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Does anybody know what Samsung is doing about hardbrick issue ?
Latest news from Daniel Hillenbrand was on Jun 8 (He contacted Samsung and:
Patches will be out in form of new official ROMs and also sourcecode releases after testing, which might take some time
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source: Daniel Hillenbrand Google +
Yesterday, Entropy512 said:
Even secure erase is not 100% guaranteed to cause damage. It turns out it will only cause damage when the eMMC is in a certain specific state. (I unfortunately can't elaborate on the specifics as that is proprietary information) - However it explains why some people manage to wipe even in CWM without damage.
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I don’t want any details, but after reading all the threads, information from Ken Sumrall and posts on Samsung official support forums, I think that they don’t want to admit, that there’s a problem with their eMMC chips. I know that it is almost impossible to recreate brickbug situation on stock devices - so there is no problem for Samsung at all (custom rom - not their problem) .
I just don’t know what to think – Samsung is currently Rolling-out the Official ICS 4.0.4 Update for Galaxy S2 and we all know, that each of them contains unsecure kernel (all they need to do is disable emmc_cap_erase, right? )
I may be wrong, maybe fix is a lot more complex than just disabling emmc_cap_erase in kernel, but this is the difference between secure and unsecure kernel…so why they didn’t ? Everyone knows about eMMC bug, but Samsung is rolling out new updates and don’t care…
Its Simple They moved on .......
They dont want to spend their time and energy on this phone instead they are thinking about s4 or galaxy note 2
No, they are not. It's so simple to fix hardbrick bug... But Samsung is not interested at all, and seems that it's a computer working on the builds, not real people, since they still releasing this crap. Samsung super fail.
They just don't care and why should they?
The stock Firmwares are noobproof, but if some geeks from XDA D) flash custom Roms its already not their business because a usual customer never even get accidentally into a recovery where he could wipe the phone.
So, they say users fault. Why invest $$$ for a few people who already figured out themselves how to avoid that bug on an "old" device.
Business.Simple as that.
Testraindrop said:
They just don't care and why should they?
The stock Firmwares are noobproof, but if some geeks from XDA D) flash custom Roms its already not their business because a usual customer never even get accidentally into a recovery where he could wipe the phone.
So, they say users fault. Why invest $$$ for a few people who already figured out themselves how to avoid that bug on an "old" device.
Business.Simple as that.
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Actually its also their loss as they fix the bricked devices under warranty
No one will tell "I flash a ROM from xda and bricked my phone" to the service center guys
Sent from the beast using CMX
I think there is a fix - I heard a couple XDA members saying that they've got a PIT file to fix the problem. Though all it does is make a new /data partition, and you lose a bit of your space (8GB instead of 11GB)
epic118 said:
I think there is a fix - I heard a couple XDA members saying that they've got a PIT file to fix the problem. Though all it does is make a new /data partition, and you lose a bit of your space (8GB instead of 11GB)
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That's not a fix. Just a workaround to get the device up and running
Sent from my GT-I9100 using xda app-developers app
I made excite? jajajja .... no, I have no way to unlock just open this topic to see if anyone knows how to unlock the devices that do not have developers edition
From what I understand you have an XT926 which can't be unlocked. Only the XT925 & XT926 dev edition can be unlocked through Motorola
Sent from my XT925 using xda app-developers app
saloums7 said:
From what I understand you have an XT926 which can't be unlocked. Only the XT925 & XT926 dev edition can be unlocked through Motorola
Sent from my XT925 using xda app-developers app
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I have xt925 but i think is not the dev edition
juan272 said:
I have xt925 but i think is not the dev edition
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There is only 1 version of the XT925 and it can be unlocked through Moto the steps are detailed on the moto page
Sent from my XT925 using xda app-developers app
saloums7 said:
There is only 1 version of the XT925 and it can be unlocked through Moto the steps are detailed on the moto page
Sent from my XT925 using xda app-developers app
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I put the fastboot code into moto page but they say that my device not support bootloader unlock
Is that the only restriction? If a code is it, you could just use a fake code, or hex exit in a new code to the unlocking program.
Sent from my DROID RAZR HD using Tapatalk 2
juan272 said:
I put the fastboot code into moto page but they say that my device not support bootloader unlock
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Double check to make sure you entered the correct code its pretty big might be a typo in there
Sent from my XT925 using xda app-developers app
saloums7 said:
Double check to make sure you entered the correct code its pretty big might be a typo in there
Sent from my XT925 using xda app-developers app
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I try about 20 times!!!!!!
