Database Develop

[Q] Can I safely flash any older 4.3 stock FW over XXUEML9?

Hello,
I'd like to ask if I can safely downgrade my current XXUEML9 ROM to some older releases of 4.3 s3 i9305 official Samsung ROMs.
Why do that? I've read some reports that first releases of 4.3 ROMs for i9305 could be rooted with kingo without tripping knox flag and the XXUEML9 release has been reported to be tripping the flag (some new samsung's security measures introduced meanwhile), so I think it could be worth trying but better safe than sorry - I know I can't downgrade to 4.1.2 or whatever under 4.3 but what about new 4.3 to "older" 4.3? Just wondering if there aren't safety patches in the bootloader itself that prevent users from downgrading to anything lower than current FW
Thanks for your help.

you can do it safely...i would recommend doing a factory reset after it...just to be sure it won't mess with kingoapp...i did it without problems(i tripped knox way before doing this)

spiderman07 said:
you can do it safely...i would recommend doing a factory reset after it...just to be sure it won't mess with kingoapp...i did it without problems(i tripped knox way before doing this)
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thanks for the info,
I plan to do it that way:
1. enter factory recovery -> factory wipe
2. odin -> flash oldest 4.3 i9305 stock image
3. if bootloops -> repeat step 1.
4. kingo root -> let's see if knox stays 0x0, ofc I'll let you know in the thread here
5. whatever ROM, but keeping stock kernel and stock recovery (otherwise all the steps above pointless)

Kingo trips knox

Raistlin1158 said:
Kingo trips knox
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Click to collapse
I doubt it. Kingo either roots the phone or fail, and then gives you option of installing custom recovery which trips Knox flag.
---------- Post added at 10:41 PM ---------- Previous post was at 10:30 PM ----------
Which firmware is the oldest 4.3?

I used it and it did...

shayind4 said:
[/COLOR]Which firmware is the oldest 4.3?
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Click to collapse
seems that XXUEMKC is the oldest 4.3 - it has the release date 28.11.2013
well, looks like a lottery with kingo root; but as far as I read in some forums some were successful with rooting that way and keeping the flag 0x0 with older FWs and everybody reporting using kingo on latest FWs says it had tripped KNOX
and, to be clear - as of now, there aren't any other ways to root i9305/4.3 than:
a) kingo (knox lottery)
b) CF-Root (trips knox)
..
..
z) waiting for miracle and some new rooting methods?

adamuadamu said:
seems that XXUEMKC is the oldest 4.3 - it has the release date 28.11.2013
well, looks like a lottery with kingo root; but as far as I read in some forums some were successful with rooting that way and keeping the flag 0x0 with older FWs and everybody reporting using kingo on latest FWs says it had tripped KNOX
and, to be clear - as of now, there aren't any other ways to root i9305/4.3 than:
a) kingo (knox lottery)
b) CF-Root (trips knox)
..
..
z) waiting for miracle and some new rooting methods?
Click to expand...
Click to collapse
I think you are right. I have MKC firmware but not able to root with Kingo. It always failed and asked if i wanted to install custom recovery with root which will trip Knox flag, and i always clicked 'NO' button. My knox flag remains 0x0 but phone not rooted.

so, all the things I planned turn out to be pointless
the ***MKC PDA FW is the oldest one of 4.3 for i9305
you've got no root on MKC via kingo, and I got some information from a Polish forum, that kingo did the root on MKC but tripped the flag anyway (I can only assume it tries to get the root through some dirty tricks via cable and if it fails that way, it offers to flash custom recovery in order to flash apk and su binary to the system).
so, for the time being CF-Root seems the only reasonable option to root - you'll trip knox either way, but without sending all your sensitive data to china and back.

What root method should I use??

Hello everyone. I have a question in regards to rooting my S6. My s6 has version 5.0.2 and the OCG baseband. Should I upgrade to 5.1.1 before I root? I would like to root without tripping the Knox counter. Also, if I were to root without tripping knox, would I have to use this method every time I flash a new rom? Any help would be greatly appreciated.

just update to 5.1.1 and flash unibase kernel, why do you care about knox? it doesnt really matter if you trip it you still have insurance through your carrier, seriously knox is really only there for companies who provide phones to their employees and dont want them to mess with them.

OsSkates1996 said:
just update to 5.1.1 and flash unibase kernel, why do you care about knox? it doesnt really matter if you trip it you still have insurance through your carrier, seriously knox is really only there for companies who provide phones to their employees and dont want them to mess with them.
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I can understand that, but I would like to keep from tripping my knox counter. Anyways, I just rooted via PingPong successfully. How do I keep from triggering knox now that I am rooted? Can I flash TWRP or any other kind or recovery?? Thanks.

no, if you want to keep from tripping your knox counter you cant really do anyhting. flashing any kind of custom recovery or rom or kernel will trip it, all you can really do is just stay rooted and thats about it

OsSkates1996 said:
no, if you want to keep from tripping your knox counter you cant really do anyhting. flashing any kind of custom recovery or rom or kernel will trip it, all you can really do is just stay rooted and thats about it
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Got ya. Guess I'm tripping knox then. Thanks for your help.

