Unlocked bootloader necessary for custom ROM - G3 Q&A, Help & Troubleshooting

I am wondering if having the bootloader unlocked is necessary to install a custom ROM?
My g2 (Verizon) never had the bootloader unlocked, and there was a workaround using loki. Is this something that we can expect from the g3(also Verizon)?

for a rom no.... for a rom and KERNEL yes you do..
i wonder if the loki exploit will work on this model too.. Im no dev though

joemagistro said:
for a rom no.... for a rom and KERNEL yes you do..
i wonder if the loki exploit will work on this model too.. Im no dev though
Click to expand...
Click to collapse
I've also installed kernels on my g2 though...

joemagistro said:
for a rom no.... for a rom and KERNEL yes you do..
i wonder if the loki exploit will work on this model too.. Im no dev though
Click to expand...
Click to collapse
Loki was patched by lg earlier on g2
Sent from my SM-N900P using Xparent BlueTapatalk 2

Epix4G said:
Loki was patched by lg earlier on g2
Sent from my SM-N900P using Xparent BlueTapatalk 2
Click to expand...
Click to collapse
Expanding on that, on the g2 it was necessary to keep the version 10d bootloader if you updated to anything higher. I was running kit kat with the jellybean bootloader. I don't really know how to do it. It was included with autorec's install of twrp recovery.
Since the first versions of g3 software have bootloader patched for loki, there is nothing to revert back to.

Related

[Q] Bootloader unlocked?

I can't find any statements about the bootloader being locked or unlocked on Sprint, only that Verizon's is locked. Does anyone know for sure? I don't want to get stuck on a phone I can't modify.
daviderickson said:
I can't find any statements about the bootloader being locked or unlocked on Sprint, only that Verizon's is locked. Does anyone know for sure? I don't want to get stuck on a phone I can't modify.
Click to expand...
Click to collapse
Well sprint hasn't done it, and for sure Samsung doesn't do it, so I'm gonna go ahead and say no its not locked. Verizon is a **** that way.
There is already root for this device. Check the original development thread
Sent from my SPH-L900
Root and bootloader unlock are two different things. I havn't check the dev section but from what I heard the root was for the pre-release ROM, since then Sprint have change the firmware and the current root method doesn't work.
As far as the bootlocker concern, getting bootloader unlock means you can install custom ROM which have different kernel. Say you want a custom rom with Android 4.2 earlier than Sprint release or stuff like cifs module or overclock and etc, then you would need bootloader to be unlocked on the phone.
boot load is unlocked and root is for todays release. chain and i worked on it all night for yas.
dc13 said:
boot load is unlocked and root is for todays release. chain and i worked on it all night for yas.
Click to expand...
Click to collapse
And you had no help of course, huh? as I recall, my device works and tested working root
Sent from my SPH-L900 using Tapatalk 2
You tell him viper has ha ha
Sent from my SPH-L900 using xda app-developers app
Exynos source?
Does the Note 2 have the Exynos source out? Aka do developers have full access to the Exynos processor?
Or will there be problems for custom roms? (I heard without the source custom roms would be buggy or not full featured)
-viperboy- said:
And you had no help of course, huh? as I recall, my device works and tested working root
Sent from my SPH-L900 using Tapatalk 2
Click to expand...
Click to collapse
Nop no help at all. Hehehehehehe
Sent from my SPH-L900 using Tapatalk 2
madetokill said:
Does the Note 2 have the Exynos source out? Aka do developers have full access to the Exynos processor?
Or will there be problems for custom roms? (I heard without the source custom roms would be buggy or not full featured)
Click to expand...
Click to collapse
Not yet.
Sent from my EVO using Tapatalk 2

