Possible Bootloader Unlock? - Verizon Samsung Galaxy S6

I found a post on "lssrpawn" about a possible unlock of the Galaxy S6 bootloader. I wanted to run it by you guys before I tried anything, not to mention the post itself is rather vague. I can't post outside links yet , so I'll just say how I got to it. I googled "Galaxy S6 Bootloader Unlock", and clicked the second link which is "lessrpwn.com › Tutorials". In the post it mentions 'superboot', and then it mentions using command prompt commands such as 'superboot device', which does not make sense as the superboot files that I found only come with adb-windows, fastboot-windows, etc. There is no superboot file except superboot-windows.bat and the .iso file, so how did the OP get that command at all?

Though very doubtful there will be a method to unlock the bootloader.. I am still hoping.. Please keep up posted~~
Sent from my SM-G920V using Tapatalk

Sadly this method isn't for us. If you go to the youtube video linked in the tutorial it shows the fact that he has the Chinese SM-9250 version of the s6, and that the bootloader unlock only works for that Chinese version and a similar taiwanese version.

I don't have any idea why that video is even there, as it does not seem to have any connection to the guide. The guide never mentions CROM service at all, and shows a method that doesn't seem to matter what the phone's country of origin is. Could you further explain why the video is related?

The 'superboot' mentioned in the thread is actually fastboot
They're using the oem unlock command in fastboot to unlock their phone
This method will not work on the Verizon Galaxy S6
There are no current methods to unlock the Verizon Galaxy S6 bootloader and no root methods exist for the Verizon Galaxy S6 after 5.0.2(5.0.1?)
This isn't going to happen in the near future

thewhitewox said:
The 'superboot' mentioned in the thread is actually fastboot
They're using the oem unlock command in fastboot to unlock their phone
This method will not work on the Verizon Galaxy S6
There are no current methods to unlock the Verizon Galaxy S6 bootloader and no root methods exist for the Verizon Galaxy S6 after 5.0.2(5.0.1?)
This isn't going to happen in the near future
Click to expand...
Click to collapse
The thing is, this method doesn't just use straight up fastboot. It first starts the phone up with the superboot.iso, and then uses fastboot oem unlock. I have no idea what the superboot.iso boots the phone into, but maybe there is a possibility that
Superboot launches the phone into a state where the fastboot command works. I would try this method myself if I could get fastboot to recognize my device, but it never will.

8nothing said:
The thing is, this method doesn't just use straight up fastboot. It first starts the phone up with the superboot.iso, and then uses fastboot oem unlock. I have no idea what the superboot.iso boots the phone into, but maybe there is a possibility that
Superboot launches the phone into a state where the fastboot command works. I would try this method myself if I could get fastboot to recognize my device, but it never will.
Click to expand...
Click to collapse
Any luck with that?

Related

[Q] Cannot unlock bootloader.

Hello,
Before posting here I tried to find the solution to my problem by searching on this site and also google but couldn't find the answer so finally decided to post it here.
I have Motorola Xoom MZ600...
So when I type in the command "fastboot oem unlock" nothing happens on the tablet and it shows on the command prompt that
"<bootloader> oem unlock is currently under construction"
What does that mean and what should I do to unlock the bootloader?
Thanks.
wimobile246 said:
Hello,
Before posting here I tried to find the solution to my problem by searching on this site and also google but couldn't find the answer so finally decided to post it here.
I have Motorola Xoom MZ600...
So when I type in the command "fastboot oem unlock" nothing happens on the tablet and it shows on the command prompt that
"<bootloader> oem unlock is currently under construction"
What does that mean and what should I do to unlock the bootloader?
Thanks.
Click to expand...
Click to collapse
Not really sure what it is, but have you tried to launch SDK Manager and update platform-tools and google driver?
wimobile246 said:
Hello,
Before posting here I tried to find the solution to my problem by searching on this site and also google but couldn't find the answer so finally decided to post it here.
I have Motorola Xoom MZ600...
So when I type in the command "fastboot oem unlock" nothing happens on the tablet and it shows on the command prompt that
"<bootloader> oem unlock is currently under construction"
What does that mean and what should I do to unlock the bootloader?
Thanks.
Click to expand...
Click to collapse
Its likely cause your tablet is booting into the OS and not fastboot...
Use this AIO_scripts_R.A.H._TWRPv2.6.3.zip - 12.00 MB
Ive created that for installing twrp recovery but also included tools to unlock your boot loader.
under the windows folder and click the runme.bat and simply folliw the prompts for what you want to do...cant get any easier.
Sent from my SCH-I605 using Tapatalk 2
Thanks guys for the reply.
@mikecore - SDK manager, platform-tools and drivers were up to date. @runandhide05 - I made sure I was in the fastboot mode. And thank you so much for the link but it wasn't that I was doing wrong, the problem was the bootloaders were very old from the very first built or probably even before the xoom was released to public (when it was in manufacture trial or something). So whenever I tried to check the software update it said it was uptodate but it was running froyo (2.5 or something). What I did was I got the imgs of the latest built available from motorola and pushed that in fastboot mode. After that I got like 5 software updates OTA and it updated the bootloader to the latest version and now I am running android 4.1. Also I was able to unlock the bootloader now.