Ping-pong requires no computer, right? And also , is it confirmed working with this tmobile S6? I am on the latest update and have been stalling on root due to having no PC.
Sent from my SM-G920T using XDA Free mobile app

carnivalrejectq said:
Ping-pong requires no computer, right? And also , is it confirmed working with this tmobile S6? I am on the latest update and have been stalling on root due to having no PC.
Sent from my SM-G920T using XDA Free mobile app
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Click to collapse
Ping pong does not require a pc. As of the other question I have no answer.

I am on of6. Oem unlocking is on and odin will not flash. I use the directions to the T but it stays on nand write start

Rooting Questions

Hi Experts,
I am plannign on rooting my SM-G925T butu I have a couple of questions before I continue, I have an out of the box version and not updated yet as far as I know, it is currently on 5.0.2. I see a guide to Root but it is for 5.11.
- Is it better to update my phone first before rooting as the guide I saw for rooting without tripping knox is for 5.11.
Thats all my question for today, I may think of something else later though.
Thanks

You can root 5.1.1 without tripping Knox, but that means your fingerprint scanner will be rendered useless.
Personally, I stayed on 5.0.2, rooted with PingPongRoot and flashed a debloated ROM using FlashFire — all with Knox still intact.

If you want to root without tripping knox and have functioning fingerprint reader, stay on 5.0.2 and root using ping pong as stated by above poster
Sent from my SM-G920T using Tapatalk

Thank you both for your response, I would stay with 5.0.2 then.

OK guys I have a question that I am not sure is the right thread but I need to SIM unlock my phone. The only ways currently out needs the phone to be rooted. I have a question of a plan I have and wondering if you guys would know if it works?
I plan to do what you said above and root 5.0.2
Get the phone unlocked.
Then flash the stock rom and get rid of root.
And then upgrade to 5.1.1.
Do you guys happen to know if this will work without messing with my fingerprint reader? Thanks!

SupacatSF said:
OK guys I have a question that I am not sure is the right thread but I need to SIM unlock my phone. The only ways currently out needs the phone to be rooted. I have a question of a plan I have and wondering if you guys would know if it works?
I plan to do what you said above and root 5.0.2
Get the phone unlocked.
Then flash the stock rom and get rid of root.
And then upgrade to 5.1.1.
Do you guys happen to know if this will work without messing with my fingerprint reader? Thanks!
Click to expand...
Click to collapse
It won't, but you may lose the unlock depending what method you use
Sent from my SM-G920T using Tapatalk

FYI, this worked completely perfect. Used Ping Pong to root, unlocked and then flashed stock 5.1 and still unlocked

How do I root 5.1.1 DOI1 without tripping knox? I'm aware Samsung pay and fprint scanner are gone but I have a question.....If I decide to unroot and flash back to stock (with knocks untripped, hopefully) is it possible that Samsung pay and fprint scanner should work as a result?

headcreepz said:
How do I root 5.1.1 DOI1 without tripping knox? I'm aware Samsung pay and fprint scanner are gone but I have a question.....If I decide to unroot and flash back to stock (with knocks untripped, hopefully) is it possible that Samsung pay and fprint scanner should work as a result?
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Click to collapse
You cannot root 5.1.1 DOI1 without tripping Knox since Samsung updated the bootloader and we don't have an engineering bootloader for it. If you were on 5.1.1 COF6/8, you could still use the engineering bootloader while sacrificing the fingerprint scanner and Samsung Pay. As long as you don't trip Knox or use a custom recovery, you can still use Samsung Pay after flashing back to stock.

So who ever is on 5.1.1 DOI1 non rooted stock(brand new phone) and attempt to flash custom rom ,root phone etc will not be able to revert to stock (like from the box) and will lose SamPay and Fingerprint scanner?
In case we root, we will Tripp Knox and disable Fingerprint scanner?

roundel77 said:
So who ever is on 5.1.1 DOI1 non rooted stock(brand new phone) and attempt to flash custom rom ,root phone etc will not be able to revert to stock (like from the box) and will lose SamPay and Fingerprint scanner?
In case we root, we will Tripp Knox and disable Fingerprint scanner?
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Click to collapse
Only trip knox, which yes it will make samsung pay useless, and you cannot reset knox
Sent from my SM-G920T using Tapatalk

serio22 said:
Only trip knox, which yes it will make samsung pay useless, and you cannot reset knox
Sent from my SM-G920T using Tapatalk
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How about Chainfire root without modifying system? Did anyone tried this?Maybe there is still hope for us?