[ROM][Unofficial][4.3] CyanogenMod 10.2 with IR for jfltecan

All subsequent builds and any issues will be posted on this thread only! http://forum.xda-developers.com/showthread.php?t=2383143
Thanks downloading now.:good:
Awesome! Can't wait to try this!
Sent from my SGH-I337M using Tapatalk 2
Airtioteclint said:
Thanks downloading now.:good:
Click to expand...
Click to collapse
peoples_flip said:
Awesome! Can't wait to try this!
Sent from my SGH-I337M using Tapatalk 2
Click to expand...
Click to collapse
Just finishing the build now and I will upload as soon as it is done!
RIPng said:
Just finishing the build now and I will upload as soon as it is done!
Click to expand...
Click to collapse
Sounds good. I have 4.3 gapps and kt kernel ready. Will we need to flash super su along with this also?
Airtioteclint said:
Sounds good. I have 4.3 gapps and kt kernel ready. Will we need to flash super su along with this also?
Click to expand...
Click to collapse
Yes, you will. Just wondering which device you are using due to your signature. I can create a JFLTEATT build/thread if that is what you are using, you will still need to loki after though.
RIPng said:
Yes, you will. Just wondering which device you are using due to your signature. I can create a JFLTEATT build/thread if that is what you are using, you will still need to loki after though.
Click to expand...
Click to collapse
I'm using the US variant. I figured kt kernel would make it work?
Airtioteclint said:
I'm using the US variant. I figured kt kernel would make it work?
Click to expand...
Click to collapse
US Variants differ because some have locked bootloaders, if you are running ATT you will need loki. If the KT kernel you are using has loki, then you are good to go. If you are using an unlocked bootloader you don't need loki. I am going to be compiling an JFLTEATT build anyways, but feel free to try this in the meantime if you'd like!
RIPng said:
US Variants differ because some have locked bootloaders, if you are running ATT you will need loki. If the KT kernel you are using has loki, then you are good to go. If you are using an unlocked bootloader you don't need loki. I am going to be compiling an JFLTEATT build anyways, but feel free to try this in the meantime if you'd like!
Click to expand...
Click to collapse
Yeah I think kt kernel is lokied. I may even loki doki it just to be safe. I have the i337 btw.
Airtioteclint said:
Yeah I think kt kernel is lokied. I may even loki doki it just to be safe. I have the i337 btw.
Click to expand...
Click to collapse
It's up!
RIPng said:
This is an experimental build of CM10.2, flash at your own risk!
Click to expand...
Click to collapse
Great work! Excited to see this thread this morning! I'll begin testing this on the jflteatt i337 variant momentarily.
Sent from my GT-I9505G using Tapatalk 4 Beta
Jah0n said:
Great work! Excited to see this thread this morning! I'll begin testing this on the jflteatt i337 variant momentarily.
Sent from my GT-I9505G using Tapatalk 4 Beta
Click to expand...
Click to collapse
I am actually compiling a JFLTEATT build right now I made a thread here! http://forum.xda-developers.com/showthread.php?p=44110984#post44110984
Working well for me thus far!
Sent from my SGH-I337M using xda app-developers app
Recommendations on what Kernal to use with this? Or does it have a Kernel already?
QuickSkope said:
Recommendations on what Kernal to use with this? Or does it have a Kernel already?
Click to expand...
Click to collapse
Read the threads ..... It has been stated many times kt's kernel. Not trying to be an A hole but he really just answered 4 people talking about that. Also it is in the actual OP. "Kt's kernel for 4.3 is working."
Sent from my GT-I9505 using Tapatalk 4 Beta
sky_fox said:
Read the threads ..... It has been stated many times kt's kernel. Not trying to be an A hole but he really just answered 4 people talking about that. Also it is in the actual OP. "Kt's kernel for 4.3 is working."
Sent from my GT-I9505 using Tapatalk 4 Beta
Click to expand...
Click to collapse
When OP was talking about Kernels, he seemed to be talking to a user with a US phone. Im not aware as to weather you can use a Loki'd Kernel on a non loki required phone. If so, I am sorry for asking . If not, my question still stands as the canadian bootloader is unlocked.
QuickSkope said:
When OP was talking about Kernels, he seemed to be talking to a user with a US phone. Im not aware as to weather you can use a Loki'd Kernel on a non loki required phone. If so, I am sorry for asking . If not, my question still stands as the canadian bootloader is unlocked.
Click to expand...
Click to collapse
You would use a non Loki version of the kernel
Sent from my SGH-I337M using Tapatalk 4 Beta
Alright, thank you sir
Sent from my SGH-I337M using Tapatalk 2
RIPng said:
You would use a non Loki version of the kernel
Sent from my SGH-I337M using Tapatalk 4 Beta
Click to expand...
Click to collapse
I don't believe a non-loki version exists for 4.3 at this point
Sent from my SGH-I337M using Tapatalk 2
peoples_flip said:
I don't believe a non-loki version exists for 4.3 at this point
Sent from my SGH-I337M using Tapatalk 2
Click to expand...
Click to collapse
There is, its what I am using!
Sent from my SGH-I337M using Tapatalk 4 Beta

KK custom roms?

