So I'm having an issue with updating my phone.
I have tried reading all of the threads, but so many things are still a mystery and are confusing. I haven't been able to get a full understanding of all of this.
I have a LG G5 H830 10a T-Mobile variant.
I am running Android 6.0.1
I have a custom recovery of TWRP
My phone is rooted with SuperSU also.
All I want to do, is to update my phone to Nougat. What is the process I have to go through? After reading all about it, here is my assumption:
I download Flashfire and use DisableService to disable my root and SuperSu, then I run the OTA Nougat update...
That didn't work. I got an error from TWRP that said:
"unable to flash update.zip from cache/update.zip, update is meant for "h1" device, your device is an H830"
Or something along those lines.
I have a Nandroid backup, so I'm not worried if I brick or soft brick it.
Any help please?
Thanks!
technocrat7 said:
So I'm having an issue with updating my phone.
I have tried reading all of the threads, but so many things are still a mystery and are confusing. I haven't been able to get a full understanding of all of this.
I have a LG G5 H830 10a T-Mobile variant.
I am running Android 6.0.1
I have a custom recovery of TWRP
My phone is rooted with SuperSU also.
All I want to do, is to update my phone to Nougat. What is the process I have to go through? After reading all about it, here is my assumption:
I download Flashfire and use DisableService to disable my root and SuperSu, then I run the OTA Nougat update...
That didn't work. I got an error from TWRP that said:
"unable to flash update.zip from cache/update.zip, update is meant for "h1" device, your device is an H830"
Or something along those lines.
I have a Nandroid backup, so I'm not worried if I brick or soft brick it.
Any help please?
Thanks!
Click to expand...
Click to collapse
You're not going to be able to update to Android N yet if you want to keep twrp and root. Only way to do it currently is if you have 100% stock phone and update via ota or using the zip file that was posted. If you don't care about root or twrp, update to 10j using the complete zip that autoprime posted and don't install SuperSU or dm-verity and let boot. You will have 100% stock and can take ota or use zip method. *** There is no current way to get root or twrp for t mobile version once on official android N yet *** So if root and twrp are important just wait until autoprime gets a chance to upload the flashable zip files for N to flash in twrp. You could also use cm or cm based Roms if you want android N, plus those are 7.1 stock is only 7.0, but if you want stock rooted just have to wait until it's released.
jeffsga88 said:
You're not going to be able to update to Android N yet if you want to keep twrp and root. Only way to do it currently is if you have 100% stock phone and update via ota or using the zip file that was posted. If you don't care about root or twrp, update to 10j using the complete zip that autoprime posted and don't install SuperSU or dm-verity and let boot. You will have 100% stock and can take ota or use zip method. *** There is no current way to get root or twrp for t mobile version once on official android N yet *** So if root and twrp are important just wait until autoprime gets a chance to upload the flashable zip files for N to flash in twrp. You could also use cm or cm based Roms if you want android N, plus those are 7.1 stock is only 7.0, but if you want stock rooted just have to wait until it's released.
Click to expand...
Click to collapse
Ohh okay, perfect thank you!
With that in mind, I had another question..
I have an LG V20 as well.
One thing I was thinking of doing was the following:
Unlocking the bootloader, putting a custom recovery like TWRP on it.
Make a Nandroid backup.
Then root it, and then go about my business. If something like this happens again and I want to update, I can simply do a Titanium Backup go to my Nandroid backup, restore it. Then update OTA, then reroot, run titanium backup restore, and then I'll be back where I left off.
will that work?
And one last question:
How would I go back to factory settings on my LG G5?
technocrat7 said:
Ohh okay, perfect thank you!
With that in mind, I had another question..
I have an LG V20 as well.
One thing I was thinking of doing was the following:
Unlocking the bootloader, putting a custom recovery like TWRP on it.
Make a Nandroid backup.
Then root it, and then go about my business. If something like this happens again and I want to update, I can simply do a Titanium Backup go to my Nandroid backup, restore it. Then update OTA, then reroot, run titanium backup restore, and then I'll be back where I left off.
will that work?
And one last question:
How would I go back to factory settings on my LG G5?
Click to expand...