[Completed] Htc one mini m4 go back to stock rom

Hello everyone!
I've had my m4 for about 5/4 years now and my battery has been getting worse more and more slowly for about 2 months now. Because I want to invoke my guarantee I tried to return the phone to stock rom from Insertcoin, unroot it and lock the bootloader. I flashed the stock rom from this(http://forum.xda-developers.com/showthread.php?t=2791725) thread and everthing was working fine. After that I went into fastboot and typed the command "fastboot oem lock", because I read so on the internet. Now there seems to be no rom or recovery on my phone anymore and everytime i reboot it just straigth goes into the bootloader. None of the tools I found on google worked so I thought somebody here could help me because I'm almost getting desperate.
I will also include a link to a photo of the bootloader, maybe it's helpful (https://www.dropbox.com/s/0j7830bw6mxjjrv/IMG_20150511_190346.jpg?dl=0).
Also notice that this is one of my first posts in this forum and english isn't my mother tongue.
I would really appreciate a fast but especially useful and relative easily written response.
Thanks!
Hi, thank you for using XDA Assist. I would unlock the bootloader, fasboot oem unlock, and flash the stock firmware from the link you provided.
fastboot oem unlock error
I tried fastboot oem unlock but it just wrote "[ERR] Command error!!!". I also tried to unlock it via HTCdev again but the sites seems to be down, everytime i select my device and click on Begin Unlock Bootloader it opens this small window and says that the site is unavailable, I also tried it a few different times. Is there no other tool to unlock the bootloader or somehow get my rom started again, because I'm wondering why it's erasing or at least not giving me access to the rom that was perfectly working before anymore after locking the bootloader.
-Edit:
OK so i found out how to do it with HTCdev. I just had to create an account, log in and do exactly the same as before. I had to give it a few tries, but in the end it worked. Now my question is how I can relock my bootloader without causing the same again? I didn't find anything other than the cmd prompt fastboot oem lock so if maybe somebody could help me.
Thread closed.

Can't install TWRP on SM-J700T1

Hey guys!
I am a little new to xda, but I've been trying to customize my Samsung Galaxy J7 (2016, metropcs) for a long time. I've looked through the forums to try to find out how to unlock my bootloader. I've tried the unlock bootloader guide but it's no use. Apparently, one user said samsung doesn't support fastboot anymore, only odin .
So instead, I've enabled oem unlock to unlock my bootloader. When I tried to flash TWRP onto my phone via. Odin, TWRP doesn't get installed. I've also used their app, no budge either.
I strongly suspect that my bootloader is locked. Can anyone help me?
Thank You in Advance.
iiPandaii said:
Hey guys!
I am a little new to xda, but I've been trying to customize my Samsung Galaxy J7 (2016, metropcs) for a long time. I've looked through the forums to try to find out how to unlock my bootloader. I've tried the unlock bootloader guide but it's no use. Apparently, one user said samsung doesn't support fastboot anymore, only odin .
So instead, I've enabled oem unlock to unlock my bootloader. When I tried to flash TWRP onto my phone via. Odin, TWRP doesn't get installed. I've also used their app, no budge either.
I strongly suspect that my bootloader is locked. Can anyone help me?
Thank You in Advance.
Click to expand...
Click to collapse
https://forum.xda-developers.com/galaxy-j7/j700t-development/recovery-galaxy-j7-sm-j700t-t1-t3560342
I was going thru same turmoil when I watched a YouTube demo in desperation of a fix. Guess what My error was, I was pushing volume down button for twrp not up button. Use up home off to boot to twrp recovery.
Sent from my SM-J700P using Tapatalk

Anyone managed to root lg k51?

