Knox & Root Questions - Galaxy S6 Q&A, Help & Troubleshooting

I have 2 major questions the first is that i am trying to downgrade to 5.0.2 and use ping pong root, Is this possible? I have a ATT 5.1.1 with a baseband version of G920AUCU3BOJ7. If I do this then how should I go about it?
My second questions is if I do this and it trips knox, will I get any penalties other then having no warranty. For example would I have a quicker battery drain even if i froze the SecurityLogAgent too prevent the security popups?

gwdavie said:
I have 2 major questions the first is that i am trying to downgrade to 5.0.2 and use ping pong root, Is this possible? I have a ATT 5.1.1 with a baseband version of G920AUCU3BOJ7. If I do this then how should I go about it?
My second questions is if I do this and it trips knox, will I get any penalties other then having no warranty. For example would I have a quicker battery drain even if i froze the SecurityLogAgent too prevent the security popups?
Click to expand...
Click to collapse
Hello
You cannot downgrade to 5.0.2 your firmware is too recent.
The only disadvantage of tripping knox is warranty and Samsung PAY.
Jay

Thanks, I saw something that said they switched a file out or something and it worked but I can't find the page right now. There 2 people working on it started with W and D but don't remember their full names. It was on XDA

Related

[Completed] [Q] Tmobile Galaxy S5 root without triggering knox, warranty, lollipop questions

Going to cut it as short as I can, and I'll probably sound like a noob and annoying at the same time. Can I root my Galaxy S5 T-Mobile 4.4.2 G900TUVU1CNK2 without triggering knox? I don't want to touch anything (no rom or loader or anything) - I just want it to be rooted so I have some access.
If that can't be done, can I root and yet still send back to T-Mobile as a warranty replacement without them charging me?
If I were to root, can I still use the OTA upgrade from Lollipop once it comes out or does it have to be done a different way?
davkarimz said:
Going to cut it as short as I can, and I'll probably sound like a noob and annoying at the same time. Can I root my Galaxy S5 T-Mobile 4.4.2 G900TUVU1CNK2 without triggering knox? I don't want to touch anything (no rom or loader or anything) - I just want it to be rooted so I have some access.
If that can't be done, can I root and yet still send back to T-Mobile as a warranty replacement without them charging me?
If I were to root, can I still use the OTA upgrade from Lollipop once it comes out or does it have to be done a different way?
Click to expand...
Click to collapse
Hello
You can post your questions in the T-Mobile Galaxy S5 Q&A subforum. Since it's your device subforum, users with more device specific knowledge will be able to answer your queries. \
Cheers,
Quasar.

Downgrade from 5.1.1 to 5.0.2 - SMG920F

hy people.
its my first time on galaxy s6 here. for months i had the 5.0.2 firmware original, nothing changed, perfect. it was really fastest.
but when it comes out the 5.1.1 update, problems started. really bad battery life (i never had this problem), more lags un the transition animations, i can confirm this because for four moths i never had lag where now there are prominently.
so now i decide to come back to a rom/firmware with the 5.0.2 (0 problems in that firmware).
is there a possibility now?.
let me know, thanks. I'm on "G920FXXU2POFJ" (vodafone italy).
It's not possible to downgrade from 5.1.1
Nope. Not possible. Im getting a worse battery life than i had in 5.0.2 since now i don't root to greenefy a lot of apps. Still it is usable. When a root without tripping knox is available everything will be fine again.
tntgdh said:
Nope. Not possible. Im getting a worse battery life than i had in 5.0.2 since now i don't root to greenefy a lot of apps. Still it is usable. When a root without tripping knox is available everything will be fine again.
Click to expand...
Click to collapse
i hope so, thank you guys
tntgdh said:
When a root without tripping knox is available everything will be fine again.
Click to expand...
Click to collapse
There is a good chance that root without tripping KNOX may not ever happen again. Then people will have to choose if they still want root or not tripping KNOX.
krelvinaz said:
There is a good chance that root without tripping KNOX may not ever happen again. Then people will have to choose if they still want root or not tripping KNOX.
Click to expand...
Click to collapse
I thought about that. In that case i would choose root. I giving some time to see if anyone can do it first. If not i will root it anyway
guys. I'm thinking. since there is on way to downgrade now, I'm on the 5.1.1 vodafone brand, can i install a ITV 5.1.1 NO-BRAND?
Anyone knows which post should I follow in order to get updates about 5.1.1 rooting? I've flashed manually (stock 5.1.1 on G920I) and I really regret that I can't root and install Xtrestolite right now.

