desperate!

Can you return it to the person you bought it from? Unfortunately, it doesn't sound like there's any easy way to fix it. Sorry.
By the way, in any internet forum, it's helpful and courteous to use an informative subject line. That way, people can scan the subject lines to see which topics they're interested in following or contributing to, and can find their way back to a thread they're interested in. You'll also get more helpful responses if you do that.
Good luck.

Fix Brick
First you should post in the S7 group, rhis us showing up in the S8 group...
You have probably lost everything on the phone, but may be able to fix it still...
You will need to find the stock ROM for your phone. It should be posted in the S7 forum. You will also need the ODIN software for your PC. Instructions for flashing the ROM using ODIN should also be in the forum.
Wish You luck!
erisdgaf20 said:
I dont know anythinabout rooted phones. I have samsung galaxy j7oot but it is now through cricket wireless... some how i bricked the phone, i guess the previous owner had it rooted. It says (custom binary blocked by frp lock) in red at the top left of the screen and i dont know how to fix it. Pleas3 someone anyone help me! I need my phone for the baby sitter and work and i cant afford to by a new one at the moment! Im desperate!
Click to expand...
Click to collapse

Jdaniels10 said:
First you should post in the S7 group, rhis us showing up in the S8 group...
You have probably lost everything on the phone, but may be able to fix it still...
You will need to find the stock ROM for your phone. It should be posted in the S7 forum. You will also need the ODIN software for your PC. Instructions for flashing the ROM using ODIN should also be in the forum.
Wish You luck!
Click to expand...
Click to collapse
I think he has a Samsung Galaxy J7.

erisdgaf20 said:
I dont know anythinabout rooted phones. I have samsung galaxy j7oot but it is now through cricket wireless... some how i bricked the phone, i guess the previous owner had it rooted. It says (custom binary blocked by frp lock) in red at the top left of the screen and i dont know how to fix it. Pleas3 someone anyone help me! I need my phone for the baby sitter and work and i cant afford to by a new one at the moment! Im desperate!
Click to expand...
Click to collapse
I did this to myself when I enabled all the Google security and accidently unclicked oem unlock after I rooted the phone.
I ended up with the same msg. Couldn't get Into recovery.
I used smart switch on pc. Used emergency recovery entered my serial number. And it got me up and running.

Root for Verizon Prepaid Galaxy j7?

Hi,
I was wondering if there is a root method for the Samsung Galaxy j7 Verizon's 2017 edition (SM-J727VPP). Is it even possible? I read that the bootloader for verizon phones are locked so you can't root them. Is this correct?
Thanks.

I'm on the same boat. I love the phone but not sure how to root it. Anyone know if the other root methods work for this phone?

I just bought this phone as well. Anyone dedicated into developing an unlock method for the bootloader and custom recovery would greatly be appreciated.

YanniFan said:
Hi,
I was wondering if there is a root method for the Samsung Galaxy j7 Verizon's 2017 edition (SM-J727VPP). Is it even possible? I read that the bootloader for verizon phones are locked so you can't root them. Is this correct?
Thanks.
Click to expand...
Click to collapse
I haven't tried on this one yet (scared) but with Verizon's bootloader I know that its pretty much permanently locked.
... at the very least for now,
Meaning, it MAY be possible to get root BUT that would b where the road ended... no custom roms.... etc.

Root better than nothing.
Sent from my SM-J700P using Tapatalk

Maybe you can try the app in this video for Windows looks like it has a big list of various Samsung models
I tried the link in the video but it takes you to a 4shared link that seems kind of spammy so I searched for the file on Google and found it eventually about to try it on the PC right now..
Tried it its a jtag app that need a box to flash firmware
We need to find a 7.1 n root exploits that work or find a way to dump the firmware I can't find any restore firmwares online yet

J727VPP Firmwares
artist.skywarp said:
Maybe you can try the app in this video for Windows looks like it has a big list of various Samsung models
I tried the link in the video but it takes you to a 4shared link that seems kind of spammy so I searched for the file on Google and found it eventually about to try it on the PC right now..
Tried it its a jtag app that need a box to flash firmware
We need to find a 7.1 n root exploits that work or find a way to dump the firmware I can't find any restore firmwares online yet
Click to expand...
Click to collapse
I have the stock firmware for j727VPP, the QB2 bootloader version to be exact, which is stock. It's Odin flushable , if u need it for any reason restore or w.e let me know n send me an email @ [email protected] . Also, Verizon just came out with a update for j727vpp which changed the bootloader to QF3. Do not update, otherwise going back to QB2 will be near impossible and if anyone does come out with a root then it will be for the QB2, not EF3 bootloader. But, if u already did update and need the EF3 firmware for restore purposes I have that as well, except it is in a ENC4 format, which is a RAW format for firmware. U will need to decrypt it with 7Zip to Tar or Md5 in order to be able to flash it. Like i said email me - [email protected] and I'll provide u with whatever files u need.

Oem unlock
Hello all.
Is there a way to unlock the bootloader for VZW sm-j727v yet?

Is it same for both phones?
Is the root you guys worked on and completed is it what works for this phone versions too?:
samsung
Model: sm-j727vpp
Android Version: 7.0 (nrd90m.j727vppvru1aqk4)
Please let me know. Anyone please email me at blakecollins009 at gmail dot
Thanks!

bilyjck said:
Hello all.
Is there a way to unlock the bootloader for VZW sm-j727v yet?
Click to expand...
Click to collapse
Having the same problem. Can't find anything yet. Any luck for you?

J727VPP
Sara.Gillentine said:
Having the same problem. Can't find anything yet. Any luck for you?
Click to expand...
Click to collapse
Here is a firmware link for you but the problem is it 8.1.0 for your phone !
https://www.androidfilehost.com/?fid=1322778262904007456

Any root yet?
Is there a working root method available for this phone yet? There are a few websites that claim to be able to root it, but I don't want to take a chance and brick my phone. Thanks.