Help - Rooted - Island Not working - Samsung Galaxy Tab S4 Questions & Answers

Hello,
Need some help. I was able to get TWRP on my new Tab S4 and root it with Magisk without issue. I was trying to install and get Island working so I could sandbox a few apps for privacy and I can't get it to work. A Knox notice keeps coming up "The work profile cannot be created because the OS was changed". Then I give Island root access, it appears to work, then a lovely Knox screen (The Knox work profile Icon) comes up saying an unauthorized application was installed and blocked, please contact your admin. So I spent the next 4 hours combing forums and Island's install doco to find a solution. I have tried everything, I used debloat to turn all the Knox stuff off but the needed work space. I even left work space running but just disabled the Knox models in it. I installed Island manually with ADB, and gave it God rights. That made things worse.... Now this nasty screen came up at boot and forced me to recover the OS because it couldn't be bypassed, if just prompted to factory reset the device. I have exhausted all my known options and am now requesting air support.
Thanks in advance,
One Very Frustrated Android Amature

DevinN said:
Hello,
Need some help. I was able to get TWRP on my new Tab S4 and root it with Magisk without issue. I was trying to install and get Island working so I could sandbox a few apps for privacy and I can't get it to work. A Knox notice keeps coming up "The work profile cannot be created because the OS was changed". Then I give Island root access, it appears to work, then a lovely Knox screen (The Knox work profile Icon) comes up saying an unauthorized application was installed and blocked, please contact your admin. So I spent the next 4 hours combing forums and Island's install doco to find a solution. I have tried everything, I used debloat to turn all the Knox stuff off but the needed work space. I even left work space running but just disabled the Knox models in it. I installed Island manually with ADB, and gave it God rights. That made things worse.... Now this nasty screen came up at boot and forced me to recover the OS because it couldn't be bypassed, if just prompted to factory reset the device. I have exhausted all my known options and am now requesting air support.
Thanks in advance,
One Very Frustrated Android Amature
Click to expand...
Click to collapse
Afaik once knox 0x1 is triggered there is no way to use Island since work profile cant be added. In fact i tried a lot of stuff to get it working on stock software with just recovery and root being installed, tried unrooting going back to original stock.. nothing worked.
OS has been changed probably refers to the knox counter.

Unfortunately Samsung locks Knox if you unlock your device. Afaik this is irreversible.
That is the reason I am still on stock.
Edit: Island should still work though. Haven't tried it though.

spookyspookster said:
Unfortunately Samsung locks Knox if you unlock your device. Afaik this is irreversible.
That is the reason I am still on stock.
Edit: Island should still work though. Haven't tried it though.
Click to expand...
Click to collapse
Is that an OS limitation? I have other rooted Samsung tablets, (older) running like 5.1 and 6.1 and they WORK. Island is able to create its OWN sandbox with root access on those. I feel like this is a security applet / process blocking this only, not a technical limitation. I was able to create the work profile with ADB outside of root access, I was able to assign Island with both Device Owner and Admin over the work profile and it was technically working. Some Knox security process that I didn't disable (most likely because it's a com.system that isn't listed in debloat) that is blocking it from displaying (I believe it is working) with a security overlay that I can't close. I need help finding that, and killing it with fire. I think it is beyond me technically. I am a network admin, not programer, though I speak some programming basic concepts via my network background. Just enough to get me in trouble and get to to here to ask for help.

dr460nf1r3 said:
Afaik once knox 0x1 is triggered there is no way to use Island since work profile cant be added. In fact i tried a lot of stuff to get it working on stock software with just recovery and root being installed, tried unrooting going back to original stock.. nothing worked.
OS has been changed probably refers to the knox counter.
Click to expand...
Click to collapse
Ok, after much OCD digging, I found the permissions and the Knox security file that was popping that up. I deleted the permissions with adb, killed those 2 processes within the workgroup files using root deleter app and now it works. Note, the whole drive is decrypted by default, I applied the decrypt patch when I rooted. So island was able to successfully provision a work profile and is admin over it.