Is there a specific reason for the absence of custom roms based on stock KK for the LS980? Or based on other device but made for the LS980...?
Is something in particular holding devs back?
I would really like to try some of the G Pro II ports... or maybe an updated justins rom KK...
Sent from my LG-D801 using Tapatalk
Don't quote me on this but I believe it has to do with kernel issues. I'm running stock rooted ZVC but savoca had to make a special file to be able to keep twrp and still load the rom
Sent from my LG-LS980 using xda app-developers app
Its not kernel issues its more of getting a custom recovery on the phone after the kit kat update LG blocked an exploit used to install and use recoveries like TRWP. It gives you a verification issue when you try booting to recovery im pretty sure thats the main reason. Having said that there are ways to get around it but i believe you have to have ubuntu which half the people cant get and the process is so risky many users reported soft bricking and hard bricking their devices and at the moment rooting is about as far as you can go after kit kat our phones basically took on "samsung knox" in LGs form
Sent from my LG-LS980 using xda app-developers app
---------- Post added at 10:46 PM ---------- Previous post was at 10:43 PM ----------
There are also simpler ways to install twrp but then your kernel breaks and you have to flash something else which eventually breaks twrp so you are stuck at stage 1 all over again
Sent from my LG-LS980 using xda app-developers app
OK just confirmed that you can get it to work and boot with twrp but it breaks download mode check this thread out http://forum.xda-developers.com/showthread.php?t=2702007
Sent from my LG-LS980 using xda app-developers app
I get all this. But whats the point right now to do all this if there still isnt an actual custom rom to flash...? Besides all this. Is something different that no developer has actually made or released a rom for us... i thought it would just have been a patch for th is phone and hats it. But it seems like theres more to it. Besides the whole recovery thing.
Sent from my LG-D801 using Tapatalk
ceyo14 said:
I get all this. But whats the point right now to do all this if there still isnt an actual custom rom to flash...? Besides all this. Is something different that no developer has actually made or released a rom for us... i thought it would just have been a patch for th is phone and hats it. But it seems like theres more to it. Besides the whole recovery thing.
Sent from my LG-D801 using Tapatalk
Click to expand...
Click to collapse
Then do it. Show us your mad dev skillz. Because obviously you know what needs to be done. You don't even need to completely customize the rom. Just port a different one like the ones your interested in.
Or do just part of the work to help the others out. Compile a new kernel so that we don't need to use stock. Release your hack to make it so we don't break download mode when we make it still possible to bypass loki. Get real creative and make the ZVC radio work on Jellybean!
And if you don't feel like doing the actual work to get it working, why don't you get involved in the threads where they are talking about issues, and help out the ones that ARE doing the work. Jump on IRC and give them a heads up on how you fixed it so they can put release it for everyone to use.
And your sig says your on an LG-D801, so nothing here would work for your phone anyway!
Yeah.. i tried once and got stuck at the part to download sources... but thats not hat i mean. Im asking this. Because devs said that once a kernel and sourco came out they would make a patch. Obviously something is different for us that this patch hasn't been possible for us... if it was as simple as they thought it would have been done already.
But i dont think the recovery problems are delaying this. Or are they? Maybe they are to prevent bricks? But ive seen plenty of devs release either way with obvious disclaimers only for advanced users.
Sent from my LG-D801 using Tapatalk
ceyo14 said:
Yeah.. i tried once and got stuck at the part to download sources... but thats not hat i mean. Im asking this. Because devs said that once a kernel and sourco came out they would make a patch. Obviously something is different for us that this patch hasn't been possible for us... if it was as simple as they thought it would have been done already.
But i dont think the recovery problems are delaying this. Or are they? Maybe they are to prevent bricks? But ive seen plenty of devs release either way with obvious disclaimers only for advanced users.