To Root or Not to Root

Hello Community!!
I have owned many androids over the years, and have recently got an S6, hoping to dive back into the game of rooting, modding and messing around until my phones works the way i want it to. There are MANY things that really Piss me off about my T-MObile variant of the S6, including the horrible battery life, bloatware, and lack of personality. I Really would love to root my device, but KNOX. OMG what is this?! If i Root, no Samsung pay? What other downsides are there to rooting? But recently, my phone installed "ANdroid Pay" SO I am thinking, I should just root, forget Samsung pay and just use Google pay or whatever they call it.
As you guys can tell from my sig, I have been very inactive on these forums. I am hoping someone can give me some advice here---
Thanks So much
EMilio
beforedenied said:
Hello Community!!
I have owned many androids over the years, and have recently got an S6, hoping to dive back into the game of rooting, modding and messing around until my phones works the way i want it to. There are MANY things that really Piss me off about my T-MObile variant of the S6, including the horrible battery life, bloatware, and lack of personality. I Really would love to root my device, but KNOX. OMG what is this?! If i Root, no Samsung pay? What other downsides are there to rooting? But recently, my phone installed "ANdroid Pay" SO I am thinking, I should just root, forget Samsung pay and just use Google pay or whatever they call it.
As you guys can tell from my sig, I have been very inactive on these forums. I am hoping someone can give me some advice here---
Thanks So much
EMilio
Click to expand...
Click to collapse
There are pros and cons to root.
The first pro is limitless customizations and personalizations.
The first con is OTA updates get disabled.
Another pro is you are able to dramatically improve battery and overall performance using various apps.
Another con is your warranty will be void, assuming you tripped KNOX.
If you trip KNOX, Samsung Pay no longer works; if you have root (even without touching KNOX) Android Pay does not work.
I obtained root just to prove to myself it could be done.
Since then there have been dramatic improvements with speed and battery life.
Package Disabler Pro can freeze a lot of the bloatware without root: https://play.google.com/store/apps/details?id=com.ospolice.packagedisablerpro&hl=en
Hi,
It's a highly personal decision. I myself for the first time am holding on rooting - I was the one who made the most famous Xoom rooting tool and also S4 Linux Root Script, so that tells a lot. The thing is, meanwhile my device is satisfying my needs, and I'm really curious about Samsung Pay, as it has a way wider support than Android Pay and other systems.
The best thing about rooting in my opinion was the endless system customization - specially after Xposed was released. The way better data management I had, better system control and some exclusive apps that require root or works better with root. If you are really pissed about Samsung TouchWiz apps and system "features", rooting would be a nice idea. Just keep in mind that after rooting Knox will be tripped and there's no turning back with Knox. Depending on your country, Knox trip also means warranty void, because once rooted you can unroot and make it looks like nothing happened.
Just adding what was already said, but Android Pay doesn't work with root.
All the best,
~Lord
Sent from my SM-G920I using Tapatalk
XxLordxX said:
Hi,
It's a highly personal decision. I myself for the first time am holding on rooting - I was the one who made the most famous Xoom rooting tool and also S4 Linux Root Script, so that tells a lot. The thing is, meanwhile my device is satisfying my needs, and I'm really curious about Samsung Pay, as it has a way wider support than Android Pay and other systems.
The best thing about rooting in my opinion was the endless system customization - specially after Xposed was released. The way better data management I had, better system control and some exclusive apps that require root or works better with root. If you are really pissed about Samsung TouchWiz apps and system "features", rooting would be a nice idea. Just keep in mind that after rooting Knox will be tripped and there's no turning back with Knox. Depending on your country, Knox trip also means warranty void, because once rooted you can unroot and make it looks like nothing happened.
Just adding what was already said, but Android Pay doesn't work with root.
All the best,
~Lord
Sent from my SM-G920I using Tapatalk
Click to expand...
Click to collapse
Rooting doesn't allways mean tripped knox. I have my G920F rooted and knox intact. This can be done even after updrade to 5.1.1 stok firmware.
An android phone for me is worthless without root permissions. I need it for:
adaway adds
iptables (firewall)
better battery life (debloat)
titanium backup
JuanRamiro said:
Rooting doesn't allways mean tripped knox. I have my G920F rooted and knox intact. This can be done even after updrade to 5.1.1 stok firmware.
Click to expand...
Click to collapse
I was only aware of root that can be applied before upgrade to 5.1.1.
Can you advise how you applied root after 5.1.1? Thanks.
Iceman_jkh said:
I was only aware of root that can be applied before upgrade to 5.1.1.
Can you advise how you applied root after 5.1.1? Thanks.
Click to expand...
Click to collapse
Just install de 5.0.2 engineering bootloader via ODIN. Then instal TRWP via ODIN.
After this two steps you can flash whatever you want via TRWP.
Edit: with the 5.0.2 bootloader you will loose fingerprint scanner, the rest works great, at least with the custom rom I am using.
JuanRamiro said:
Just install de 5.0.2 engineering bootloader via ODIN. Then instal TRWP via ODIN.
After this two steps you can flash whatever you want via TRWP.
Edit: with the 5.0.2 bootloader you will loose fingerprint scanner, the rest works great, at least with the custom rom I am using.
Click to expand...
Click to collapse
Keep in mind this engineering bootloader does not work with all variants. For example there is no Eng Bootloader for the Canadian phones.
Thank you both. I have the international SM-G920F (technically it's the dual Sim version, SM-G920FD, (from United Arab Emirates)).
So, to confirm, would the eng boot loader still work on my device variant, and allow root without tripping KNOX?
Sent from my SM-G920F using Tapatalk
Iceman_jkh said:
Thank you both. I have the international SM-G920F (technically it's the dual Sim version, SM-G920FD, (from United Arab Emirates)).
So, to confirm, would the eng boot loader still work on my device variant, and allow root without tripping KNOX?