DevinN said:
Ok, after much OCD digging, I found the permissions and the Knox security file that was popping that up. I deleted the permissions with adb, killed those 2 processes within the workgroup files using root deleter app and now it works. Note, the whole drive is decrypted by default, I applied the decrypt patch when I rooted. So island was able to successfully provision a work profile and is admin over it.
Click to expand...
Click to collapse
Hi,
Would you be able to provide a step by step guide ?
Thanks

DevinN said:
Ok, after much OCD digging, I found the permissions and the Knox security file that was popping that up. I deleted the permissions with adb, killed those 2 processes within the workgroup files using root deleter app and now it works. Note, the whole drive is decrypted by default, I applied the decrypt patch when I rooted. So island was able to successfully provision a work profile and is admin over it.
Click to expand...
Click to collapse
A guide please?!:good:

DevinN said:
Ok, after much OCD digging, I found the permissions and the Knox security file that was popping that up. I deleted the permissions with adb, killed those 2 processes within the workgroup files using root deleter app and now it works. Note, the whole drive is decrypted by default, I applied the decrypt patch when I rooted. So island was able to successfully provision a work profile and is admin over it.
Click to expand...
Click to collapse
Please provide your method, i think we are a lot in that situation : rooted and no work profile allowed by knox and tima. I even tried custom kernels announcing knox stuff disable and it's not workin either.
Thks.

Nvm

DevinN said:
Ok, after much OCD digging, I found the permissions and the Knox security file that was popping that up. I deleted the permissions with adb, killed those 2 processes within the workgroup files using root deleter app and now it works. Note, the whole drive is decrypted by default, I applied the decrypt patch when I rooted. So island was able to successfully provision a work profile and is admin over it.
Click to expand...
Click to collapse
Hi how you do this I need to do the same. Thanks

Seriously, he shared the news but didn't share how he did it??

Please provide details

Anybody has a solution on this topic or is this thread dead?

@DevinN, can you provide more info please? What files and apps did you delete?
Edit:
I found that package "com.samsung.android.knox.containeragent" causes the black block-screen, so i disabled it. (adb shell pm disable ...).
Island still refuses fo be installed automatically (security policy prevents creation of work profile because a custom os has been installed) or using root (cannot start the work profile user)
Code:
TZ_init: : TZ_init Process: Device tampered, tamper fuse is set!
TZ_init: : trustlet initialization failed

trogper said:
@hardkeyboard, can you provide more info please? What files and apps did you delete?
Edit:
I found that package "com.samsung.android.knox.containeragent" causes the black block-screen, so i disabled it. (adb shell pm disable ...).
Island still refuses fo be installed automatically (security policy prevents creation of work profile because a custom os has been installed) or using root (cannot start the work profile user)
Click to expand...
Click to collapse
I replied to DevinN, I wish I know when I write post, but now I don't need because use Nicelock with multistar with dr. Ketan rom with secure folder working

I suppose there is no update here or any idea what permissions and knox security file we are talking here ?