I can't find anything definitive about whether it's rootable or not
Same here i tried every root app possible and failed.
just unlock bootloader and flash twrp
after that flash latest magisk zip hope it will work
Bhanu8082 said:
just unlock bootloader and flash twrp
after that flash latest magisk zip hope it will work
Click to expand...
Click to collapse
No need to flash TWRP: Booting into it is sufficient.
Bhanu8082 said:
just unlock bootloader and flash twrp
after that flash latest magisk zip hope it will work
Click to expand...
Click to collapse
How did you unlock the bootloader?
sCriptKittY1987 said:
How did you unlock the bootloader?
Click to expand...
Click to collapse
simple , go to about phone and try to find build number,
after you find build number tap on it until it says you are in developer mode
after that head on to developer option (it may be inside about phone section or above about phone section) turn on the option which says allow oem unlock. then,
just reboot to recovery mode either by pressing volume up or volume down key with power button.
after you enter recovery connect usb cable and open command prompt in pc and make sure that lg device drivers are installed on your pc also make sure you have adb and fastboot installed.
ok, after all this type command
adb devices
if any thing shows us then you have successfully connected your device.
after it type
adb reboot bootloader
then your mobile should restart and show fastboot mode in screen
type command
fastboot oem unlock
and done your bootloader is unlocked.
Bhanu8082 said:
just unlock bootloader and flash twrp
after that flash latest magisk zip hope it will work
Click to expand...
Click to collapse
Where did you find a tarp img for the LG k51?
sCriptKittY1987 said:
Where did you find a tarp img for the LG k51?
Click to expand...
Click to collapse
tarp image????? just follow the tutorial.
I meant TWRP recovery . After you've unlocked the bootloader where did you get a custom recovery to flash for the LG k51. From what I saw on Team Wins website, there isn't one.
Bhanu8082 said:
simple , go to about phone and try to find build number,
after you find build number tap on it until it says you are in developer mode
after that head on to developer option (it may be inside about phone section or above about phone section) turn on the option which says allow oem unlock. then,
just reboot to recovery mode either by pressing volume up or volume down key with power button.
after you enter recovery connect usb cable and open command prompt in pc and make sure that lg device drivers are installed on your pc also make sure you have adb and fastboot installed.
ok, after all this type command
adb devices
if any thing shows us then you have successfully connected your device.
after it type
adb reboot bootloader
then your mobile should restart and show fastboot mode in screen
type command
fastboot oem unlock
and done your bootloader is unlocked.
Click to expand...
Click to collapse
When I typed fastboot oem unlock I get a reply saying <waiting for any device>
sCriptKittY1987 said:
When I typed fastboot oem unlock I get a reply saying <waiting for any device>
Click to expand...
Click to collapse
I doubt that's going to work, but let me know if it does. Carriers and manufacturers use a variety of sophisticated security schemes like requiring lengthy codes that only they can provide, etc to purposely make it very difficult to unlock bootloaders. Tmobile gave me a K51 for free. They apparently feel the have to pay for it by spying on me. I bought a moto g7 plus unlocked for $117 directly from Moto and put Lineage on it, no gapps Would love to use thie k51 though if anyone figures it out because it's more waterproof and bigger battery.
mgsgta3 said:
I can't find anything definitive about whether it's rootable or not
Click to expand...
Click to collapse
Whether device's bootloader is unlockable / device's Android is root-able or not you easily can find out by means of ABB:
Code:
adb shell "getprop ro.oem_unlock_supported"
If returned value is 1, then it's supported otherwise it's not.
sCriptKittY1987 said:
Where did you find a tarp img for the LG k51?
Click to expand...
Click to collapse
and let me guess my doofus luck im guessing no way to unlock it with out a P.C. like nuttin at all?
