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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.
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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

Samsung Galaxy Sol (Cricket)

Hey everyone I was hoping for a little help on this 1. I just purchased the Samsung Galaxy Sol (SM- J321AZ) AND wanted to make a back up and possibly flash a custom Rom on this device if at all possible. I have the Galaxy Tab E 8.0 (SM- T377P) and third to do the same thing without making a backup and not it's pretty much a paper weight as every time I download a .tar file it won't flash and none of the major websites have a factory or custom Rom so that I can use it again. (If anyone can help on that as well that would be SUPER AWESOM). Anyways, I don't wanna make the same mistake with this device as the other so I figured I would ask for some help. I need to network I lock the Sol phone as I'm a T- Mobile user but this was the only phone they had at the store that was not a flip phone. Hope someone out there can help.
Thanks in advance.
The Noob
Sent from my Samsung Galaxy Sol

Galaxy Sol? I gotta admit, I had to look that one up; never heard of that one before. It appears to be brand new, having 6.0 and released just last month, but it's not even on Cricket's website. Weird.
As far as custom ROMs or even root goes, you're probably SOL (pun totally intended), at least for right now. However, Cricket does like to rename a lot of their phones that are otherwise identical to others, so it's possible a root method may exist.
When it comes to carrier unlocking, things can get a bit tricky. Cricket sells phones for fairly cheap because they only sell them to their own customers. In other words, they know they'll at least make up the difference with a minimum of a couple months worth of service. I gather you've purchased this phone second-hand. If it's not already unlocked, you might not be able to get it unlocked short of one of those services you see on eBay. Contact Cricket about it. They have rules and limitations about when and if they'll unlock their phones. Root/ROMs typically can't do anything regarding carrier unlocking. Interesting though that so many newer Cricket devices, even the cheapos, happen to have band 12 for T-Mobile.

I just bought this at best buy a few weeks ago. This phone seems to be exactly the same as the Samsung Galaxy Amp Prime SM-J320 with the exception it being 8GB.
BESTBUYDOTCOM/site/cricket-wireless-samsung-galaxy-sol-4g-with-8gb-memory-prepaid-cell-phone/5216601.p?id=bb5216601&skuId=5216601
CRICKETWIRESSDOTCOM/cell-phones/smartphones/samsung-galaxy-amp-prime.html
Either way, I was unable to find a stock fw for either of these phones however the firmware allow for OEM unlock. I was looking to at least root and clear away the garbage because out of 8gb I can only use 3GB (also install apps to SD). I don't want to do this unless I have at least a stock fw backup rom to load.
Is there any back door way of downloading this stock firmware? I've look far and wide. Any assistance would ease the pain. Thanks.

here is a link to the stock firmware
haggelz said:
I just bought this at best buy a few weeks ago. This phone seems to be exactly the same as the Samsung Galaxy Amp Prime SM-J320 with the exception it being 8GB.
BESTBUYDOTCOM/site/cricket-wireless-samsung-galaxy-sol-4g-with-8gb-memory-prepaid-cell-phone/5216601.p?id=bb5216601&skuId=5216601
CRICKETWIRESSDOTCOM/cell-phones/smartphones/samsung-galaxy-amp-prime.html
Either way, I was unable to find a stock fw for either of these phones however the firmware allow for OEM unlock. I was looking to at least root and clear away the garbage because out of 8gb I can only use 3GB (also install apps to SD). I don't want to do this unless I have at least a stock fw backup rom to load.
Is there any back door way of downloading this stock firmware? I've look far and wide. Any assistance would ease the pain. Thanks.
Click to expand...
Click to collapse
Just head to my new post with links to the firmware. http://forum.xda-developers.com/general/help/samsung-galaxy-sol-sm-j321aza-little-t3420635

This phone is currently $50 at Best Buy. I want to buy it for my mom(she's using my old Nexus 4, which is slowly dying), and this seems like a decent replacement. The thing is, she's on T-Mobile. If this can be unlocked to use on any gsm carrier, that'd be great. I guess I'll have to look around eBay or ask Cricket about unlocking it.
Sent from my SM-G930T using Tapatalk

Has any one heard anything or made any progress...I love this little phone but the lack of space and adaptive storage is killing me ... I would love to remove some bloatware and be able to put more on the sd card...PLEASE HELP

Root found, finally.
http://forum.xda-developers.com/android/general/release-root-samsung-galaxy-prime-j320az-t3493077

Help
I recently purchased a sol used and the person I bought it from forgot that it had a screen lock on it. can I bypass it or will it be easier to just reset it an bypass the frp lock. Please help?!

comer320 said:
i recently purchased a sol used and the person i bought it from forgot that it had a screen lock on it. Can i bypass it or will it be easier to just reset it an bypass the frp lock. Please help?!
Click to expand...
Click to collapse
factory reset youtube

And then I get to deal with the frp lock. I don't have the info for that either, But would it be easier to bypass the frp instead?