Related

[Q] dangers with rooting ouya

Hey,
So to a total newcomer to the whole rooting thing, i was wondering exactly what the dangers with rooting is? What does it open up to malware that wasnt there before?
When you jailbrake an i-device you for example hafto change the root password since its the same for all jailbroken devices after jailbrake.
Can someone break it down easy?
Many thanks!
soulman79 said:
Hey,
So to a total newcomer to the whole rooting thing, i was wondering exactly what the dangers with rooting is? What does it open up to malware that wasnt there before?
Click to expand...
Click to collapse
Well there's a danger you can accidentally delete something you shouldn't have. You do have access to the file system after all.
Malware threats are overblown on platforms outside of Windows. Android and iOS malware still needs you to purposely install an apk/ipa. If not, they're usually sent through SMS/MMS, which the Ouya is incapable of. <_<'
Pretty much the only ways you can get malware is if you sideload it or if it somehow sneaks into the stores.
There's one specific exploit... but that doesn't affect the Ouya because:
1. It's not Samsung.
2. It doesn't have GSM/3G/HSDPA.
When you jailbrake an i-device you for example hafto change the root password since its the same for all jailbroken devices after jailbrake.
Click to expand...
Click to collapse
No such restriction exists on Android. My Ouya account is still usable after rooting (and it coexists with my Google account).
thank you for taking the time to explain it!
Will root after morning coffe then =) If i do a system reset ( in the ouya menu´s ) will the root disappear? Or do i manually have to uninstall it if i want to make it factory original again?
soulman79 said:
thank you for taking the time to explain it!
Will root after morning coffe then =) If i do a system reset ( in the ouya menu´s ) will the root disappear? Or do i manually have to uninstall it if i want to make it factory original again?
Click to expand...
Click to collapse
Root disappears if you factory reset, or there's a system update. So be prepared to reroot if there's an update. Keep the one click app handy! http://forum.xda-developers.com/showthread.php?t=2387507
You should take a look at this topic: http://forum.xda-developers.com/showthread.php?t=2359390
I haven't had the opportunity to test the superuser preserve function yet (I updated before rooting), so just in case be prepared to reapply your root.
Ouya isn't Sony, I don't think they'll be blocking root access anytime soon.
Ultimate Chicken said:
Root disappears if you factory reset, or there's a system update. So be prepared to reroot if there's an update. Keep the one click app handy! http://forum.xda-developers.com/showthread.php?t=2387507
You should take a look at this topic: http://forum.xda-developers.com/showthread.php?t=2359390
I haven't had the opportunity to test the superuser preserve function yet (I updated before rooting), so just in case be prepared to reapply your root.
Ouya isn't Sony, I don't think they'll be blocking root access anytime soon.
Click to expand...
Click to collapse
Awsome! got it rooted and can FINALLY log in to youtube, the google tv youtube app is perfect!
Thanks for all your answers, really appreciate it!
so i did a factory reset just cause i got alot installed and wanted a fresh setup, but after the reset google store and some other app from google where still there, aren't they suppost to be wiped off with a factory reset? how do i get rid of them?
soulman79 said:
so i did a factory reset just cause i got alot installed and wanted a fresh setup, but after the reset google store and some other app from google where still there, aren't they suppost to be wiped off with a factory reset? how do i get rid of them?
Click to expand...
Click to collapse
Ah yes, the Play Store hack is what's known as a dirty hack. It leaves crumbs that persist through a factory reset. http://forum.xda-developers.com/showpost.php?p=44166123&postcount=158
PS: you'll need root access to delete those. After you get rid of the play store stuff you can factory reset again and it shouldn't be back.
i ran the root apk and it says rooted, tried to delete the files with es file explorer but it wont delete the files... i even stoppped the process in the settings menu... is there another way i gotta go about?
soulman79 said:
i ran the root apk and it says rooted, tried to delete the files with es file explorer but it wont delete the files... i even stoppped the process in the settings menu... is there another way i gotta go about?
Click to expand...
Click to collapse
E's file explorer should be able to do it, but I think you need to mount system/ as R/W because it doesn't do so automatically. http://androidcowboy.com/2013/06/how-to-uninstall-system-apps-with-es-file-explorer/
If the above doesn't work, you're missing the superuser app.
These days I just connect things to my computer via microusb and use adb shell to deal with the file system; I still need busybox for that.
puh, got it done.. missed the part that you gotta show root explorer on the left menu.. Holy sh*t im out of my league here =)
If i install the framework only will that leave bits and peaces to, or is it only playstore that does this? i saw that the framework had an uninstall / cleanup function in the app so im guessing that it takes care of itself?
If i disable root acces after installing the framwork will the framework still function or do it need to be rooted all the time?
Big thank you for the fast reply´s!
soulman79 said:
puh, got it done.. missed the part that you gotta show root explorer on the left menu.. Holy sh*t im out of my league here =)
If i install the framework only will that leave bits and peaces to, or is it only playstore that does this? i saw that the framework had an uninstall / cleanup function in the app so im guessing that it takes care of itself?
If i disable root acces after installing the framwork will the framework still function or do it need to be rooted all the time?
Big thank you for the fast reply´s!
Click to expand...
Click to collapse
The framework needs root access.
The playstore mod is the only one that leaves bits and pieces AFAIK... next time before you factory reset, run the cleanup tools and uninstall the mod first. (Sorry I didn't warn you before. I forgot. >.<)
ahh, will do =)
Finnaly got it setup up right! Thx for all the support man!