EncryptedCurse said:
You can root 5.1.1 without tripping Knox, but that means your fingerprint scanner will be rendered useless.
Personally, I stayed on 5.0.2, rooted with PingPongRoot and flashed a debloated ROM using FlashFire — all with Knox still intact.
Click to expand...
Click to collapse
Can you share what debloated ROM you used? I can't tell how to know if a rom works with FlashFire. I am still on 5.0.2, rooted, but still stock. I would like to try some more roms.

erikcave said:
Can you share what debloated ROM you used? I can't tell how to know if a rom works with FlashFire. I am still on 5.0.2, rooted, but still stock. I would like to try some more roms.
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Click to collapse
I'm using Looper 2.0. There really aren't that many options for those still on 5.0.2; it seems like the only other one is XtreStoLite. You may have more luck in the Unified Development forums, though I'm not sure if you'll be able to take advantage of T-Mobile specific features (like WiFi calling) on 'universal' ROMs.
I almost forgot to add: it's absolutely essential that you remove the boot.img from any ZIP before flashing or else you'll end up tripping Knox.

I was already looking at XtreStoLite. Do you know if its Aroma installer options work with FlashFire?

Im on this version of 5.1.1. and looking to root. I don't care about knox. I only care about the fingerprint scanner which I am under the impression only gets disabled with that developer bootloader used for not tripping knox. Anyways I flashed a version of TWRP which worked but wouldn't let my phone boot. Itd get stuck on the Samsung screen (not bootloop). I got the recovery is not seandroid enforcing message. I managed to get back to stock after that but Can someone point me into the right direction for which TWRP or CWM I should flash and or kernel after that. I just want to get a rom on this thing. Might as well since ive already tripped Knox.

Can TWRP be flashed without tripping KNOX? (Need TWRP only- not trying to root phone)

I'd like to flash TWRP onto my Note 5, but want to be absolutely sure it will NOT trip the KNOX counter. Is this a possibility at all, or does flashing any custom recovery lead to KNOX being tripped?
I am NOT looking to root the phone - I just need TWRP. (I am fully aware that at the moment, all rooting methods will trip the KNOX counter.)
Thanks!
Tom

hey_tommy said:
I'd like to flash TWRP onto my Note 5, but want to be absolutely sure it will NOT trip the KNOX counter.
Thanks!
Tom
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Click to collapse
It will trip Knox.

Thanks for confirming - that's what I figured as well.
I'm guessing that flashing ANYTHING other than the unmodified stock image would result in Knox being tripped...

hey_tommy said:
Thanks for confirming - that's what I figured as well.
I'm guessing that flashing ANYTHING other than the unmodified stock image would result in Knox being tripped...
Click to expand...
Click to collapse
Flashing other recoveries, kernels, and modified firmware packages will trip Knox.

Will stock ROM flashing trip KNOX?

I heard that rooting will trip KNOX on my phone and I'm not sure if I want that or not (I'll surely want to sell it in 1-2 years) but my phone has a firmware from my provider, which is updated every 3-4 months, so I'll need to flash the generic stock firmware. Will this trip my KNOX, or is it only just rooting/custom ROM? Thanks!

Ofcourse rooting will trip Knox, you will loose your warranty by doing that, no surprise there whataoever... On the other hand, flashing original firmware with Odin will NOT trip knox, just be sure to follow the steps... You can find instructions online.

Kemby13 said:
Ofcourse rooting will trip Knox, you will loose your warranty by doing that, no surprise there whataoever... On the other hand, flashing original firmware with Odin will NOT trip knox, just be sure to follow the steps... You can find instructions online.
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Thanks! Installed the generic firmware. KNOX is just fine

Kemby13 said:
Ofcourse rooting will trip Knox, you will loose your warranty by doing that, no surprise there whataoever... On the other hand, flashing original firmware with Odin will NOT trip knox, just be sure to follow the steps... You can find instructions online.
Click to expand...
Click to collapse
I understood that long ago. What I dont get is why reseting knox to cero is one of the custom ROM features. If I want to use my warranty, I would try to flash a original firmware with Odin, but I guess that after loosing root I would have a tampered Knox sign. Right?

It's a bit hard to explain, especially if you are not on good terms with english. Lets put it like this, imagine that Knox is like a "little copper wire" inside your phone which is controled by software. Once you install a custom rom or root, the Knox is tripped - in another words that little wire is cut in half. By doing that you ofcourse void your warranty and you can never undo it. I hope that clarifies it a bit. If you want, you can google "e-fuse" and find out more info about nature of knox...