If you have any apps frozen, unfreeze them and reboot and maybe that will work. If you've removed anything from withing /system, put it back and put the correct permissions and if you don't have those files (if there was anything deleted) then perhaps someone can provide them for upload, then give that a try.
Lastly, if you flashed a ROM that isn't from you carrier or your country, then perhaps using the appropriate tools (I haven't used them so can't point out what they are, other than to say they exist) to put the stock ROM back will allow you to unlock.
Last resort, you can try to get it replaced under warranty stating that you're a developer and need this feature, however if you're rooted I would guess that they'd would be a lot more inclined to check for that replacing a handset as rooting voids the warranty and unrooting, sadly, doesn't remove the info stored on the device that checks to see if the phone had been rooted in the past. You can unroot and if your countries laws are protective enough, though, you might be able to ask them to show how rooting the device caused the failure. In my case, the contract was signed with my carrier who has to be certified as a reseller and they never showed me any warranty documentation, so I was locked into the purchase of the handset over 24 months and am covered by the verbal details of the warranty, which were "everything but physical damage" since they unboxed it and handed it to me activated after I signed. It wouldn't be hard to cancel my contract and hand back the handset if I was refused a warranty repair on these grounds. That they opened the box without me asking is probably enough. That said, consumer protection is top notch in world here.
Short version of the last part though, you can always try a warranty replacement. You'd have to look into if there's a fee in the case that you weren't covered by the warranty. As long as the bootloader is unlocked (and you aren't rooted), you still have you're warranty since the code didn't activate, and I haven't read the page thoroughly enough, but if the page says receiving the code voids the warranty then you can still argue that it was defective prior to receiving it by citing that the code didn't work. If you can unroot, and you live somewhere that the issue of the evidence of your root, or whatever, can be easily turned over to a consumer protection body, then it might be worth the trouble.
Also, you can probably call and ask for a new code. Any way you go about doing any of the above though though, be persistently polite. It goes a long way over trying to be forceful.
I'm likely about to unlike my phone by the way, assuming I can find a ROM that looks appealing enough to try out. I'll try it with the multitude of frozen system apps and the handful of additional ones still in place, first, and see how it goes.
Would it be possible to root the droid razr maxx hd if it is not a the developers edition?? Please help.
brian_199 said:
Would it be possible to root the droid razr maxx hd if it is not a the developers edition?? Please help.
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If you're on JB then you need to downgrade to ICS using the appropriate ROM for your carrier, use a tool to root, download an app that will allow you to bakcup the root and unroot the device, then upgrade to ICS, then reinsert the root. The instructions are scattered because there's 2 differant models of the phone to deal with and there isn't any consolidated thread that involves all those steps. I haven't had to downgrade and have a differant model than what the maxx version is so that's really as much help as I can be, but the answer is supposedly "yes, you can do this" and its the prefered way for a lot of people from what I gather.
Be sure to backup any data on your sdcard before you begin. I didn't lose any since mine was just keeping root on an OTA upgrade from ICS to JB, but I don't know if you lose it or now when you downgrade.
Hopefully someone else can be more helpful that what I was. There are threads where various carrier versions for both ICS and Jellybean are hosted, as well, so you'lle need to find your carrier's ICS. If it isn't available in the thread then search my posts and someone linked me off to a download for a Telstra ROM and further back in the URL revelealed hosting a heap of ROMS though I wouldn't know which one you would need specifically.
The only issue I ran into, though my experience is possibly only covering half of what's involved for you, was that after I reinserted root, only apps that had permission prior to the upgrade had root permission; I couldn't add any. Other people have had a problem with superuser being inserted with wrong file permissions. The thing I did was to update the binary, this didn't work, then installed SuperSu and updated the binary which also didn't work, then I did a cleanup for installing another su app from the market from withing SuperSU... can't remember from this point, either installed another root app or uninstalled and reinstalled SuperSu (which scared the hell out of me I'd lose root at the time so I think this is what I did), then updated the binary and things were fine. Note that I never uninstalled the regular SU app that the injection tool for ICS put on the phone during this process though. At the end of it, I ended up with SuperSU and no normal su, which the injection tool installs. There hasn't been a huge issue with this though it has happened to some others.
Form close!
Ok, first and foremost, don't just post an app telling people to flash it without saying exactly what the app does. What files does it modify/replace?
