What's the safest way to root & possibly BL Unlock my TMobile Galaxy S6 SM-G920T? - Galaxy S6 Q&A, Help & Troubleshooting

I'm new to posting to these forums, so forgive me if i don't add the right tags or do something right...
Anyway, I was given a TMobile Galaxy S6 as a hand-me-down phone from my family, and wanted to know what was the best way to root the device. I don't really care if i trip Knox, but i'd like it to be unnoticeable, and i'd love to not trip it at all, if possible. I don't want to have an "Unlocked" sign everytime i bootup. I want to be able to run Vanilla Oreo (or close to it) without touchwiz as the phone has been getting laggy, and since i already have another Rooted Device, it's not laggy when running Resurrection Remix, which i'll probably end up running that ROM on this phone as well. I've heard the TMobile version has a Bootloader unlock, but i'm not sure how to go about doing that without bricking the device. The reason i'm asking is because the last Samsung device i had, a Galaxy S5, was bricked for a number of months before i was able to flash stock again using a SD Card, and i don't want to have to go through that again with this phone. Should i just follow this tutorial? or is there a better way to flash without tripping Knox? I know how to root & BL Unlock, i've done it on a number of close-to-stock devices, but Samsung devices are a whole 'nother world of trouble that i don't even know how to deal with.
Device: T-Mobile Samsung Galaxy S6 - SM-G920T
Running: Android 7.0
Build Number: NRD90M.G920TUVU5FQG3
Baseband Version: G920TUVU5FQG3

I have the same phone ,first go to developer option and allow iem unlock ,reboot to odin and flash cf auto root (choose the one for your modele and os exactly) then reboot

Related

[Q] Brand new to everything root related, some simple questions i hope.

Ok here we go thank you to whoever takes the time to answer these sorry if I sound uneducated in this field but I have no idea what I am doing really.
1) I am running a Galaxy S4 through Koodo (Canadian) sgh-i337m baseband I337MVLUFNE1 the build number is the same but with KOT49H. added to the front of it, my question is is it possible to unlock my bootloader I've seen posts about AT&T locking theirs or something and I wasn't sure.
2) Secondly I've rooted my phone using Odin and how can I tell if my bootloader is unlocked? (keep in mind im not too tech savvy with the android OS yet)
3) What would happen if I flashed Cyanogenmod onto my device and it wasn't unlocked? I bought ROM Toolbox pro
4) How do I go about doing anything in recovery mode everytime I go through it shows a dead android guy and doesn't give me many options?
5) How do I change my boot screen, I tried a few methods but I don't think I am deodexed (which i don't know what it means really) and it tells me i cant change themes etc with ease, when i tried that x-(something) program to deodex my device it couldn't detect the device through the usb or it took ridiculously long and I quit out.
Thank you very much to whoever can help me out, I'm not sure where my Koodo GS4 falls in relation to canadian GS4's etc so I don't want to mess it up.

[Q] Rooting Verizon Galaxy Note II 4.3 after tripping Knox and 4.1.1 downgrade

Okay guys. Here we go. I screwed up the other day while trying to load a custom ROM following a friends instructions. I tripped Knox on my Verizon Note II 4.3 and was forced to downgrade to 4.1.1. My phone is no longer rooted and I am trying to figure out how to root from 4.1.1 with a locked bootloader and then use safestrap to install custom ROMs. Sadly I cannot find any info anywhere after several hours of searching. I've read up on Knox and I could care less about warranty info (I bought the phone used after all) and I just want to be able to load custom ROMs so I can better enjoy my phone while being able to restore APN settings since I am running on a non-Verizon carrier service. Please help!
Edit: I used RootChecker to make sure that my phone is no longer rooted after downgrading to 4.1.1
Edit: Fixed with Kingo Root