Stock Lollipoop rooted with SuperSU - but it keeps resetting everything I do

see #5 for problem
Hi guys,
so after quite some time with custom Roms I decided to go stock again as somehow I don't need root at all. Well, that's not true. I miss AdAway.
As there is no possibility to root the stock rom, is there ANY AdBlocker that works on Lollipop? AdBlock Plus doesn't (yet).
Why did you say there is no possibility to root the stock rom ?
I'm running Stock ROM, rooted and AdAway running fine.
ckpv5 said:
Why did you say there is no possibility to root the stock rom ?
I'm running Stock ROM, rooted and AdAway running fine.
Click to expand...
Click to collapse
How do you root the stock rom? I couldn't find out how.
Can I root without losing my data?
fBx said:
How do you root the stock rom? I couldn't find out how.
Can I root without losing my data?
Click to expand...
Click to collapse
Flash twrp recovery and root through the recovery. It'll ask you when you reboot the system if you want to root it
Sent from my HTC One_M8 using XDA Free mobile app
Huh. Didn't know it was THAT straightforward and I've been flashing my phones for years.
Well. I flashed TWRP and SuperSU 2.46, succeeded. But Adaway and Adfree don't work correctly. They block the ads but only until you reboot, then it's reverted, kinda like with a tethered jailbreak on iPhones.
What am I doing wrong here? Also the block is not like on KitKat - there it was really blocked, really removed, here only the images of the ads are removed but you still see the space they were supposed to be.
I also used a system app removal tool that also didn't work although it shows success. It just removes the installed data like updates.
When I delete apps manually via ES Explorer, they just reappear at the next reboot.
Root Checker says root is fine but it isn't supposed to behave like that and undo my changes.
What's wrong? Do I need another kernel maybe? As I said I went back to stock completely and updatet through to L.
I believe I got whats causing the issue.
After deleting a system app and rebooting, I got a message saying that the phone was restored from an "unnormal behaviour". Does Lollipop bring some kind of system restore point that just automatically restores itself when "weird" things like host file alteration happens? If yes, how do I get rid of that?
This phone has always had system files protected since KitKat. You need a kernel mod to delete system apps.
Don't know why the ad blockers aren't working. Adaway is working fine for me on stock US Dev Edition rooted. You said you are using Adaway and AdFree? Are you actually using both at the same time? maybe they are interfering with each other?
No I meant it happens with both. Only use adaway now. They work but after a reboot the adblock is gone and I need to apply it again. In fact, AdAway says it's deactivated and AdFree says it's already up to date but ads show anyway and I need to install the fix again to get rid of them.
Can you maybe point me to a kernel mod? Would want to get rid of some bloatware.
Maybe I should try installing xposed and see if it's gone after a reboot.
fBx said:
Can you maybe point me to a kernel mod? Would want to get rid of some bloatware.
Click to expand...
Click to collapse
The thread is here: http://forum.xda-developers.com/showthread.php?t=2701816
But unfortunately, flar2 hasn't had the time to update for LP. A user posted the kernel module in Post #210, but a subsequent user said it doesn't work. Custom ROMs have write protection disabled, as does Dev Edition stock ROM.
fBx said:
No I meant it happens with both. Only use adaway now. They work but after a reboot the adblock is gone and I need to apply it again. In fact, AdAway says it's deactivated and AdFree says it's already up to date but ads show anyway and I need to install the fix again to get rid of them.
Click to expand...
Click to collapse
Odd, as mentioned, I've used AdAway for quite some time now, and don't have these issues.
Yes, very odd indeed. Well, if I don't get it sorted out somehow I might as well switch to Viper or some other close to stock custom Rom again, or make it Dev like you.
Things are getting worse, in 1 of 2 cases AdAway spits an error at me when trying to apply the fixes and the phone just reboots and undos everything. It's like some protection from rooting or changing anything although I am rooted. I don't understand it. I can't possibly be the only one having problems with root on Stock Lollipop
This is really annoying me. I think I'm better of just installing a custom rom and setting the phone up again, will cost me an hour but at least I'm done with the bugs.
Yup, decided to jump the gun, wipe and install ViperOne and now everything works as I wanted it to. AdAway stays active and working.
fBx said:
Yup, decided to jump the gun, wipe and install ViperOne and now everything works as I wanted it to. AdAway stays active and working.
Click to expand...
Click to collapse
Interesting. I wonder if Adaway is dependent on the system write protection being disabled. I wouldn't normally suspect that, and only thinking of it since you mentioned the system write protection issue as well.
On the other hand, its the only difference I can think of between my phone and yours that would matter. I am on stock rooted Dev Edition, which apparently does not have the system write protection enabled by default.
redpoint73 said:
Interesting. I wonder if Adaway is dependent on the system write protection being disabled. I wouldn't normally suspect that, and only thinking of it since you mentioned the system write protection issue as well.
On the other hand, its the only difference I can think of between my phone and yours that would matter. I am on stock rooted Dev Edition, which apparently does not have the system write protection enabled by default.
Click to expand...
Click to collapse
I also assume that's the reason. I've never been on a stock rom since I don't know when, but figured that actually I only wanted AdAway which would normally not require a custom rom per se... but as it didn't really work in the end (and also other root-requiring stuff), I went back to custom again. Well, it's not that it's that difficult to wipe the phone occasionally and set up a clean custom rom to get it back to perfect performance. Gonna go with it.