Absolutely no of the crap above works at all in any capacity especially sprint. Generic postings like hold volume down and power also doesn't work to go into fastboot so if you guys are following the advice of some of these guys don't because you'll drop more money on a new phone then you will unlocking it some variants verizon is one I think you have to call LG I know I spent 6 hrs on the phone with "tech support" aka "jokes with a screen to read from" to FINALLY get into touch with an engineer who told me the only way "NOW" to unlocked the bootloader is in his office which means it has to be depot to be unlocked which as of this moment lg is not doing that WILL change in the future that was 12/03/2020. Even running external adb with kali linux to hack it broke the bootloader and sends you into an infinite reboot loop
jwoegerbauer said:
Whether device's bootloader is unlockable / device's Android is root-able or not you easily can find out by means of ABB:
Code:
adb shell "getprop ro.oem_unlock_supported"
If returned value is 1, then it's supported otherwise it's not.
Click to expand...
Click to collapse
This returns no value on a locked bootloader because even with Dev. Opt. Enables its still read only until bootloader is unlocked this is verified on two carriers k51's sprint and att. However it is unlockable we haven't found it and/or LG has not added this service to their site which is where you will get the info needed for the unlocked.
Oh my. You know you need to do all this from a computer, right? Can't do it in an Android terminal because fastboot commands are only valid in a phone's bootloader environment. And if you didnt know that then rooting and all of the dangers that come with it just isnt for you. But yes, it's rootable. So here you go anyway.
Reboot the phone to download mode.
Install LG's K51 usb drivers, and install adb and fastboot, on your computer.
Open a command prompt and type: fastboot oem unlock
If it does anything other than pat you on the back and tell you it's proud of you and how well you follow instructions, then go back and follow the effing instructions.
Otherwise, type: fastboot reboot.
Download magisk manager.
Do the magisk manager.
Use the LG flash tool on your computer to flash what you just did when you did the magisk manager.
And presto, you're rooted. Or I successfully left out enough info and you dont know how to use Google, leaving your device still not rooted. And thank god for that.
Ive been learning from xda for some time now. Bricked a few phones in my learning curve and tonight i had my first success with my g7, and wrighting this on my new k51. This is my first post and I think that was pretty rude of you to say. This is supposed to be a place to learn, share knowledge, and help those who are less educated. Not look down on people and say crap like that. If he wants to learn even if it takes a couple bricked phones to do it, let him. Either give him the proper procedures or dont say nothing at all. How long did it take you? How many phones? Its taking me quit a while but i am finaly getting somewhere. Keep with it guy. Dont let this dude, or any one else for that matter, bring you down.
Kenwoodquality69 said:
Ive been learning from xda for some time now. Bricked a few phones in my learning curve and tonight i had my first success with my g7, and wrighting this on my new k51. This is my first post and I think that was pretty rude of you to say. This is supposed to be a place to learn, share knowledge, and help those who are less educated. Not look down on people and say crap like that. If he wants to learn even if it takes a couple bricked phones to do it, let him. Either give him the proper procedures or dont say nothing at all. How long did it take you? How many phones? Its taking me quit a while but i am finaly getting somewhere. Keep with it guy. Dont let this dude, or any one else for that matter, bring you down.
Click to expand...
Click to collapse
Yo Ken,
So your K51 rooted?
If so, maybe you could provide a step by step?
I haven't done this yet but is it verified working? I did a google search came across the method to do the unlocking but it showed it was a failed project?
TexasPride said:
I haven't done this yet but is it verified working? I did a google search came across the method to do the unlocking but it showed it was a failed project?
Click to expand...
Click to collapse
O lord i hope this isnt true