Sent from my SM-G920F using Tapatalk
Click to expand...
Click to collapse
I have the single sim version of the G920F, so I don't know if it will work with the dual sim.
I don't think that it will strip you knox...
... and I think that if your phone doesn't work with this bootloader, you can just flash the correct one and make it work again.
But these are just guesses... you decide if you want to take the risk.
Good luck.
JuanRamiro said:
I have the single sim version of the G920F, so I don't know if it will work with the dual sim.
I don't think that it will strip you knox...
... and I think that if your phone doesn't work with this bootloader, you can just flash the correct one and make it work again.
But these are just guesses... you decide if you want to take the risk.
Good luck.
Click to expand...
Click to collapse
Thanks. I did some additional research, thanks to your advice about eng boot loader, and seems like it will work ☺
Sent from my SM-G920F using Tapatalk
JuanRamiro said:
I have the single sim version of the G920F, so I don't know if it will work with the dual sim.
I don't think that it will strip you knox...
... and I think that if your phone doesn't work with this bootloader, you can just flash the correct one and make it work again.
But these are just guesses... you decide if you want to take the risk.
Good luck.
Click to expand...
Click to collapse
Hi,
I wouldn't risk that "you can just flash the correct one and make it work again". If you know how a bootloader work, if it gets broken there is no way to get to Download Mode and flash a new firmware/bootloader.
For information sake, a bootloader is a piece of software that is the first thing loaded when you boot your device, it comes before anything, be it kernel, be it recovery or anything else, that means, if you have a broken bootloader, the moment you try to boot your device up, it will try loading BL and it will fail, so it will shut down back again. I've had a broken BL once before on S4, the only way to recover was a direct flash of software in system chip using a tool called JTAG.
So, all I can say to users who still didn't get it: beware with this. It seems that many people are getting successful results, but it's an extremely risk procedure, make sure you read every single instruction and follow it, the possibility of a hard brick is high.
Even still, it's a great find, thanks for sharing with me, I didn't know of this until early today .
All the best,
~Lord
I wonder whether Samsung pay will work again after reflash stock rom after root? Is it like knox, once rooted you will never have it no mater what you do including going back to pure stock?
XxLordxX said:
Depending on your country, Knox trip also means warranty void, because once rooted you can unroot and make it looks like nothing happened.
Click to expand...
Click to collapse
Did you mean, once rooted we can unroot and install the stock firmware and hence tripped Knox will be restored as well?
Or the unrooting will only help to restore the stock but the knox will continue to remain tripped. I would like to know this as I am considering purchasing S6. The last samsung phone I owned was S2 and used that for 3 full years with out any problems.
Thanks.
coolmalayalee said:
Did you mean, once rooted we can unroot and install the stock firmware and hence tripped Knox will be restored as well?
Or the unrooting will only help to restore the stock but the knox will continue to remain tripped. I would like to know this as I am considering purchasing S6. The last samsung phone I owned was S2 and used that for 3 full years with out any problems.
Thanks.
Click to expand...
Click to collapse
Once Knox is tripped its tripped but, yes you can flash original firmware and as long as you factory reset it, it will be unrooted and ready for official updates.
jetbruceli said:
Once Knox is tripped its tripped but, yes you can flash original firmware and as long as you factory reset it, it will be unrooted and ready for official updates.
Click to expand...
Click to collapse
Thanks. But can you be a bit more specific of if the unrooting, flashing stock, and factory resting will finally untrip the tripped Knox as well? My question in the event I need to take this back to a service center to claim warranty for whatever reason, is there any way for them to know that I have voided warranty if I unroot, flash back the stock and factory reset?
coolmalayalee said:
Thanks. But can you be a bit more specific of if the unrooting, flashing stock, and factory resting will finally untrip the tripped Knox as well? My question in the event I need to take this back to a service center to claim warranty for whatever reason, is there any way for them to know that I have voided warranty if I unroot, flash back the stock and factory reset?
Click to expand...
Click to collapse
Once tripped there is no going back. Voided warranty depends on laws of your country and your retailers policy.
coolmalayalee said:
Thanks. But can you be a bit more specific of if the unrooting, flashing stock, and factory resting will finally untrip the tripped Knox as well? My question in the event I need to take this back to a service center to claim warranty for whatever reason, is there any way for them to know that I have voided warranty if I unroot, flash back the stock and factory reset?
Click to expand...
Click to collapse
YOU CAN NOT UNTRIP KNOX, you can reflash your firmware from Sammobile, http://www.sammobile.com/firmwares/database/SM-G920F/
use odin and then after you flash, go into recovery or use system settings and conduct a factory reset. It will say Official in the status but, since they will reflash your rom anyways, they will see the knox trip.
It depends on where you purschased your device whether or not they will warranty it with Knox tripped.
Honestly, anyone who roots should understand this information before hand. You should always know how to return to stock unroot.
Jameslwoodward said:
I wonder whether Samsung pay will work again after reflash stock rom after root? Is it like knox, once rooted you will never have it no mater what you do including going back to pure stock?
Click to expand...
Click to collapse
After rooting my 5.1.1 without tripping Knox, with the 5.0.2 engineering bootloader (as as described a few posts ago) I have flashed a stok rom with odin and then everything went back as it was before the rooting procedure.
1. I was on stok oficial rom with oficial bootloader.
2. I lost root.
3. Knox was still intact: 0.
4. Fingerprint scanner and MyKnox worked again.
So: after upgrade to 5.1.1, rooting with the 5.0.2 engineering bootloader seems to be safe and also easy to bo back to stock... at least for my model (G920F)