Click to collapse
I'm not 100% sure but I don't think that would work as once you install twrp it modifies the recovery. IMG which would cause ota to fail. But on the other hand, you could most likely do the same method as the g5 to go back to official and take ota. Flashing the complete zip (if those are being created for the v20, haven't checked that thread as I don't own that device) and not re-installing the dm-verity or SuperSU will always reinstall the original boot.img and recovery.img and be 100% official stock. Hope this helps.
jeffsga88 said:
I'm not 100% sure but I don't think that would work as once you install twrp it modifies the recovery. IMG which would cause ota to fail. But on the other hand, you could most likely do the same method as the g5 to go back to official and take ota. Flashing the complete zip (if those are being created for the v20, haven't checked that thread as I don't own that device) and not re-installing the dm-verity or SuperSU will always reinstall the original boot.img and recovery.img and be 100% official stock. Hope this helps.
Click to expand...
Click to collapse
Thanks!
That helps a ton.
What is dm-verity though?
technocrat7 said:
Thanks!
That helps a ton.
What is dm-verity though?
Click to expand...
Click to collapse
The zip file we flash to disable force encryption (now this is part of the latest SuperSU zips).
jeffsga88 said:
The zip file we flash to disable force encryption (now this is part of the latest SuperSU zips).
Click to expand...
Click to collapse
Can you link to the latest superuser? Just wanna have it on hand for when the H830 N zip drops
carnivalrejectq said:
Can you link to the latest superuser? Just wanna have it on hand for when the H830 N zip drops
Click to expand...
Click to collapse
Here's the link to chainfires thread which will always have the latest beta supersu versions:
http://forum.xda-developers.com/apps/supersu/2014-09-02-supersu-v2-05-t2868133
Related
If I root the latest stock 4.4.2, will I still be able to get future OTA Updates without braking the root or custom recovery, well if root gets lost I can always root it again. Just asking, maybe I won't be able to get OTA Updates at all after rooting but I don't know so that's why I'm asking it here.
KuGeL94 said:
If I root the latest stock 4.4.2, will I still be able to get future OTA Updates without braking the root or custom recovery, well if root gets lost I can always root it again. Just asking, maybe I won't be able to get OTA Updates at all after rooting but I don't know so that's why I'm asking it here.
Click to expand...
Click to collapse
Yes!
SWTR said:
Yes!
Click to expand...
Click to collapse
Indeed.
KuGeL94 said:
If I root the latest stock 4.4.2, will I still be able to get future OTA Updates without braking the root or custom recovery, well if root gets lost I can always root it again. Just asking, maybe I won't be able to get OTA Updates at all after rooting but I don't know so that's why I'm asking it here.
Click to expand...
Click to collapse
The OTA will download but not install. You need stock recovery AND any system file that is updated by the OTA needs to be stock as well otherwise OTA install will fail.
Plenty of threads on XDA speak of this.
If you look at the OTA updater file you will see if uses MD5 (or similar) to check each system file it updates to make sure its as it was originally.
When you root it alters some system files.
Best thing is to install custom recovery and take a backup before rooted. Then root. When you get an OTA just restore backup and flash stock recovery. Then OTA will re-download. Let it install, then flash custom recovery and re-root.
Thanks, well I'll just stay unrooted and make the best out of it, the Moto G is just as amazing as Motorola developed it to be.
No stock recovery it's no need. I updated last ota with Philz recovery without problems.
denzel09 said:
No stock recovery it's no need. I updated last ota with Philz recovery without problems.
Click to expand...
Click to collapse
Do you mean you downloaded OTA and flashed manually via recovery. You can do that I agree, but what you can't do is let OTA install naturally the way Motorola intended.
No. I had Philz recovery. System stock partition. Downloaded ota normally, reboot like ota update ask, phone reboots in philz recovery and this last flash ota automatically without any problem. There is not need to reflash stock recovery or flash ota update manually with custom rec, only need a non root stock system partition. I dont know if stock cwm or other rec like twrp work in same way but i doubt, always used only philz recovery.
You do not need stock recovery, I don't know who made this stupid rumour up. I use twrp and it flashes fine.
Sent from my Google Nexus G -
I was wondering, I have rooted my phone using Chainfire's CF-Autoroot.
Normally this will disable OTA updates, I'm aware of that.
But is there some way to manually flash the monthly security updates that Samsung releases each month ?
(or at least they say they are going to release them each month).
Is there a source somewhere where we can download them and flash then using Odin or TWRP ?
No you didnt root. There isnt full root for s7 yet
vipercoyote said:
No you didnt root. There isnt full root for s7 yet
Click to expand...
Click to collapse
Are you sure ? Because when I check manually for updates, I get the message stating that my phone has changed (root) and so updates cannot be downloaded and installed. It says that I need to try to download it via a PC tool from Samsung.
vipercoyote said:
No you didnt root. There isnt full root for s7 yet
Click to expand...