Can't Get Rid Of Security Notice On Rooted Note 7 VZW

Having a constant "Security Notice" on phone since rooting. Everything else works fine. Is there anyway I can maybe deactivate this function?
freeze in titanium backup...
Y0sHii said:
Having a constant "Security Notice" on phone since rooting. Everything else works fine. Is there anyway I can maybe deactivate this function?
Click to expand...
Click to collapse
to get rid of the security notice you will get(because the system is now rooted) simply install root explorer(or any root browser) and go to /system/app and delete securitylogagent or go into the folder and rename it adding .bkp to the end of the file name and reboot.
per
http://forum.xda-developers.com/showpost.php?p=68675715&postcount=2
I began getting this, too, after rooting my Note7. I solved it the way others suggested, with Titanium Backup by freezing the Security Log Agent. That worked for me.
SkyPhone said:
I began getting this, too, after rooting my Note7. I solved it the way others suggested, with Titanium Backup by freezing the Security Log Agent. That worked for me.
Click to expand...
Click to collapse
do you still have knox? i use samsung pay and security folder
You used the sprint method root at the N930V PHE or PH1? Not really related to thread, but just out of curiosity.
Same problem....
I'm having this same problem with my rooted note 7.
I've searched everywhere for securityagent on my note 7 and it's not there. The only way I can remove this threat found/restart device, is to remove device maintenance.
But then I lose the app done function and the advanced setting power saving mode.
I have disabled all knox and security realated apps.
But still still get the threat while device maintenance is there.
Does anyone know what the equivalent to securitylogagent is on a note 7 ????
Any help would be much appreciated, I am a noob, until 3 days ago I knew nothing, but I managed to unlock frp and root my note 7, but its been stressfull. I need help now...thanks.
Kellya86 said:
I'm having this same problem with my rooted note 7.
I've searched everywhere for securityagent on my note 7 and it's not there. The only way I can remove this threat found/restart device, is to remove device maintenance.
But then I lose the app done function and the advanced setting power saving mode.
I have disabled all knox and security realated apps.
But still still get the threat while device maintenance is there.
Does anyone know what the equivalent to securitylogagent is on a note 7 ????
Any help would be much appreciated, I am a noob, until 3 days ago I knew nothing, but I managed to unlock frp and root my note 7, but its been stressfull. I need help now...thanks.
Click to expand...
Click to collapse
You should have a package named SecurityLogAgent. Disabling this will stop the security notifications due to rooting. If you're referring to the Samsung messages regarding the recall, then you need to disable the Samsung Push service or just the notifications.
8
I'm not referring to them notifications, I have disabled Samsung push.
There is no package with the name 'securitylogagent' on my note 7.
I have researched this alot before joining and posting here. Its simply not there, no matter what I use to look for it. Just not there..
I would really like device maintenance back.. that's how iv got it disabled at the moment.
I am referring to the 'that found/restart device" warning that flags up in device maintenance.
Kellya86 said:
I'm not referring to them notifications, I have disabled Samsung push.
There is no package with the name 'securitylogagent' on my note 7.
I have researched this alot before joining and posting here. Its simply not there, no matter what I use to look for it. Just not there..
I would really like device maintenance back.. that's how iv got it disabled at the moment.
I am referring to the 'that found/restart device" warning that flags up in device maintenance.
Click to expand...
Click to collapse
Strange, there should be a folder at system/app/SecurityLogAgent
What firmware version are you on? What have you used to look for it?
I'm on 6.0.1, that I rooted on Sunday after I accidentally updated package disabler. I am a complete noob and have managed to just about get to this point without help.
I have looked for it using titanium backup, root browser and device control. It doesn't show on any...
So I have disabled a load of other things including device maintenance, com.samsung.andoid.sm.devicesecurity, and security manager service...
I was hoping one of these was the equivalent of securitylogagent.
Does this information below help?
Kellya86 said:
I'm on 6.0.1, that I rooted on Sunday after I accidentally updated package disabler. I am a complete noob and have managed to just about get to this point without help.
I have looked for it using titanium backup, root browser and device control. It doesn't show on any...
So I have disabled a load of other things including device maintenance, com.samsung.andoid.sm.devicesecurity, and security manager service...
I was hoping one of these was the equivalent of securitylogagent.
Does this information below help?
Click to expand...
Click to collapse
So by the build number I see that you are not on a Verizon firmware so the app names may be different. It appears you have UK firmware so you will have to find what the app name is for that firmware.
What I can suggest is that the next time you get the notification, long press on the icon at the left. You should be taken to the notification options for that app and you should also see an app info button on the right. you may be able to track the actual app down using this info or at least disable notifications.
Thanks for your reply.
Oh crap, I'll never find it then...
Is there a way I could post an image of my system so as some experienced members on here may look at it.??
Thanks again.