Sent from my LG-D801 using Tapatalk
Click to expand...
Click to collapse
You obviously missed my point. The point was, if it was possible with the current state of the phone, there would be at least THREE out by now (stock rooted, Optimus, and d3rp). Since you don't see those 3 released yet, that means that there are other issues. So if you can fix those issues, let the community know how to fix them. If you can't fix the issues, then be patient and realize that all threads like this do is annoy the people that are working hard trying to fix them. Because it comes off as being very ungrateful and demanding of people that are volunteering their time to make things better for everyone. If you can help, do it. If you can't help, be patient.
Update. I memtioned that im on justiins rom, well thats because i use my ls980 for tmobile. Well i decided to flash cloudyproii 1.2 after following the autoboot instuctions specified by the person who uploaded the zvc tot. And saw no harm so i backed up everything and wiped everything and flashed cloudy then flashed s avocas ls980 kernel then autoboot again. Then i had to wipe cache again and it boot up. And its running great. The only thing is i cant currently record at 120fps or 4k.... but this rom is great.
Sent from my LG-D801 using Tapatalk
I was really wanting a custom rom, but with the xposed modules and Furnace kernel, i'm getting most of just about all the customization I'd get anyway.
The thing is that with the Sprint rom it is so much hassle to use with gsm. That's why I used Justin's first. And now this cloudyproii. Rom is great.
Sent from my LG-D801 using Tapatalk
ceyo14 said:
The thing is that with the Sprint rom it is so much hassle to use with gsm. That's why I used Justin's first. And now this cloudyproii. Rom is great.
Sent from my LG-D801 using Tapatalk
Click to expand...
Click to collapse
Using Justin's, and working in gsm mode. Probably made it so you can use the cloudy pro 2. Sprint users can't use it yet as it isn't altered to work with us.
Sent from my LG-LS980 using Tapatalk
Justins had nothing to do with it. Its just that cloudyproii doesnt have cdma support so it defaulted to gsm.
I actually flashed the zvc tot to upgrade so i was using sprint, then flashed cloudyproii... i just had to flash an ls980 kernel and then autoboot.
Sent from my LG-D801 using Tapatalk
ceyo14 said:
Justins had nothing to do with it. Its just that cloudyproii doesnt have cdma support so it defaulted to gsm.
I actually flashed the zvc tot to upgrade so i was using sprint, then flashed cloudyproii... i just had to flash an ls980 kernel and then autoboot.
Sent from my LG-D801 using Tapatalk
Click to expand...
Click to collapse
so how is CloudyPro working for you after you flashed it. does it work well enough for a daily driver?
Sent from my Sprint LG G2 using Tapatalk
Its great. Totally a DD. But obviously only for GSM... im using it on tmobile. Its better than justins rom because i have the custom goods. The only things not working are NFC and the 4K and 120FPS but i ddnt have them before either...
Sent from my LG-D801 using Tapatalk
ceyo14 said:
Justins had nothing to do with it. Its just that cloudyproii doesnt have cdma support so it defaulted to gsm.
I actually flashed the zvc tot to upgrade so i was using sprint, then flashed cloudyproii... i just had to flash an ls980 kernel and then autoboot.
Sent from my LG-D801 using Tapatalk
Click to expand...
Click to collapse
CloudyPro 2 doesn't show support for ls980. How did u get it to work? What version did u flash in recovery?
Sent from my LG-LS980 using xda app-developers app
It doesnt show support because there is no CDMA software... and since I use tmobile i selected d801 in aroma
Sent from my LG-D801 using Tapatalk
And after flashed ls980 kernel and autoboot
Sent from my LG-D801 using Tapatalk
Can this be done with other roms? I use t mobile also. Can I flash any 801 rom as long as I change the kernel?
Sent from my LG-LS980 using xda app-developers app
lonz358 said:
Can this be done with other roms? I use t mobile also. Can I flash any 801 rom as long as I change the kernel?
Sent from my LG-LS980 using xda app-developers app
Click to expand...
Click to collapse
Well I tried cloudy pro because its for multiple variants... I think if you try a d801 specifically it will probably say that your phone isn't a d801 and it probably won't. let you...
Sent from my LG-D801 using Tapatalk