Click to collapse
There is for the International version.
vipercoyote said:
No you didnt root. There isnt full root for s7 yet
Click to expand...
Click to collapse
There very well is for the Exynos version/type and the reason I'm tempted to get it after prices have dropped a bit :
Check it here: http://forum.xda-developers.com/galaxy-s7/development/recovery-official-twrp-herolte-t3333770
Ok guys, now that we have established that root is available and working for the European version (which I have)...
Anyone know if the monthly patches from Samsung/Google will be available for download somewhere, so we can flash it manually and still be up-to-date ?
I would like to know this as well. I would guess they could be flashed with Odin?
I would like to know this. I am on the W8 variant rooted with autoroot and wondering how will I go about updating to new patches.
Sent from my SM-G930W8 using Tapatalk
I love Android.
you should flash your firmware via Odin to unroot, apply OTA, root again with auto root.
exploreresp said:
you should flash your firmware via Odin to unroot, apply OTA, root again with auto root.
Click to expand...
Click to collapse
Yes, I am aware of this possibility.
I was just hoping in applying the monthly patch without full flash (which completely wipes the phone).
Indeed, flashing will reset the phone...I found that the hard way last night.
There is a topic on S7edge forum about Chainfire's FlashFire app. It claims that can flash without resetting the phone.
Did not try it but I will follow the discussions there. Would be perfect to flash a new f/w and not have the phone reset. ( like good old times
Maybe it is possible to prevent the userdata and internal storage to be wiped by flashing the official firmware ?
Anyone has succeeded to do so ?
I managed to download the complete new firmware G935FXXU1APD3 from Sammobile and flashed it with ODIN with the phone in download mode.
It did not overwrite any of my personal data or apps and the phone worked as before however you will need to root again afterwards, but that doesn't take long anyway.
The only other thing I had to do was copy the mixer_paths and mixer_gain files to the SD card then replace them as the new firmware overrides the volume hack if you have it in place.
Keith
I guess that's what Chainfire trying to achieve with Flashfire. To be able to directly flash the Updates without having to manually backup/restore anything. Let's see how this goes. As of today you could flash the full oding images within flashfire.
Will definitely try when the next update for my phone variant comes.
I did take a TWRP backup just in case but was pleasantly surprised when the phone booted back to where it was.
I can confirm that the Flashfire method can be used for updates. Grab the update package, flash it through flashfire, and even select the "ever root" option to maintain root. Works great!
databoy2k said:
I can confirm that the Flashfire method can be used for updates. Grab the update package, flash it through flashfire, and even select the "ever root" option to maintain root. Works great!
Click to expand...
Click to collapse
How did you get the update package? When trying to search for an update on the phone it says I modified it.
Or did you load an full stock rom?
brotbuexe said:
How did you get the update package? When trying to search for an update on the phone it says I modified it.
Or did you load an full stock rom?
Click to expand...
Click to collapse
Grabbed a full stock rom, extracted the modem and system packages, and flashed them specifically through flashfire. A link to the full stock rom was posted on the Canadian S7 thread in the discussion forum.
have at it folks... grabbed from LG Bridge and updated from it as well... https://drive.google.com/open?id=0B6Wj13Rw1kw-QTViRFJRaVRHQnM
Was just about to post this haha so here is a mirror if anyone needs it.
https://mega.nz/#!9cRnCCzQ!3Z8bDQnwr6_3wa3kUjMfU005mjdHh8Jq0EgtgYQMflo (includes the dll file as well.)
Can I upgrade from rooted 10d with this? Or do I have to update to 10i first, then 10j? Also what settings to choose in LG bridge?
lightninbug said:
Can I upgrade from rooted 10d with this? Or do I have to update to 10i first, then 10j? Also what settings to choose in LG bridge?
Click to expand...
Click to collapse
If your using the image posted you can use LGUP, if your using LG Bridge it will download the image for you.
You need to be on a stock ROM I believe, I flashed the stock odexed rom. You can try it on a custom ROM though and see what happens.
If you want to use LGUP then you can download the above images.
shadowxaero said:
If your using the image posted you can use LGUP, if your using LG Bridge it will download the image for you.
You need to be on a stock ROM I believe, I flashed the stock odexed rom. You can try it on a custom ROM though and see what happens.
If you want to use LGUP then you can download the above images.
Click to expand...
Click to collapse
What about stock recovery? Is that needed? If so how do I flash that?
lightninbug said:
What about stock recovery? Is that needed? If so how do I flash that?