Sent from my GT-I9300 using Tapatalk 2
First and foremost bro by the way who the **** are u? The people who wanna use it they know what the app does n how it works
Theshawty has done more for this website than nearly every other person who ever ventures on here, I don't know if talking trash to him is the smartest idea.
***NOTE: THIS IS FOR THE INTERNATIONAL VERSION ONLY***
Or we could just rip it apart and see what it does.
Wayne Tech S-III
Emergency Calls only
HI rehmankhan101
First of all i would like to say thankyou , the ariza patch works like a charm .
But off course i had to root the phone to apply the patch, this disabled the auto updates is there a way to overcome this problem without rooting the phone or buying expensive equipment like NsPro box etc.. ?
I was also thinking, i stay to correction don't know if this will work but , now that the patch is applied and phone is working fine is it possible to make a backup of the baseband ( modem ) and
flash it after flashing a stock firmware with Odin , will this work ? or the base band will get over written with the next auto update ?
i am glad that i have helped even a single person.......updating the phone is no problem u can download new updates for ur phone from sam mobile Link http://www.sammobile.com/firmwares/1/?model=GT-I9300&pcode=H3G#firmware but the problem is u have to root ur phone after flashing new farmware to install ariza patch......i dont think backup up modem will work havn't try it
rehmankhan101 said:
i am glad that i have helped even a single person.......updating the phone is no problem u can download new updates for ur phone from sam mobile Link http://www.sammobile.com/firmwares/1/?model=GT-I9300&pcode=H3G#firmware but the problem is u have to root ur phone after flashing new farmware to install ariza patch......i dont think backup up modem will work havn't try it
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Certainly no reason you cannot at least write the original modem and CSC down in case of requiring at a later date .
jje
rehmankhan101 said:
First and foremost bro by the way who the **** are u? The people who wanna use it they know what the app does n how it works
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Don't mind him, he does that with every useful thread, troll as **** !!! Nice thread bro i'm gonna give it a shot since my S3 have this problem of signlal drop .
Ok guys knock it off. Posting a file without telling people what it does not only is not wise but will not do you any good to help people looking for a fix.
So it is always best practice when posting something like this to state what is in the zip file and what files it modifies.
zelendel said:
Ok guys knock it off. Posting a file without telling people what it does not only is not wise but will not do you any good to help people looking for a fix.
So it is always best practice when posting something like this to state what is in the zip file and what files it modifies.
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zlendel with all due respect, @Theshawty is always being a trol and do anything to tarnish every valuable effort from devs especially if the thread was very helpful. i tried to report several times but ....no response . and as the good member that i am REALLY im gonna check the files in the zip package and give feedback on what modification it does to the phone or the radio since it's for signal drops.
nhariamine
lol bro give it a shot works like charm
It's rare that I'll bother to switch from app to web to rate a thread, but I made a special effort for this one.
Sent from my GT-I9300 using xda premium
deleted
Not sure what it does. Installed on stock rooted and no difference after restart.
Sent from my GT-I9300 using xda app-developers app
this application doesnt improve signal strength or somthing this is for people who get wired problem when u install a rom u got no service or emergency calls only then u can install this app if ur phone network is working dont install it
is this http://forum.xda-developers.com/showthread.php?t=1918601 same as yours?
So what exactly is this app up for?
Reported for inappropriate OP + rude answers .
Shawty might sound harsh but in about 90percent he's right
Sent from my GT-N8000 using XDA Premium HD app
Why report it when a mod is watching?
Wayne Tech S-III
Hi to All
This is a solution just for who has a Changed SN and No Network After The Updating the Phone firmware .
I Dont know what this Hassle is all about & why , The ariza Patch is a tool developed by a 25 years old
Ibrahım from gazıantep – Turkey.
He has experınce and knowladge on pc & Smartphone hardware , software ımage & securıty.
This patch patches the Baseband ( Modem ) & disables it from checking the serial Number of the device .
I had this problem after Flashing a Stock firmware using ODIN , after rebooting the phone will not register the sim on the provider network.
The Patch works 100% and will not harm your Phone .
Here are some Q and A .
Q: This patch is gonna clone my phone ?
A: No,it's gonna bring your network back.
Q: My imei number like 0000**** or 0049**** if i flash this patch it will work or it will bring my original imei number back ?
A: This patch is not about your EFS Folder it is just about network so it won't fix your imei number or bring your original imei number back.
Q: I will do these 2 ways step by step ? Do i have to flash offical firmware first and then flash custum rom ?
A: No,you can choose one of them this is your decision.
Q: Can this patch fix my SN ?
A: No it can't but it doesn't matter because you will always be current.