[Q] Bootloader exploit is possible to realize ?

Could we have in your opinion a valid bootloader exploit, or an hw exploit to free this damn bootloader ?
If you look at g2....several people have looked at this bootloader and said it looks the same so the using of patched kernel and other may help just Need for people to get the us versions and get the info we Need ...the guys that have won the t mobile ones Need to get a adb Dump and then the guys can start thinking about recovery
Sent from my SM-G900P using Xparent BlueTapatalk 2
Epix4G said:
If you look at g2....several people have looked at this bootloader and said it looks the same so the using of patched kernel and other may help just Need for people to get the us versions and get the info we Need ...the guys that have won the t mobile ones Need to get a adb Dump and then the guys can start thinking about recovery
Sent from my SM-G900P using Xparent BlueTapatalk 2
Click to expand...
Click to collapse
Keep in mind on the g2 the patched kernels were not what allowed to have custom recovery with kitkat, the patched kernels were just modified stock kk kernels with the needed information to allow us to boot the kk system/modem/etc with the older already exploitable jb bootloader and it each g2 variant had a specific jb bootloader that needed to be used it couldn't be just any jb bootloader; on another note it maybe true that they are similar but it also turns out the g3 gas 2 bootloaders not one like every other device so that has to be looked into to see how they interact with each other
Sent from my Potato powered G2 D800
Someone of us have Korean variant. I have F400K .
We can make some tests if you need...
Yea I am not a dev and would not want to risk another persons phone, I just happen to be in the g2 scene and know a lot about it
Sent from my Potato powered G2 D800

[Q] Have root, twrp, stuck in logo loop

Lg g2 ls980, build kot49I.LS980ZVC-kernal 3.4.0 - KK4.4.2 Using twrp 7.3.5
I have no problem backing up or installing ls980 zvc roms but when rebooting it only gets to the logo then reboots. I have searched for solution and I'm sure it's here but I have already bricked one G2 and fear being off one step then bricking again. Thx for any advice.
curster said:
Lg g2 ls980, build kot49I.LS980ZVC-kernal 3.4.0 - KK4.4.2 Using twrp 7.3.5
I have no problem backing up or installing ls980 zvc roms but when rebooting it only gets to the logo then reboots. I have searched for solution and I'm sure it's here but I have already bricked one G2 and fear being off one step then bricking again. Thx for any advice.
Click to expand...
Click to collapse
Which twrp? Should be 2.7.0.1 is latest. How did you install twrp. If you were already on zvc you should have used auto-rec.
Sounds like your bootloader may not be downgraded with proper kennel.
Sent from my LG-LS980 using Tapatalk
Bootloader?
secret.animal said:
Which twrp? Should be 2.7.0.1 is latest. How did you install twrp. If you were already on zvc you should have used auto-rec.
Sounds like your bootloader may not be downgraded with proper kennel.
Sent from my LG-LS980 using Tapatalk
Click to expand...
Click to collapse
Yeah I did use the Auto rec. I was doing back flips actually when I was finally able to do a nand backup. But about this bootloader thing I don't have a clue. Please give me noob instructional advice I suffered With the LG Esteem and all the pipe dreams of Cm9/10 back then. And really need a new rom fix.
Thx Curster (droid drunky)
______
Huawei / cm7
Admire / cm10
LG Esteem / cm promises
LG G2 ls980 / cm?
Which zvc ROM have you tried?
Only cm aosp or stock based?
Sent from my LG-LS980 using Tapatalk
secret.animal said:
Which zvc ROM have you tried?
Only cm aosp or stock based?
Sent from my LG-LS980 using Tapatalk
Click to expand...
Click to collapse
I have tried many actually. cm11 regular and the latest nightly, Pacman I'm not sure of them all but I am using the latest twrp and it says install successful so I don't know really.
I'm not sure aosp is compatible yet with zvc. Best to at least get up and running is either super g2, or optimus.
Sounds like mostly aosp builds.
Try one of those stock base first
Sent from my LG-LS980 using Tapatalk
secret.animal said:
I'm not sure aosp is compatible yet with zvc. Best to at least get up and running is either super g2, or optimus.
Sounds like mostly aosp builds.
Try one of those stock base first
Sent from my LG-LS980 using Tapatalk
Click to expand...
Click to collapse
Thx I will try that then report my findings. Has anyone else had this problem? And I suppose I should start a new thread for this question.... But is the LG G2 LS980 from sprint able to be unlocked and transferred to another carrier?
Actually yes. It is through build prop edits. But in doing so if you mess something up you could be stuck.
Sent from my LG-LS980 using Tapatalk

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