Click to expand...
Click to collapse
It just overwrote trwp when I updated.
my upgrade steps were as follows:
backup anything you might need from the internal memory - /sdcard
backup anything you might need with TiBackup (just in case)
boot into TWRP and make a backup of /data
update to 10j via LG Bridge or LGUP (you will be returned to stock after this)
boot up and follow @jcadduono's post on rooting H91810d with recowvery
his detailed guide will leave you in TWRP with a freshly formatted and unencrypted /data
restore backup of /data in TWRP
done. profit.
NOTE: crucial you backup your /data in TWRP prior to updating because after updating your /data partition will be encrypted and you will no longer have root. once your /data partition is encrypted TWRP won't be able to see it. I believe you can still root with an encrypted /data where you'll then be able to use TiBackup to backup your data, but this method would be a slow restore versus restoring via TWRP.
Here's another mirror for those interested. All three files are in a ZIP since Android File Host doesn't play well with uploading KDZ files.
https://www.androidfilehost.com/?fid=385035244224414000
Can anyone extract the ing files and make them flashable so we can update through twrp? My hard drive went out last week so I can't update and keep root without doing it through twrp.
Swizzle82 said:
Can anyone extract the ing files and make them flashable so we can update through twrp? My hard drive went out last week so I can't update and keep root without doing it through twrp.
Click to expand...
Click to collapse
any idea how to make img files flashable?
dimm0k said:
any idea how to make img files flashable?
Click to expand...
Click to collapse
You just need to build the file tree and make a script to tell them where to go, I believe.
Or we could at the least flash a 10j based rom and then install the system img over it. Just need the extracted imgs from the kdz that way.
Um so after updating no more TWRP and still can root bit confused here?
shadow322 said:
Um so after updating no more TWRP and still can root bit confused here?
Click to expand...
Click to collapse
updating and rebooting will revert you back to stock... you'll need to redo the steps for recowvery to install TWRP and root again... you'll also need to backup your device as you'll need to wipe /data to unencrypt
dimm0k said:
updating and rebooting will revert you back to stock... you'll need to redo the steps for recowvery to install TWRP and root again... you'll also need to backup your device as you'll need to wipe /data to unencrypt
Click to expand...
Click to collapse
Can I just take the OTA to 10j and wont cause any bootloops? then just re-root?
Is this 10j rootable as 10i? Someone did it?
Has anyone got H91810j rooted? Yes? Link me to a source with walkthrough.
SW: H91810j
build: NRD90M
Kernel; 3.18.31
amdroid securitu patch 12.1.16
security software version MDF v.20 rls 4
Yes its possible to root the 10J patch. You need to do the commands manually.
I've ran the commands manually and I get confused about the .xml copy being put into local_manifests. I made the directory in my C: drive but Its a windows not linux computer I have access to. Does that matter?
So I get to the manual inputting part, right... And prompt says can not find file
at the first manual input of dirty cows command prompt
--------------------------------------
Has anyone got H91810j rooted? Yes? Link me to a source with walkthrough.
SW: H91810j
build: NRD90M
Kernel; 3.18.31
amdroid securitu patch 12.1.16
security software version MDF v.20 rls 4
Bootloader unlocked
unrooted
Sent from my LG-H918 using XDA Labs
Just wanted to thank you, because you're a lifesaver. I bricked my phone (unfixable TWRP loop), and I tried downloading the KDZ several times from LG-firmwares, but it was extremely slow and always ended up failing. Then I found your Drive link, and approximately 9 hours after bricking the damn thing, I was finally able to fix it. Learned my lesson, too. I'll never again mess around with a new phone BEFORE acquiring any and all recovery tools, especially from a new manufacturer (I'm used to HTC).
NickWhit1992 said:
Just wanted to thank you, because you're a lifesaver. I bricked my phone (unfixable TWRP loop), and I tried downloading the KDZ several times from LG-firmwares, but it was extremely slow and always ended up failing. Then I found your Drive link, and approximately 9 hours after bricking the damn thing, I was finally able to fix it. Learned my lesson, too. I'll never again mess around with a new phone BEFORE acquiring any and all recovery tools, especially from a new manufacturer (I'm used to HTC).
Click to expand...