Q: How can i use it on stock rom ?
A: First change your kernel with CF-Root and follow the steps.
Q: After this operation i will update my phone ? Is it a certain solution ?
A: No after the each update you should flash my patch.
Q: I didn't wipe my daha cache etc. do i have to wipe ?
A: Super wipe will clean your system completely so it is doing everything but if you want to ensure you can do them again.
Q: I have a S3 which has a baseband XXALEF-XXLFB can i use your patch ?
A: I have made this patch for just flash my patch after the each installation. It works if your EFS folder is OK.
I just learned through Samsung Chat that if you FLASH your device with anything, you void your warranty. Even their official JB.
rosystreasures said:
I just learned through Samsung Chat that if you FLASH your device with anything, you void your warranty. Even their official JB.
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So by Samsung Chat logic, that includes OTA and their favorite support "suggestion" KIES..... Don't think so. From everything I've read, really depends on region, the support center willingness (some have successfully reported warranty repair on fully rooted and customised devices) and (un)enforced local consumer laws. It's really "hit and miss".
Arobase40 said:
NOPE !!!
Only if you flash a custom non official kernels that trigger the flash counters many times et if you cause damages on your device !!!
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I have been informed (not personally confirmed) that the P6800 JB 4.1.2 MD3 firmware does not have a flash counter.....
In any case, all my ICS & JB kernels are Triangle Away app compatible, and able to reset if need be.
We all know that in almost every case, any "damage" caused by flashing is actually the result of GUI (general user incompetence). Failure to research, read, prepare and follow guides/instructions properly are the main cause. Not the act of flashing.
Sent from my GT-I9500 using XDA Premium 4 mobile app
As I said, can be really "hit & miss".... consumer laws/protection aren't always enforced either, if there are indeed any at all ....
Edit: GUI could also mean Gross User Incompetence too lol.
We've all done silly things, misread and GUI, just hope the results aren't too bad and recoverable...
Sent from my GT-I9500 using XDA Premium 4 mobile app
With the initial root thread being shut down, could someone with specific news or ideas start up a new thread?
There are lot of frustrated people with the locked bootloader like me that would really welcome some news or progress on this, and it is difficult to imagine this happening without a specific thread on the subject.
PM the forum moderator and request the original thread be cleaned and reopened. Duplicate threads are not permitted.
Get over it.. locked bootloader means no root, nobody has found a way around this on any of the recent locked loaders
Sent from my SM-G935T using Tapatalk
jgodfrey82 said:
Get over it.. locked bootloader means no root, nobody has found a way around this on any of the recent locked loaders
Sent from my SM-G935T using Tapatalk
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I could tell you are talking without no knowledge no wonder you have no thanks for helping out this community at all, ROOT COULD STILL BE ACHIEVED with a locked bootloader
Let's be careful with the comments - that is one reason the other thread got closed - especially after it gets reopened.
My bad with the get over it post. I struggled through never having root on N4 on att and just have accepted no root on s7e.. I know I'm an xda noob so no offense meant, I do actually have 8 thanks tho! ?
Sent from my SM-G935T using Tapatalk
This thread is going to get locked just like the last two.
v8dreaming said:
This thread is going to get locked just like the last two.
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While nothing happening here - did some searches and if you want to be even more frustrated about the bootloader and root, look at the below from an Asian forum (translated by Google - not perfectly lol):
RECOMMENDATION
- SAMSUNGVN liability risks unlucky to
- Only applies to version Snapdragon Galaxy S7 Edge SM-G9350 code
- Loss of warranty when Unlock Bootloader to Root.
- No guarantee of confidentiality issues, personal information
- Knox will jump into 0x1
Files needed
- Odin 3.10.7: Fshare - Odin3_v3.10.7.zip
- Driver Samsung: Technical Documentation | SAMSUNG Developers
Download and install.
- CF-Root: Fshare - cf-root-g9350.zip
Proceed:
- In the Galaxy Apps -> Search software "CROM Service" -> Settings and proceed to unlock the bootloader.
- Shutdown. Boot into Download Mode by pressing hard (Vol Down + Home + Power)
- Check CROM Service line. If it can gauge lock, press Down + Home + Power Vol until the machine off completely and then unlock the normal boot as the first step. If it continues to unlock offline.
- Launch Odin 3.10.7, cable plug, extract the zip file is the file cf-root cf-root-g9350.zip-g9350.tar. Under PDA cf-root-file select g9350.tar
- Click Start -> PC reboot when done.