Root VZN S6 before activation?

Hello all,
I just got 2 new S6 Edges on contract with VZN through BB. Before doing anything, I removed the SIM and fired them up to check the OS version. It shows 5.0.2 (AOE2). I see there is a VERY easy root for it (Ping Pong). They are now sitting in the box, ready for activation.
But I have some questions:
1) I read in a few places that the OTAs that replace 5.0.2 fixed some sort of bad bug / security issue, but it also prevents you from rooting it as well. Is that true?
2) What exactly was (were) the issue(s) and can I still root 5.0.2 AND then fix them outside of VZN OT (e.g., other downloads from Samsung directly)?
3) If I root at 5.0.2, is there a way to preserve it, then OTA up to a newer OS (did this on my S5)? Or am I stuck with 5.0.2 forever if I want to keep root?
4) If I root, can I still get Samsung Pay to work, or will that now fail?
5) I read Ping Pong does not trip Knox. Is that really true?
6) Lastly, if I root, is it still easy to unroot the S6 (remove a few files and reboot)?
Thanks for any help and suggestions. Just a FYI, I root to make minor tweaks, not to load custom ROMs.
Frank in Michigan

Help ATT S6 Rooted but still on 5.0.2 OE2

Not much activity on the AT&T sub forum so I'm here for help if possible.....
I rooted my AT&T S6 when I first got it 2 years ago and haven't messed with it since. Still running CleanRom 1.1-OE2 5.0.2 baseband AOE2 ......
I also have another ATT S6 thru work. It's all stock, no root unfortunately. It was recently updated to 7.0 and got the itch to update my personal S6 to a more modern version of Android but don't want to loose root.
Is it possible to update to a version of Android 6 or 7 and keep root since my phone is already rooted and running an old kernel etc.... ????
I guess I'm not really worried about voiding the warranty and/or tripping knox or whatever, since I've had the phone 2yrs I believe all factory warranty has expired right?
Remember it's been a while (almost 2yrs) since I've hacked on a phone so I'm a newb again lol!
Any help is appreciated.
There's no way to use 5.1.1,6.0.1 and 7.0 with root on SM-S920A
And you can't trip the knox counter on SM-G920A

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