Click to collapse
Hi guys, in need of your help. I was originally on H91810D rooted and decided to try and install the OTA update not knowing that I would get stuck in a TWRP loop. I've downloaded H91810j KDZ file along with both LGUP and LG Bridge to try and flash the KDZ onto my phone, but neither UP or Bridge detects my phone connected to the PC, but Windows 10 detects that my phone is connected. I'm stuck sitting in TWRP and no matter what I try, it won't work. Any suggestions on what I can do to get through this? Any help is appreciated. Thank you!
I have successfully unlocked the bootloader my H83010i version.
I started down the path to root my device using H83010d tot file but stopped because I didn't know if when I upgrade to android 7.0 versions if I would lose root?
Therefore what is the easiest way to get to H83020f rooted?
How do I go from H83010i to H83020f and be rooted?
I have rooted a lot of samsung galaxy phones but this is my first LG so I am struggling a bit to understand how to upgrade. I assume if I do an OTA update it will install the latest version? I checked for system updates and it just said there is an update and to start downloading it but I don't know which update version that is?
Please advise.
Thanks in advance.
buyslake said:
I have successfully unlocked the bootloader my H83010i version.
I started down the path to root my device using H83010d tot file but stopped because I didn't know if when I upgrade to android 7.0 versions if I would lose root?
Therefore what is the easiest way to get to H83020f rooted?
How do I go from H83010i to H83020f and be rooted?
I have rooted a lot of samsung galaxy phones but this is my first LG so I am struggling a bit to understand how to upgrade. I assume if I do an OTA update it will install the latest version? I checked for system updates and it just said there is an update and to start downloading it but I don't know which update version that is?
Please advise.
Thanks in advance.
Click to expand...
Click to collapse
First of all, no need to use 10D tot file anymore. Download and install 20A kdz front autoprime located here:
https://forum.xda-developers.com/tmobile-lg-g5/development/stock-h830-20a-rom-flashable-zips-imgs-t3511294
Once that's installed, set up your system and then follow the following guide to get TWRP an root:
https://forum.xda-developers.com/tmobile-lg-g5/development/root-h830-running-30a-nougat-t3524322
After you have TWRP and root download the flashable 20F zip and install from TWRP (make sure to delete recovery from boot.p file after installing and also flash root). Here's the link to 20F:
https://forum.xda-developers.com/tmobile-lg-g5/development/stock-h830-20f-rom-flashable-zips-imgs-t3592855
If you follow all of that, you will be on stock 20F, rooted and with TWRP. After that, I recommend checking out the following custom kernel and installing that and using magisk instead of SuperSU. Kernel located here:
https://forum.xda-developers.com/tmobile-lg-g5/development/jan-17-2017-20c-deodexed-kernels-t3539611
Hopefully that helps, if you need more help just ask.
Thanks so much for taking the time to write me this great information. I have a question about the (make sure to delete recovery from boot.p file after installing and also flash root). ???????? Is this explained clearly somewhere? I don't know what I should do.
buyslake said:
Thanks so much for taking the time to write me this great information. I have a question about the (make sure to delete recovery from boot.p file after installing and also flash root). ???????? Is this explained clearly somewhere? I don't know what I should do.
Click to expand...
Click to collapse
After flashing the 20F version from TWRP, it creates a recovery from boot.p file in the system directory. If you don't delete this file before rebooting, you will lose TWRP. So, after doing the recowvery method to get root and TWRP and then after you flash the 20F from TWRP, after it's done flashing go to main menu of TWRP, click on mount, check system, go back to main menu, click advanced, click file manager and go-to system directory and click on the recovery from boot.p file and then delete. Now you can reboot without losing TWRP. Then you can flash SuperSU or magisk for root
Your Device software cannot be checked for corruption. Lock the bootloader
Thanks for the fast responses. After many hours of studying the posts and I finally got my LG G5 running on H830_20F_DeOdexed rom withh Asgard version 4.5 kernal and rooted with SuperSU v2.74.
However I keep getting the "your device software cannot be checked for corruption. lock the bootloader message upon starting up. see attachment
Does everyone get that message? Or is there a way to remove it?
I thought the Asgard kernal said it got rid of that?
buyslake said:
Thanks for the fast responses. After many hours of studying the posts and I finally got my LG G5 running on H830_20F_DeOdexed rom withh Asgard version 4.5 kernal and rooted with SuperSU v2.74.
However I keep getting the "your device software cannot be checked for corruption. lock the bootloader message upon starting up. see attachment
Does everyone get that message? Or is there a way to remove it?
I thought the Asgard kernal said it got rid of that?
Click to expand...
Click to collapse
You'll always have that message, no current way around it. Asgard kennel will allow you to pass safety net if you use magisk instead of SuperSU for root as it hides that the bootloader is unlocked from the system.