- Congratulations on your machine successfully root.
That is also a snapdragon model, Hope somehow we can get there with out 975T sometime.
I heard The lg g5 has a unlocked bootlader
Sent from my SM-G935T using XDA-Developers mobile app
will6316 said:
I heard The lg g5 has a unlocked bootlader
Sent from my SM-G935T using XDA-Developers mobile app
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I have heard that too, but like many others, I have a 935T which we would like to make customizable.
Related to this - another casualty of the locked root thread is the activity of getting into TMo and Samsung's face through twitter and other avenues. Hopefully it is still going on, but without any means of communication on the matter in this forum - it may have just died.
Here are my two cents for those that have lost or are in the process of losing faith.
This is a very popular device. That goes without question.
This is a very popular forum. That too goes without question.
The T-Mobile forum is not the only forum with hopes of having an unlocked bootloader. Thus we can hope that there is someone out there (or perhaps even a team) that will stumble upon a solution. We all know that there are people experimenting with their own devices with known exploits and also using creativity and ingenuity in efforts of finding a new one. How many devices have been released with little hope of having root access? This is not the first. So many of you are doubtful and acting like you've been wronged by someone. I've been reading about members wanting to start class action lawsuits against Samsung for locking the bootloaders. But much of this is just talk until somebody does it. We have people stepping up to the plate constantly on trying to give you all what you want. Yet threads keep popping up which are no different from the ones that get closed for the same reasons yet all of which yield little to no results or even influence. The same tweets get sent, same calls get made, same e-mails sent, etc. Samsung, T-Mobile, Verizon, AT&T, etc all heard you! I heard you, you all have heard each other. For crap sake let it go already and just be patient! When somebody discovers a way then we can celebrate, look back on this day and remember at just how pathetic we were whining about not having root and some will even be kicking themselves in the butt for returning their phones. But then what? Oh... I know. The Galaxy S8 Edge will come out next year. Who wants to take bets that this all won't happen again? Honestly, I really don't care anymore. I just don't. I don't have root but I do have a damn good phone on a good network. Someday (hopefully soon) when I check this forum and see that root was discovered then I'll probably do it. No doubt that most of us will! But in the meanwhile, this isn't a forum for development anymore. This has turned into a group therapy session for those that feel victimized by Samsung (or whoever you want to point your fingers at.) Now... let me take my step off my soapbox and await all of the responses about how I'm wrong and a hypocrite or how I'm insensitive by hurting someone's feelings or even how my words are counterproductive to finding a resolution that you all seem to be losing sleep over. Guess what... I don't care about that either. I'm more frustrated about how everybody in this forum seem to be whining and crying about not having root than I am about having root access now. I can't log on without shaking my head at some of the comments that I read. Yet somehow, just like a horrible accident on the freeway, I can't help but gawk at the amazement of what I see which inevitably brings me back. I'll soon be at the point where when the time comes that I read "WE HAVE ROOT!!!" my first reaction will be cheerfully saying to myself, "Finally! People can stop whining and crying over it!" instead of the appropriate action of actually rooting.
I'll step down now. Thank you all for your time.
There is a lot of wining and complaining, but there were some hopeful pieces here and there.
I was hoping the Chinese 9350 Snapdragon was a path that might be followed. The specifics are beyond my skill set, but an am hoping if it is not a dead end that those for which it is not beyond theirs will be able to do something with it. I had tried the CROM system that had been posted over there but not surprisingly it would not work on this similar but different device.
So hoping the tread gets going again - and hopefully without the drama that get it shut down.
will6316 said:
I heard The lg g5 has a unlocked bootlader
Sent from my SM-G935T using XDA-Developers mobile app
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Yeah. But the reviews are rolling in. Subpar seems to be the consensus so far.
Sent from my SM-G935T using XDA-Developers mobile app
gaww said:
- No guarantee of confidentiality issues, personal information
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Wait a second. This implies there was a guarantee of personal information before. FU Samsung.
Quote:
Originally Posted by gaww View Post
- No guarantee of confidentiality issues, personal information
@rbiter said:
Wait a second. This implies there was a guarantee of personal information before. FU Samsung.
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Funny - don't remember that quote above. - lol?
gaww said:
Quote:
Originally Posted by gaww View Post
- No guarantee of confidentiality issues, personal information
Funny - don't remember that quote above. - lol?
Click to expand...