(SM-N9300) Iris Scanner broken after flashing TWRP and rooting.

Hi everyone,
Let me explain, I used odin to flash the recovery, because of the encryption or whatsoever I wasn't able to transfer via MTP using TWRP in order to get super Su on the phone to root and boot because of the dm-verity thing.
So I wipe data and then I could transfer super Su, get the phone rooted, and boot it up.
Of course Knox was tripped, so i can't access private folder nor S health, but I can live without it. (Ok, if someone know how to make S health work again I take it )
After all of that I tried to setup the Iris scanner again and it scan my eyes, says everything is okay, and goes back to the menu where it is written "add your iris".
No matter how many times I try it seems that it doesn't save my iris properly, or don't save it at all.
Do someone knows something about it ? for those that are rooted do you experience the same issue ?
Thanks in advance
PS : I rooted following this tutorial : http://forum.xda-developers.com/note-7/development/recovery-official-twrp-galaxy-note-7-t3458413
Hello.
I did root my sm-n9300 following the tutorial.
Only SHealth didn't work.
To put it working again is easy:
Go to playstore, and downgrade the SHealth. Never allow to upgrade it again.
About the iris scanner, I had my iris saved before rooting, and didn't have to scanner it again.
The private folder works fine.
You didn't follow exactly the tutorial.
After flashing the recovery, you can tranfer su via MTP, using the sdcard, and then flash it.
Maybe if you flash the official firmware via Kies, and do the process of rooting again, you will have the iris and private folder working.
Hoppe this will help.
Hi, thanks for the answer!
In fact I wasn't able to transfer SU via mtp, for some reason twrp wasn't able to mount anything, so I had to format data, in order to "break" the encryption.
Maybe I'll try to flash the firmware with Kies and do it all over again.
But I don't get how secure folder can be working for you if knox is tripped...
Hello.
Indeed you are right.
The private folder don't work.
i thought it did, because everytime I was seeing photos, I got an information to put them in that folder, if I wished
But never did. Now I tried, and got a message saying the Knox couldn't create it.
My mistake
Sorry. But the iris do work, indeed
I really don't have any clue about how to fix the iris scanner
Trying to use a secure feature where one side of security has been compromised, i.e the ability of any app to have root privileges. I think there is a reason for the Iris scanner to not be working... Admittedly I used to enable root I every phone as I do normally tinker at system level, but, more and more apps are doing what normally root was needed for these days, the need to root is really low now. With my corporate policy basically blocking any knox tripped device, I have kind of learnt to get by without root and luckily that is now paying off with some convenience features that you can only really use in a secure environ safely like Android pay, fingerprint and iris unlock etc. Now my phone is effectively a wallet, I really want those secure features maintained so something more sinister is somewhat blocked from making its way into there.
Sent from my SM-N930F using Tapatalk
I see your point, the fact is when trying to set up the iris scanner there is no message about compromised security like when trying to open the secure folder.
In fact it works, it just seems to not be able to save it properly.
My phone is also a wallet in China since wechat pay and alipay can be use even on rooted phone, and it also can be use everywhere. ( no need of special terminal or whatever special technology, just a bar code scanner)
Thanks for your answer, I think k I'll try a factory reset tomorrow and let you know
I remember when setting up either finger print scanner or iris, the phone brought up a message about knox environment being activated, so I think you will be out of luck.
Be careful with rooted phone in China, I connected my rooted phone to my Chinese wife's laptop, and it installed an app with root privileges unattended!! I was not impressed with that I can tell you.
Sent from my SM-N930F using Tapatalk
it is bcoz u have disabled encryption in twrp .... if u want to use iris dnt clear encryption in twrp ....
sun2sunny said:
it is bcoz u have disabled encryption in twrp .... if u want to use iris dnt clear encryption in twrp ....
Click to expand...
Click to collapse
OK!
But how can I enable the encryption then?
I can't mount anything in twrp tough....
That is what I m searching next a days
Sent from my SM-N9300 using XDA Free mobile app
sun2sunny said:
That is what I m searching next a days
Click to expand...
Click to collapse
I guess the only way is to use a custom kernel, it will disabled knox and s health last version and iris scanner will work again
SylverSun said:
I guess the only way is to use a custom kernel, it will disabled knox and s health last version and iris scanner will work again
Click to expand...
Click to collapse
Where can we find it another question
sun2sunny said:
Where can we find it another question
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Yes, maybe on some Chinese forum
Searched already