I'm not entirely sure but aren't the spec for this the same or almost the same as the Galaxy J3 or the Galaxy amp prime? Would anything from those devices work on this. Like a rom port or root method

Ions87l said:
I'm not entirely sure but aren't the spec for this the same or almost the same as the Galaxy J3 or the Galaxy amp prime? Would anything from those devices work on this. Like a rom port or root method
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Click to collapse
that selinux root method earlier in the thread does work for root, and after root just adb shell pull all partitions to port twrp or brew a rom. the specs for the j3 and prime are nearly identical so porting from those two should not be to hard. i went to a new phone so i wont be doing anything further with it. unless i get bored and decide to fish it out the junk drawer for something to do. https://drive.google.com/open?id=0B1rwlbcYZ8i6NldnV0ppVHJ3Z1U thats the link to the adb file for root and the instructions are here https://forum.xda-developers.com/android/general/release-root-samsung-galaxy-prime-j320az-t3493077 . Sorry thats an Odin flashable boot img with selinux tweeked. sorry havent paid much attention to this phone lately

Ok thanks I'm going to see what I can do. At least TWRP and from there compile a rom. I have nothing but time and patience so I'm gonna build cm13 and see what happens.

Ions87l said:
Ok thanks I'm going to see what I can do. At least TWRP and from there compile a rom. I have nothing but time and patience so I'm gonna build cm13 and see what happens.
Click to expand...
Click to collapse
Here is a link to the stock firmware caught from an ota all the partitions are there. https://www.mediafire.com/file/pk25ey721x6i9oj/Sol_Firmware.zip

is this for j321az?
zMILWAUKEE said:
Here is a link to the stock firmware caught from an ota all the partitions are there.
Click to expand...
Click to collapse
this stock firmware you posted is the latest of j321az ? thank you

Aplicación para rootear mi Samsung galaxy sol (cricket) SM- j321AZ

Battery drains extremely rapidly. Recommended firmware to flash?

So my sister gave me her S7 after my Sony Xperia XA2 refused to read my new Verizon service. So I flashed the Verizon firmware since it was on AT&T's firmware (which disables the bands for Verizon) and it's awesome. Super snappy, super quick, good 4K video camera, the works.
The only problem is that the battery is draining faster than my iPhone 6, and this is just with responding to texts while I'm at work. Like today, I worked 5 hours and it went from 100% to 32%.
I read that there is a firmware I can flash with Odin that will greatly help the battery, but I'm not sure what it is. I really dont want to brick this phone.
My S7 is not rooted btw.

SirShemp said:
So my sister gave me her S7 after my Sony Xperia XA2 refused to read my new Verizon service. So I flashed the Verizon firmware since it was on AT&T's firmware (which disables the bands for Verizon) and it's awesome. Super snappy, super quick, good 4K video camera, the works.
The only problem is that the battery is draining faster than my iPhone 6, and this is just with responding to texts while I'm at work. Like today, I worked 5 hours and it went from 100% to 32%.
I read that there is a firmware I can flash with Odin that will greatly help the battery, but I'm not sure what it is. I really dont want to brick this phone.
My S7 is not rooted btw.
Click to expand...
Click to collapse
First off you it's a US S7 which means the bootloader is locked which means you can't flash Twrp (Custom Recovery) which means you can't flash a custom rom or obtain root threw recovery what you could do is see about rooting it first i believe the root for the US S7 is threw a modified boot image that is patched threw Odin you would have to researcher that first after you obtained root then you have 2 options debloat the phone yourself which I wouldn't suggest cause if you remove something vital to the phone it will soft brick and you have no custom recovery to revert to a working image of your phone and you going to have to flash a stock firmware in Odin to fix it second whkch I do recommend is see if there are any roms for your model of phone that are flash fire flashable that you can flash again the process with this is one error and you will have to start the process all over again.... If you going to debloat after you obtain root just remove Samsung apps and Verizon bloatware and you should see a speed and battery increase just off of that alone... If your bold you flash xposed threw flashfire and open up your options even more.... Flash the wrong xposed and you Wil soft brick and have to start over again.... Some Samsung phones can take the official xposed for your sdk or need the alternative xposed for Samsung to work properly don't know which one yours fall under.... Good luck [emoji1696]
[emoji3436]I Willl Scarfice For Those That I Love [emoji3434]

Samsung Galaxy J3 Orbit (SM-S367VL) Looking for advice on how to root.