Where is Magisk?
jeffsga88 said:
You'll always have that message, no current way around it. Asgard kennel will allow you to pass safety net if you use magisk instead of SuperSU for root as it hides that the bootloader is unlocked from the system.
Click to expand...
Click to collapse
Are you saying that boot up message will not be there if I switch to Magisk?
I tried to find magisk but I was unable to locate the install file and instructions on how to change from SuperSU to magisk. Do you know the link to it?
buyslake said:
Are you saying that boot up message will not be there if I switch to Magisk?
I tried to find magisk but I was unable to locate the install file and instructions on how to change from SuperSU to magisk. Do you know the link to it?
Click to expand...
Click to collapse
No. I said currently there is no way to get rid of that message unless you lock the bootloader and you can't do that after modifying the system (i.e. installing TWRP and root). I said magisk will allow you to pass safety net. All that does is allow you to use apps that won't work with root / unlocked bootloader. If you don't use apps like Android pay or other apps that don't work when rooted, it really isn't necessary to switch from SuperSU to magisk. Anyways, if you're interested in magisk use Google (or XDA search) and search magisk XDA.
Currently have an Rooted S8 which runs TWRP.. whats the best method for unrooting the device as I want OTA updates?
minalm said:
Currently have an Rooted S8 which runs TWRP.. whats the best method for unrooting the device as I want OTA updates?
Click to expand...
Click to collapse
It depends on whether you're using SuperSU or Magisk.
To unroot if you have SuperSU, open SuperSU app, then open its app settings, find the setting that says something like "cleanup for unroot and uninstall". That will remove the su binaries and uninstall the SuperSU app.
To unroot if you have Magisk, use the Magisk uninstaller.zip(might cause bootloop which then requires flashing stock firmware via Odin)
Or you can just flash the stock firmware via Odin to remove root. You're going to have to get rid of TWRP also which would require you to flash a copy of stock recovery to replace TWRP. Flashing stock firmware via Odin will replace TWRP and remove root all in one shot, no need for extra steps or tricks.
Then you can do the OTA update.
OR
An even better option is as follows.
The OTA update might even be available to the public to download, if so, you can download the update manually(not via OTA) then flash the update via Odin, this will replace TWRP, remove root and update the device all in one shot. This way, you won't have to do anything except flash the update and you're done. No need to replace TWRP and unroot before doing the OTA update. This method skips all of that and gets you the update without having to do all the extra work. You'll have to root the device again and flash TWRP after the update has been applied.
If you choose to do the OTA instead, make sure you are completely unrooted and are back on stock recovery, you can't have root or TWRP when you do the OTA, it will not work that way.
I DO NOT PROVIDE HELP IN PM, KEEP IT IN THE THREADS WHERE EVERYONE CAN SHARE
Droidriven said:
It depends on whether you're using SuperSU or Magisk.
To unroot if you have SuperSU, open SuperSU app, then open its app settings, find the setting that says something like "cleanup for unroot and uninstall". That will remove the su binaries and uninstall the SuperSU app.
To unroot if you have Magisk, use the Magisk uninstaller.zip(might cause bootloop which then requires flashing stock firmware via Odin)
Or you can just flash the stock firmware via Odin to remove root. You're going to have to get rid of TWRP also which would require you to flash a copy of stock recovery to replace TWRP. Flashing stock firmware via Odin will replace TWRP and remove root all in one shot, no need for extra steps or tricks.
Then you can do the OTA update.
OR
An even better option is as follows.
The OTA update might even be available to the public to download, if so, you can download the update manually(not via OTA) then flash the update via Odin, this will replace TWRP, remove root and update the device all in one shot. This way, you won't have to do anything except flash the update and you're done. No need to replace TWRP and unroot before doing the OTA update. This method skips all of that and gets you the update without having to do all the extra work. You'll have to root the device again and flash TWRP after the update has been applied.
If you choose to do the OTA instead, make sure you are completely unrooted and are back on stock recovery, you can't have root or TWRP when you do the OTA, it will not work that way.
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you have given a very detailed explanation and i fell like a simple thank you would be enough. you helped me out now and i feel somewhat obliged to thank you this way.
cheers
Is the things still the same... namely unrooting will not return KNOX and can not use Samsung warranty?
hi
i have a rotted phone s8..i flashed a stock rom, but phone is still rooted. Some apps like us google pay,mcdonalds tell me that phone is rooted..What i can do?