Need Help - Samsung Galaxy Tab S2 SM-T817V Knox

I have this tablet which is being restricted to use due to Knox. It appears to be for some vendor. It takes over the device even though it's not connected to the internet and doesn't allow me to do anything with it. I have read all the threads I can find and tried every possible option through Odin to install new firmware.
I understand this model is a giant pain due to Verizon and I may not be able to root this for customization. But is there not a way to get a factory clean firmware on here that doesn't have this Knox vendor customization? If not, is this good for anything or just throw it in the trash?
popguru said:
I have this tablet which is being restricted to use due to Knox. It appears to be for some vendor. It takes over the device even though it's not connected to the internet and doesn't allow me to do anything with it. I have read all the threads I can find and tried every possible option through Odin to install new firmware.
I understand this model is a giant pain due to Verizon and I may not be able to root this for customization. But is there not a way to get a factory clean firmware on here that doesn't have this Knox vendor customization? If not, is this good for anything or just throw it in the trash?
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Same issue but I added another user and it works fine because knox isn't running device admin. Owner doesn't work and either does usb debugging. I'm thinking of calling know for remote support.
I beat frp on this same tablet before
popguru said:
I have this tablet which is being restricted to use due to Knox. It appears to be for some vendor. It takes over the device even though it's not connected to the internet and doesn't allow me to do anything with it. I have read all the threads I can find and tried every possible option through Odin to install new firmware.
I understand this model is a giant pain due to Verizon and I may not be able to root this for customization. But is there not a way to get a factory clean firmware on here that doesn't have this Knox vendor customization? If not, is this good for anything or just throw it in the trash?
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Can u create a geust user account ? If so activate this accou t log into that account download the apk and run the very popular one click root app that i wont say but kinda rhymes with bingo shoot any ways run the apk (it wont root your device) and instal it the run the root app itll get to 99% and then quit but the entire device will be like outta the box new as far as the os goes you wont have frp lock or anything
Sorry for the run on sentence and idk how old this thread is but anyway and shout ouf to whoesever red car is with lisence plate xda guy in canada just not the country
Grimlinkush said:
Can u create a geust user account ? If so activate this accou t log into that account download the apk and run the very popular one click root app that i wont say but kinda rhymes with bingo shoot any ways run the apk (it wont root your device) and instal it the run the root app itll get to 99% and then quit but the entire device will be like outta the box new as far as the os goes you wont have frp lock or anything
Sorry for the run on sentence and idk how old this thread is but anyway and shout ouf to whoesever red car is with lisence plate xda guy in canada just not the country
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Thank you for the response. This is still very much an active question for me.
I'm able to create the user account, install and start the install for the mentioned apk. However, it stops at 90%, and I get this error "Root Failed" Error Code 0x166508. It recommends I use the PC version, but USB Debugging is disabled in main account and I can't even access Developer tools for this new account.
Additionally, I'm unable to use the Home button. I get the following message "Security policy prevents use of Home key"
Seems like no matter what is suggested, there is something new that is blocking this from being used.

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