LineageOS with locked bootloader - OnePlus 5 Questions & Answers

Hello All,
I am interested in LineageOS with locked bootloader in my one plus 5. I know this is possible as one plus has class B bootloader implementation.
Is there a guide for the same?

praveenkv1988 said:
Hello All,
I am interested in LineageOS with locked bootloader in my one plus 5. I know this is possible as one plus has class B bootloader implementation.
Is there a guide for the same?
Click to expand...
Click to collapse
Here you go: https://forum.xda-developers.com/oneplus-5/how-to/guide-relock-bootloader-custom-rom-t3849299

Thanks. That helps. Also, considering lineageos public key is available, can we use that public key in the recovery and lock the bootloader?
Lineage OS public key: https://github.com/LineageOS/update_verifier/blob/master/lineageos_pubkey

Related

XT320 Bootloader

Hey guys, I have seen the forum many people talking about unlocking the bootloader of the XT320, but none has yet succeeded in unlocking ... I was wondering if you have any opnion of how to unlock it because the hardware specs would be easily possible to make a stable version of Android 4.x for him :crying: ... Anyone have any ideas? By the method of 2nd init boot there is no possibility?
Luiz Paulo Damaceno said:
Hey guys, I have seen the forum many people talking about unlocking the bootloader of the XT320, but none has yet succeeded in unlocking ... I was wondering if you have any opnion of how to unlock it because the hardware specs would be easily possible to make a stable version of Android 4.x for him :crying: ... Anyone have any ideas? By the method of 2nd init boot there is no possibility?
Click to expand...
Click to collapse
We are going to see if bootloader is exploitable and so far the outcome has been negative for exploits. First we need to find a hijack to run 2nd-init. For now I'm still trying to search a working hijack. Then we need to boot the ROM from the sdcard as /system is too small and it's too difficult to symlink all the apks to /flex. So we need to port 2nd-system for Qualcomm Devices which rely on a 2nd init hijack. So basically we dual boot stock ROM and custom ROM.

Treble and locked or unlocked bootloaders

It may be obvious to others,but... What (if anything) does the project treble requirement to be able to boot a vanilla Android ROM do to the idea of the OEM locked bootloader?
I know that there are devs working on bringing project Treble to older/non-treble devices, but going forward, will devices shipping with Oreo, P and others in future be able to have OEM locked bootloaders and still meet the requirement of booting a vanilla android image?
I'm interested as I've not felt the need for a custom ROM since KitKat.
David _J_D said:
It may be obvious to others,but... What (if anything) does the project treble requirement to be able to boot a vanilla Android ROM do to the idea of the OEM locked bootloader?
I know that there are devs working on bringing project Treble to older/non-treble devices, but going forward, will devices shipping with Oreo, P and others in future be able to have OEM locked bootloaders and still meet the requirement of booting a vanilla android image?
I'm interested as I've not felt the need for a custom ROM since KitKat.
Click to expand...
Click to collapse
Yes as long as you can unlock the bootloader you can flash other system images to it or do whatever you want with the device.
But with a locked bootloader you cant alter the necessary system partition despite the device is treble partitioned.
PhonyOnXDA said:
Yes as long as you can unlock the bootloader you can flash other system images to it or do whatever you want with the device.
But with a locked bootloader you cant alter the necessary system partition despite the device is treble partitioned.
Click to expand...
Click to collapse
After loading a GSI Treble ROM can the bootloader be relocked?

