Possible too flash the stock boot loader? - AT&T Samsung Galaxy S7 Questions & Answers

I have my s7 edge rooted. I only need root to edit one string in build.prop. is it possible to flash the stock bootloader after the edit? I know root would no longer work but I don't need root after the build.prop is edited.

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A random thought

Well i was thinking, on my Verizon s5 the bootloader is locked correct? And i know i have safestrap recovery but recovery can't flash the blaze kernel because it can't access the locked partition correct, well what if i was on my stock rom that's rooted. ... here me out. .... well root has power, what im asking is, can't i just flash the kernel from my root rom? ?
Example of root power, if i install fx file manager, and the root plugging i can modify any system file and more because I'm root, unlike the recovery....

Upgrading to MM from LP (Rooted)

I've been reading a lot of threads with a number of different ways to upgrade to MM on a rooted phone. Anywhere from restoring back to stock to take the OTA to flashing one of the files in this thread http://forum.xda-developers.com/mot...rom-stock-rooted-debloated-x1575-6-0-t3262242
I am currently running LP 5.1.1 unlocked BL, rooted, xposed installed.
Couldn't I just unroot, flash stock recovery and the system img and accept the OTA? DO I have to return to full stock? Also is systemless root the only way to root after you take the OTA?
Sorry be there is so much information going around I just want to make sense of the update process.
AndKacz said:
I've been reading a lot of threads with a number of different ways to upgrade to MM on a rooted phone. Anywhere from restoring back to stock to take the OTA to flashing one of the files in this thread http://forum.xda-developers.com/mot...rom-stock-rooted-debloated-x1575-6-0-t3262242
I am currently running LP 5.1.1 unlocked BL, rooted, xposed installed.
Couldn't I just unroot, flash stock recovery and the system img and accept the OTA? DO I have to return to full stock? Also is systemless root the only way to root after you take the OTA?
Sorry be there is so much information going around I just want to make sense of the update process.
Click to expand...
Click to collapse
You can probably just flash stock recovery and system.img and accept the OTA.
Systemless root isn't the ONLY way to achieve root on MM, but using the traditional (/system) root method requires a modified kernel to set SELINUX to permissive. For now, it looks like systemless is the way to go.
Good Luck.
samwathegreat said:
You can probably just flash stock recovery and system.img and accept the OTA.
Systemless root isn't the ONLY way to achieve root on MM, but using the traditional (/system) root method requires a modified kernel to set SELINUX to permissive. For now, it looks like systemless is the way to go.
Good Luck.
Click to expand...
Click to collapse
Is there an advantage of systemless root over the traditional? And I am guessimg since I have SuperSu installed I will still need to do a complete restore to stock.

Remove root/eng kernel without wiping?

I have rooted my phone, installed AdBlock hosts file, and changed the stupid S7 emojis to stock Nougat emojis. now, is there any way I can remove root and replace the kernel back with the original stock kernel, without wiping my phone? so basically I want unrooted just with the mods I made to /system. haven't seen this mentioned anywhere..
xVermicide said:
I have rooted my phone, installed AdBlock hosts file, and changed the stupid S7 emojis to stock Nougat emojis. now, is there any way I can remove root and replace the kernel back with the original stock kernel, without wiping my phone? so basically I want unrooted just with the mods I made to /system. haven't seen this mentioned anywhere..
Click to expand...
Click to collapse
You could... but it wouldn't boot because the bootloader and kernel would detect a customized system partition.
xVermicide said:
I have rooted my phone, installed AdBlock hosts file, and changed the stupid S7 emojis to stock Nougat emojis. now, is there any way I can remove root and replace the kernel back with the original stock kernel, without wiping my phone? so basically I want unrooted just with the mods I made to /system. haven't seen this mentioned anywhere..
Click to expand...
Click to collapse
You can always try. Worst off you have to reflash the system partition as well. I went back to stock system and kernel without wiping the device and everything is working except Samsung Pay, but I think that's because I pin encrypted the boot (which I guess has no plans to support).
To flash just the kernel download your current release from one of the dev mirrors and extract the tar. Re-tar just the kernel (and the system if you want to revert both) and flash in the AP slot. Just as a safety measure, I would enable the "OEM Unlock" in Developer options, but that might not do anything for us.

Root, enable hidden features,unroot with out recovery or unlocking bootloader?

Basically i want to edit some build.prop lines and enable features like wake with double tap,but my warranty will be void. The phone's been with me for only 4 months only. So can i root using maybe kingroot,edit the files and then unroot like nothing ever happened?
i think this phone needs a modified boot image for root, which needs the bootloader to be unlocked to boot.
you shouldn't use kingroot even if it does work, many people warn you to not install it. kingroot is a bit shady.
just use any of the normal root methods on this forum. you could unroot and install stock recovery and then relock the bootloader, but you have to search around for instructions for that

Can't edit system file even with root access

I'm rooting my old Nexus 6P for the first time, so there may be some things I don't fully understand yet. So far I have unlocked the bootloader, installed TWRP and Magisk and I have root access. The phone itself is on the stock ROM with all the latest possible updates.
Now I gave root access to Root Explorer in r/w mode and I would need to add a few lines into an XML file in the etc/permissions folder. However, it won't save the changes. Is this due to the stock ROM being used? Do I have to get a custom ROM or is there a way to edit the file on the stock ROM?

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