Galaxy S5 Root and Questions

I own a Samsung Galaxy S5 and I want to root to get full functionality from the device. I have read several root guides but they seem to be very old. Things like Towelroot I have read doesn't work anymore.
So if someone can give me a link or post and effective and up to date guide for rooting would be great.
I also have a few questions about rooting.
1. I have heard that some roots trip Samsung Knox so I need a root that wont do this
2. What does the Knox flag 0x1 actually do to the device other than void warrenty? I have heard it permanently disables Samsung services for the phone/tablet like Kies and adds warnings to the boot screen, but I don't know if this is true.
3. I want to get Android updates for security and such, will a small update cause unroot? (I will also upgrade to Android 6.0 if/when its available for the S5 and I know upgrade will unroot)
If there is a chance of tripping Knox I will not root. I also want to be able to return the phone back to exact stock software, settings and flags as before it was rooted if I choose to.
Phone info:
AT&T S5
Model: SAMSUNG-SM-G900A
Android version: 5.1.1
Baseband version: G900AUCU4COI5
Kernel version: 3.4.0-5869384
KNOX version
KONX 2.5
Standard SDK 4.5.0
Premium SDK 2.5.0
ect...
Don't root!!
I've got the same problem as you brother. I've got the same phone specs. I think we are out of luck right now. Attempting anything is probably a really bad idea.
But I second this call for help, I'm curious to know if there is anything that can be done.
@Woogoo as of now you can't root the AT&T S5 latest OS so don't try...

Used S6 and have no idea how to root

I've researched multiple rooting tutorials and have found a lot of guides based on the auto-root file from www(.)autoroot.chainfire(.)eu
However, I still do not know what to do with this. From my research I found out that there is a possibility that the bootloader is locked and that is the reason I am scared, if I brick this phone I will not have a phone for another 2 years. If I flash a new clear android 7.0.0 stock for the S6 without the O2 addon bloatware with the bootloader locked it will brick my phone since this is some sort of security feature.
What I want from my S6:
- VERY good security, I will be banking on it alot, using android pay, etc so I need it to basically be hack-proof etc. Im not going to install apps like lucky patcher which are not from the play store.
- A new clean stock version of Android 7.0.0 without so many O2 apps that I cannot uninstall.
- Root access to remove certain system services and increase my battery life
I am a previous root user, 1 year ago being on my rooted S3 which I rooted using KingoRoot with one click. Now I come back year later to a new phone 3 generations down with things like the locked bootloader and KNOX. Could anyone explain what I can do at this point?
Phone specification essentials:
Name: Samsung Galaxy S6 O2/EU
Model Number: SM-G920F
Build Number: G920FXXU5EQE5
Android Version: 7.0
Knox Version: 2.7.1
The device still has a simlock, and I was told that the sim lock is installed in the ROM. So if I were to flash Im assuming the simlock would be removed however I still have a pending order for the unlock code coming in 7 days.
Try with a TWRP and a Magisk' - SuperSU it's a will be less-stable for now' (Seriously who are be use at This for now?)
Addition advantage it's a doesn't Permissives of a Magisk (Still "Enforced")

Samsung S7 (Verizon) rooting and custom rom general questions.

I've recently been given a Galaxy S7 (Verizon branded) phone that I'd like to root and put a custom ROM on. I haven't done this in 3-4 years and based on what little searching I've done it seems this is workable for the S7 phone. I'm familiar (but very rusty) on the rooting and custom ROM process, but I know it will come back to me once I get into it.
I'd also like to have the "SIM card missing" message go away permanently if I root and custom ROM the phone. I will never use it with any service. Can someone enlighten me on what you feel is a good ROM for this phone and if the SIM message can be disabled since I'm never wanting to use it as a phone (on a service)?
You can't get a full blown custom ROM on Verizon variants because of snapdragon bootloader lock, only Exynos has custom ROMs.
You can get root using an engineering bootloader but it depends on what version your firmware is at.
You'll want to check out the Verizon S7 forums for how to do that https://forum.xda-developers.com/verizon-galaxy-s7
Beanvee7 said:
You can't get a full blown custom ROM on Verizon variants because of snapdragon bootloader lock, only Exynos has custom ROMs.
You can get root using an engineering bootloader but it depends on what version your firmware is at.
You'll want to check out the Verizon S7 forums for how to do that https://forum.xda-developers.com/verizon-galaxy-s7
Click to expand...
Click to collapse
Thanks Beanvee. I think I'm trying to use a sledge hammer to fix an issue anyway.
I'm never going to use cellular so I was thinking a ROM would enable me to turn off the "No SIM card message" or have some feature built into it.
There might be other ways to do this besides rooting and a ROM. Thanks.

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