Custom ROM for Nokia 6.1 plus

Will there be any custom ROM for Nokia 6.1 plus
saurabh.k said:
Will there be any custom ROM for Nokia 6.1 plus
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Click to collapse
Phone supports treble and AB partitioning. You can probably flash a GSI from the project treble forums.
ruifung said:
Phone supports treble and AB partitioning. You can probably flash a GSI from the project treble forums.
Click to expand...
Click to collapse
Does flashing a gsi is as safe as flashing a custom rom.
And after flashing gsi is it possible to revert back to official android one(pie)????????
saurabh.k said:
Does flashing a gsi is as safe as flashing a custom rom.
And after flashing gsi is it possible to revert back to official android one(pie)????????
Click to expand...
Click to collapse
a GSI (Generic System Image) is just a fancy term for a custom ROM system image for project treble enabled devices
And in theory, this phone supports the A/B partitioning (apparently, according to treble check app), you can try flashing to the other partition and set it as active?
Besides, I think you can flash the stock images if you can find them too.
Although, obviously this means you need to unlock your bootloader. Which of course voids warranty, etc, etc.
Yupp if any developer will take interest and nokia release source code.
Source code available now for 6.1 Plus & others.
Nikhil Stark said:
Yupp if any developer will take interest and nokia release source code.
Click to expand...
Click to collapse
Nokia have released the source code, so dev could possibly create a AOSP rom for the 6.1 plus and other source codes for other Nokia's are also available. https://nokiapoweruser.com/nokia-7-1-and-nokia-6-1-plus-kernel-source-code-now-available-for-download/
All we need now is a way to unlock the bootloader officially. Hopefully it happens this year. Nokia keeps saying stay tuned and watch their facebook page for updates on bootloader unlocking, so it should happen eventually.
slysurfer said:
Nokia have released the source code, so dev could possibly create a AOSP rom for the 6.1 plus and other source codes for other Nokia's are also available. https://nokiapoweruser.com/nokia-7-...ernel-source-code-now-available-for-download/
All we need now is a way to unlock the bootloader officially. Hopefully it happens this year. Nokia keeps saying stay tuned and watch their facebook page for updates on bootloader unlocking, so it should happen eventually.
Click to expand...
Click to collapse
I applied for unlocking bootloader yesterday through the official app present hope for the best
Good Luck
Nikhil Stark said:
I applied for unlocking bootloader yesterday through the official app present hope for the best
Click to expand...
Click to collapse
I did try to unlock my Nokia 6 (2018 ) and I spoke with a Nokia represenative about unlocking my Nokia 6.1 plus, but was unable to do so. Hope you have success, if you do let us know.
Thanks Nikhil.
Bootloader unlock
Nikhil Stark said:
I applied for unlocking bootloader yesterday through the official app present hope for the best
Click to expand...
Click to collapse
Hi Nikhil, How did you go. Did Nokia allow you to unlock your Bootloader??
Did anyone flash a gsi and was able to get gapps afterwards? If so, how? I can't find a functional twrp for our device
saurabh.k said:
Will there be any custom ROM for Nokia 6.1 plus
Click to expand...
Click to collapse
Um.. I think custom roms will be out for Nokia X6 as now twrp is successfully ported and even some kernals.Thanks to developers.
Development started!?

Simple questions about pixel C.

Hello everyone, I would like to create a new topic because I would like to know if an official version of LineageOS 16 existed for pixel C or if not, is there an official version planned? (a date?)
-Besides, I didn't find an answer to know if relocking the bootloader would bring back the guarantee, is that the case?
-And finally I didn't find any information about applications compatible with lineageOS 14.1, are they all or not compatible? Is there by any chance a compatible or incompatible application list?
Thank you very much if you would take the time to answer me.
Have a good day!
1. I also would like to know if there will be an official release of lineageos 16.
2. I relocked the bootloader on a pixel c and gave it back without problems
3. I'm in doubt if there is a list of compatible apps - just test it and you will see

Need custom ROMs

I know that the ROM development is not a easy task.but our device (TA-1021) only have a one custom ROM as how I know.
It's a shame that even samsung galaxy core prime ( SM-G360H ) got plenty of ROMs but.:crying: anyone???
Can't unlock bootloader and no kernel source. Go blame Nokia instead
WiMiOP said:
Can't unlock bootloader and no kernel source. Go blame Nokia instead
Click to expand...
Click to collapse
https://www.nokia.com/phones/en_int...Dbu4lQHeQVXWsYwYO3QaAmYzEALw_wcB&gclsrc=aw.ds
Are u alright? Man here are the kernel source code of nokia 6 ...
I am not a developer of nokia 6 or else but source codes are available on nokia website can't you check it?
And bootloader is easily unlockable by the unlock key .
I have unlocked bootloader of my phone

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