Question I have a samsung galaxy A13 can anyone tell me how to begin rooting after developer mode is unlocked and USB debugging in activated never used debug?

I just wanna learn how to begin the rooting don't know what driver how to get a sdk what app nothing?
I'm looking at the A13 as well since the GS5 is now blocked by AT&T.
I just spoke to Samsung, and they told me the A13 G5 unlocked version purchased directly from them comes with an unlocked bootloader.
I think I just wet myself.
MaddogK said:
I just spoke to Samsung, and they told me the A13 G5 unlocked version purchased directly from them comes with an unlocked bootloader.
I think I just wet myself.
Click to expand...
Click to collapse
What about flashable firmware?
Rularick5 said:
What about flashable firmware?
Click to expand...
Click to collapse
I don't think there's any yet, it's only been on the market for a few months. Aside from it's size it's pretty nice, I've had it 2 weeks and love the battery life.
MaddogK said:
I just spoke to Samsung, and they told me the A13 G5 unlocked version purchased directly from them comes with an unlocked bootloader.
I think I just wet myself.
Click to expand...
Click to collapse
This one dosnt
Samfirm should have the version of android you need for you're phone you need the Samsung flash tool su+twrp+magisk is optional good luck! Ps.always back up everything
I will be working on mine purchased from Metro PCS. Its OEM bootloader is locked at the moment. I will be using Magisk and flashing a TWRP. Utilizing an ADB wireless USB connection from PC. I will keep you posted if someone else doesnt beat me too it. Either way this thread is going so im sure together we can knock this out. Im going to do my LG Stylo 4 firsy. Its OEM came unlocked from Metro PCS...so i scored. Just havent had time. I just did my ZTE ZMax Pro Z981 from Metro PCS...it also was unlocked OEM. They will all need a PC usb connection and Magisck. You can find them in threads here. Good luck. Will post again when i get time. Hope this helps a little. Here you might not get an answer you want...but if you dig youll find what youre looking for...just got learn by doing...like they said...always backup... everything...first...dont forget to remove sd before you factory reset or you will wipe it. And your phone. If youre not sure...dont change things you dont know...you will brick your phone. Follow directions you find in threads...and you will be fine. I learned how to be a great chef from other chefs who told me the ingredients but never amounts of ingredients. Thats how you become a great chef and also become great developer...good luck guys. Im learning too. Share what you learn. FYI...the one click....dont bother...IJS...PC you will need for this....
GeekNout23 said:
I will be working on mine purchased from Metro PCS. Its OEM bootloader is locked at the moment. I will be using Magisk and flashing a TWRP.
Click to expand...
Click to collapse
How do you plan on flashing those if the bootloader is locked.....?
Sorry to break it to you, but it's a Samsung thing. It doesn't matter if it's a device from a carrier or carrier-free directly from Samsung, if you buy a U.S. Samsung phone you will not unlock bootloader freely.
ShaDisNX255 said:
Sorry to break it to you, but it's a Samsung thing. It doesn't matter if it's a device from a carrier or carrier-free directly from Samsung, if you buy a U.S. Samsung phone you will not unlock bootloader freely.
Click to expand...
Click to collapse
Correct
first you need oem unlock on that takes pluging in phone holding volume+/- (both) and power till it shutdown and restarts with the unlock option in recovery
Just bought this but the 5G version
Hi, I just rooted my Samsung Galaxy A13. Here's a quick tutorial of what worked for me:
Prerequisites:
Install Heimdall onto your computer. I used Manjaro Linux as my OS, and haven't tested anything else. Install any drivers if necessary.
Install Magisk onto your phone. I recommend using the F-Droid store/app, or Magisk's GitHub page.
Steps
Install any updates for your phone.
Unlock Bootloader
First of all you need to unlock the bootloader:
Enable Developer Mode by navigating: Settings > About Phone > Software information.
Tap Build number about 7 or 8 times until it says You're now a developer.
Allowing the bootloader to be unlocked:
Settings > Developer Options > Enable OEM unlocking.
Allow it to be enabled if prompted.
Turn off your device.
Turn on Download Mode by holding down Volume Up and Volume Down.
When you see a blue screen, hold Volume Up until it shows Unlock Bootloader screen.
Press Volume Up to confirm.
Flashing firmware
https://samfw.com/ is a good resource for downloading firmware. Be careful that you're downloading the correct firmware though. You can find information by navigating on your phone:
Settings > About Phone, and Settings > About Phone > Software information. If you call *#1234# it will show you the current firmware.
Extract the archive.
Extract the file staring with AP.
Extract the file boot.img.IZ4.
Move boot.img onto your phone.
Open Magisk. Click install. Locate and patch the file. Move the file back onto your computers.
Extract the file starting with CSC. Locate the pit file.
Open Heimdall.
Choose the pit file and the patched boot image.
Put your phone in Download Mode and connect via USB.
Flash your phone.
If it worked successfully, your phone will reboot. It will probably throw an error before starting. Choose to do a factory reset. This will delete all the user data, but the patched boot file will stay in place.
Download Magisk again. Follow the prompts.
To test if you have super user access, install Termux from the F-Droid store. type su into the terminal. You will get a pop up asking if you want to give super user permissions.
Congratulations! You're now the UNIX sysadmin of your own phone!
hello Everyone, a friend of mine from America bought an A13 5G, now we are in Europe and the phone is blocked.
exactly inserting a European sim says:
Phone locked. Please contact our customer service center to unlock your phone.
i tried to unlocked bootloader, but unfortunately i don't have OEM unlock present, no way i get it out!
there is a complicated procedure with Flashing a Combination Firmware, but it looks difficult!!! I haven't done it yet.
but would it be possible to only unlock the phone to use European sims?
many thanks
K
krellz said:
hello Everyone, a friend of mine from America bought an A13 5G, now we are in Europe and the phone is blocked.
exactly inserting a European sim says:
Phone locked. Please contact our customer service center to unlock your phone.
i tried to unlocked bootloader, but unfortunately i don't have OEM unlock present, no way i get it out!
there is a complicated procedure with Flashing a Combination Firmware, but it looks difficult!!! I haven't done it yet.
but would it be possible to only unlock the phone to use European sims?
many thanks
K
Click to expand...
Click to collapse
Unlocking the bootloader would not do anything for you in regards to network unlocking. Those are 2 totally separate and distinct procedures.
What's the Baseband Version on the device? You can find that under Settings-->About-->Software Information (and don't do any software updates to the device if it prompts you to)
Hello, the first thing would be to unlock the bootloader which is very easy in Samsung terminals, In all Samsung is the same, you can see the following video that I recommend. No PC needed, The video is in Spanish but it is only to follow the same steps:
The second thing would be to get root, the easiest would be with Magisk, I recommend you watch this video since it is not necessary to format the cell phone, the video is also in Spanish, but you still follow the same steps. In this case, a PC is necessary:
Soon I will make a post myself, teaching you how to root without losing data, the same way as in the video, in case you didn't understand the video.
There is no boot.img.IZ4 im my ap file
ok i found the boot.img I extracted the ap file with winrar before. some how it does not see the .img files but untarring on linux worked. i managed to re flash the ap fille with odin and i saw lot of .img files being flashed and the extracted foldersize by winrar was way smaler than the archive. so that made me look at the ap file and i got the boot.img patched by magisk and made an lz4 file out of it how do i get that boot.img.lz4 back in the archive?
also whats wrong with fast boot?
"fastboot devices" lists my device when its connected but like many here post it does not work with other commands it failes like thIs :
fastboot flash bootloader b.img
Sending 'bootloader' (32768 KB) FAILED (remote: 'unknown command')
fastboot: error: Command failed
Tried other examples too but nothing works tried the fastboot included in android studio and one of the minimal adb/fastboot. the boot loader is unlocked (Not using fastboot) and odin works fine. my phone is in the "entertering fastboor mode" state .its a samsung galaxy a13 g5 and i flashed this firmware using odin
AP_A136BXXS2BWA1_A136BXXS2BWA1_MQB61124574_REV00_user_low_ship_MULTI_CERT_meta_OS13 now its stock again with no accounts.
fastboot reboot does work so some is right.
fastboot reboot
Rebooting OKAY [ 0.001s]
Finished. Total time: 0.005s
i hope some one can point me in the right direction.
thx
Hans de Groot said:
i hope some one can point me in the right direction.
thx
Click to expand...
Click to collapse
Fastboot isn't functional on Samsung devices. Samsung replaces it with Download mode. Therefore, all flashing is done via Download mode using Odin, not via fastboot mode using command terminal

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