Click to collapse
I think you misunderstood. I was being sarcastic. With unlocked bootloader was Samsung guaranteeing security? Doubt it.
s7 edge root
I have a hong kong g9350 and find it very difficult to find good info about root,,,,, i got some stuff from baidu forums but the barrier is its not english and even with translate,its hard work, i believe that they have rooted successfully i have the root file and apparently the bootloader is not locked..... presume is the word. but until i can find info after rooting i dont want to risk it yet... theres no follow up dont even know if theres a recovery included like twrp or cm one any one else know anything thanx
gaww said:
There is a lot of wining and complaining, but there were some hopeful pieces here and there.
I was hoping the Chinese 9350 Snapdragon was a path that might be followed. The specifics are beyond my skill set, but an am hoping if it is not a dead end that those for which it is not beyond theirs will be able to do something with it. I had tried the CROM system that had been posted over there but not surprisingly it would not work on this similar but different device.
So hoping the tread gets going again - and hopefully without the drama that get it shut down.
Click to expand...
Click to collapse
May be of help in Downloaded crom. Service off Chinese site. And it tells me I can install roms and bootloader unlocked I'll put it up on mega soon. Also have the CF auto root off same site but I'm apprehension because of language barrier and post root details
https://mega.nz/#!zYUWkTAA
Try that
Sent from my SM-G9350 using XDA-Developers mobile app
xmanz said:
May be of help in Downloaded crom. Service off Chinese site. And it tells me I can install roms and bootloader unlocked I'll put it up on mega soon. Also have the CF auto root off same site but I'm apprehension because of language barrier and post root details
https://mega.nz/#!zYUWkTAA
Try that
Sent from my SM-G9350 using XDA-Developers mobile app
Click to expand...
Click to collapse
The CROM lock does not exist on non-Chinese bootloaders
Samsung's Chinese handsets bootloaders have in 3 types of bootloader locks, the carrier lock, the CROM lock (which is enabled if the Chinese bootloader does not find the "KIWIBIRD" string written in the STEADY partition), and the reactivation lock, they are not carrier locked.
U.S. variants only have the Carrier and reactivation locks, there is no CROM lock to unlock on these devices (or any international variants either), U.S. variants are however carrier locked, the lock is hardcoded in the bootloader code (there is just no execution path to load an unsigned kernel on the consumer carrier locked variant bootloaders, there is no "lock" Qfuse anymore, the bootloader itself just has no carrier unlocking/locking support, it is always locked by design) and the bootloader is tied to the device ID, for example SM-G935F (which is One Time Programmable) and will refuse to run on anything but the device id that is hardcoded within it, obviously the bootloader is signed so you can't modify it, there is also a revocation mechanism involving Qfuses to make sure you can't downgrade to a vulnerable version (should one exist).
There are presumably Engineering versions of the bootloader that allow running unsigned kernels but those have not been leaked and they probably won't run on devices for which the production mode Qfuse has been blown (the device is in Engineering mode when that Qfuse is not set).
mathieulh said:
The CROM lock does not exist on non-Chinese bootloaders
Samsung's Chinese handsets bootloaders have in 3 types of bootloader locks, the carrier lock, the CROM lock (which is enabled if the Chinese bootloader does not find the "KIWIBIRD" string written in the STEADY partition), and the reactivation lock, they are not carrier locked.
U.S. variants only have the Carrier and reactivation locks, there is no CROM lock to unlock on these devices (or any international variants either), U.S. variants are however carrier locked, the lock is hardcoded in the bootloader code (there is just no execution path to load an unsigned kernel on the consumer carrier locked variant bootloaders, there is no "lock" Qfuse anymore, the bootloader itself just has no carrier unlocking/locking support, it is always locked by design) and the bootloader is tied to the device ID, for example SM-G935F (which is One Time Programmable) and will refuse to run on anything but the device id that is hardcoded within it, obviously the bootloader is signed so you can't modify it, there is also a revocation mechanism involving Qfuses to make sure you can't downgrade to a vulnerable version (should one exist).
There are presumably Engineering versions of the bootloader that allow running unsigned kernels but those have not been leaked and they probably won't run on devices for which the production mode Qfuse has been blown (the device is in Engineering mode when that Qfuse is not set).
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Thank you I don't understand too much of the tech stuff. But mine isn't carrier locked as I'm in New Zealand. Crom tool says not locked….. And the baidu website has supposedly CF autoroot for g9350.. As I said I'm apprehensive to flash till better data comes available…. Shall I link the site and if you can be bothered have a look-see please. Cheers
Sent from my SM-G9350 using XDA-Developers mobile app