I've looked for quite a while on anything that could help me root the phone, and have had no success with anything. I'm worrying at this point that the bootloader is just locked and have to ask, is there anything else I can do to root this phone? Willing to try pretty much anything, even at risk of bricking it.

Lavitz324 said:
I've looked for quite a while on anything that could help me root the phone, and have had no success with anything. I'm worrying at this point that the bootloader is just locked and have to ask, is there anything else I can do to root this phone? Willing to try pretty much anything, even at risk of bricking it.
Click to expand...
Click to collapse
I'm interested in this too but in all likelihood nobody with the knowledge is even working on it because this is a niche phone.

Locked bootloader..
Well i have this fone now...i bought it because it was a good deal so it seemed..Less than 100$ for fone and service activation plan...I have rooted just about every Samsung i have ever owned...So heres what i have come up with..There is no OEM option in Developer options...On any other samsung fone i always go right into developer options and disable OEM by turning it off...Then i either have used Kingroot apk or Kingoroot apk in the past and they have worked...sometimes u have to find the perfect version to match your android software specifically...Now i have always had huge success with Odin and flashing TWRP via Laptop or Computer via USB connection, but thats something each individual should personally take the time and educate theirselves on just in case... Sorry to say that the Samsung J3 Orbit with Total Wireless and Oreo 8.0 needs a serious look at...

Lavitz324 said:
I've looked for quite a while on anything that could help me root the phone, and have had no success with anything. I'm worrying at this point that the bootloader is just locked and have to ask, is there anything else I can do to root this phone? Willing to try pretty much anything, even at risk of bricking it.
Click to expand...
Click to collapse
Your phone is a 2018 model of the j3. When xda finally makes a J3 (2018) thread i will request for this thread to be moved. Any root methods shown in J3 (2017) are likely not to work anymore since samsung patched the methods used. The only way to root phones now is by buying the U variants of samsung's phones which are only available from samsung's website under unlocked phones. Unlocked phones from samsung have an unlocked bootloader by default.

thepcwiz101 said:
Your phone is a 2018 model of the j3. When xda finally makes a J3 (2018) thread i will request for this thread to be moved. Any root methods shown in J3 (2017) are likely not to work anymore since samsung patched the methods used. The only way to root phones now is by buying the U variants of samsung's phones which are only available from samsung's website under unlocked phones. Unlocked phones from samsung have an unlocked bootloader by default.
Click to expand...
Click to collapse
incorrect statement.
My s9+ is a U varient with no OEM unlock option and did not come from samsung. And my s9+ is still not rootable.

OuijaElite said:
incorrect statement.
My s9+ is a U varient with no OEM unlock option and did not come from samsung. And my s9+ is still not rootable.
Click to expand...
Click to collapse
strange. what is the model number.

thepcwiz101 said:
Your phone is a 2018 model of the j3. When xda finally makes a J3 (2018) thread i will request for this thread to be moved. Any root methods shown in J3 (2017) are likely not to work anymore since samsung patched the methods used. The only way to root phones now is by buying the U variants of samsung's phones which are only available from samsung's website under unlocked phones. Unlocked phones from samsung have an unlocked bootloader by default.
Click to expand...
Click to collapse
U models are normally U.S. models which are locked tight. I run a s8 as my everyday driver which is rooted. The s9 s10 and most other us snapdragon and in this case exynos all are locked tight. And they cannot be rooted as of right now. The sampwn and other samfail do not work anymore. The U model you are referring to is the U.S. sim unlocked model not bootloader. With the S series F is the European bootloader unlocked model I don't know the European letter for J series.
Until some one finds a way to push a rooted system img on stock permissive combination kernel root will not come just like s9 and s10 us models
If these where us snapdragon we could push a rooted system combination file with safestrap just like we do on the newer bootloader on s8 using EDL and Qualcomm 9008

Just had an idea, another thread on this forum a guy says he made a modified version of Odin that can flash mix matched models. So just flash a model version of the j3 orbit that can be rooted or at least oem unlock capable to be able to flash twrp and then be able to root through twrp.
If flashing a j3 with a model number different than sm-367vl would brick it, just extract the .img partitions like boot.img or whatever the partition may be with ubuntu to restore one by one until you find which one makes the phone boot.
I don't know much about phones when it comes to this depth of modification. But I had a lg zone 3 that used this method to turn an unrootable model number version into a different model number that was rootable. Before I flashed the .img partitions of the stock software the screen had lines all over it, so using screen mirroring I was able to root the different model number software then download partition backup and restore app them restore the partitions that were for the original model number.
So basically it took both model numbers and combined some partitions of each to make it work properly.
In my head I can totally see this working. Just depends on how close to the same hardware each model number of the galaxy j3 has i guess.

I wish I would have noticed/seen this a bit sooner.. any progress or luck? I have the j337u ...
I know chimera tool is able to remove Knox kglock oemlock rmm mdm , of which mine shows kglock on, oemlock: on, frplock off. Trying to flash anything gives the error insufficient payment somethin. So there's got to be a way around it. ALSO I found interesting, the FCC id has J337t instead of U ...wonder why that is ...
(Anyone know where I can get stock j260AZ/AIO -notpaid- (cricket) firmware,I've literally checked every where )
We need someone to take that new 0day exploit rootPoC mod it however and release it

Found this [Have not tried it yet]
Came across an article on androidbiits. Not sure it's actually viable. Unfortunately I cant post the direct link until I have enough posts under my belt.

I'm willing to pitch in if someone can point me in the right direction.

Yhuda
How now????You are find How to root this phone????Please add Develop for find How to root Samsung J3 Orbit?!??

For my kglock on, oem lock on j337u, which also has some new mdm / rmm on it from consumer , I used chimera tool to set KGLock to Complete.
This also switched the oem lock to off and show the toggle in Dev ops....
1st flash of magical patched img worked. But after.connectinf.the Wi-Fi , knox enrollment and instantly a sec. Msg popped up and locked up the entire device. No usb connection or.anything.
factory reset
Same Issue,.then locks up
So for try 3, flash the patched boot, let boot.
AS SOON AS ITboots to android, hit the Airplane Mode toggle to activate it to stop Knox Enrollmnt
So er.gont get

was able to unlock the boatloader with comb file that was compatible, flashed stock track phone, updated to 9 pie...
used a gig pressed power button ???

9 pie trac phone j3 orbit
patched AP file with majisk, ran with Odin : says noway fail, I was able to reflash with stock firmware, so it doesn't work on mine...
any other luck
thanks

I would really like to know if anyone has succeeded either rooting or SIM unlocking or flashing with a different firmware on this model.

I was able to access the OEM unlock in my J3 Orbit (SM-S367VL) via factory binary after flashing combination firmware.
That is as far as Ive gotten. I am assuming you would want to run ADB download mode to flash anything as factory binary seems to have some security measures against full bootloader unlock built in

SM-G930V

Greetings My Brothers. I have a huge Problem. Sometimes ago I got a Samsung Galaxy S7 Verizon Model, thought it will be cool to have such a model, just come to think of it; Snapdragon 820 what else did I wanted again. And the phone started running Berserk. apps downloaded and installed from PlayStore don't work at all even WhatsApp does work properly. The phones freezes all the Time, it overheats all the time. So I made a decision. root, install custom recovery and install Custom Rom like lineage OS. I'm accustom to those stuffs like Odin, download mode, etc. I don't have any problem with a phone stock on boot loop, it's something I have been fixing, so I'm Used to It. My SM-G930V security level is High with its latest android version Oreo, the bootloader is locked. tried to unlock it with ADB and Command Prompt. It was a failure. tried to get some help On YouTube. Failed, all the videos I watched was about SM-G930F none of them talked about SM-G930V, I came across SM-G930V bootloader Unlocking, rooting and custom Rom but, it wasn't compatible with my SM-G930V. So let Me ask You Guys this question. Can I really unlock the bootloader, root the phone and Install a custom recovery, and A custom Rom??? If there is a slight chance or possibility of doing so, please Brothers help me out, because I am unable to use the phone to its full potential. Thanks. Michael.