yashsingh1/xdaforums huggingface dataset:
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] beatbreakee:
I'll take this one... Rooting again is simple even if you ODIN flash the newest OH1 firmware. The only real difference between OF1 and OH1 is the Stagefright Patch to stop the vulnerability, so if you are already on OD2/OF1 its really not worth the trouble to ODIN the stock OH1 firmware, then go through the process of re-rooting. Just simply flash the stagefright patch from this thread (gotta search) and then edit the "build.prop" on your phone to OH1 to stop the update notifications (also gotta search) and then you will have the newest update without having to go through the rooting process.

** IF YOU JUST "HAVE TO" HAVE THE OFFICIAL SPRINT OH1 FIRMWARE...**

1. Download the firmware from one of the firmware links in this forum

2. Flash using ODIN 3.09 (version really doesn't matter)

3. Download TWRP 2.8.4.0

4. Flash using ODIN

***IMPORTANT*** DO NOT LET THE PHONE REBOOT YET

5. Enter Recovery mode 1st so it patches the rom to the new recovery

6. Download SuperSU Beta 2.49 (search again if needed)

7. Flash this file using TWRP

Voila - Rooted L720T

If instructions are followed correctly you should have no problems. I have done this to about 50 sprint phones all using KitKat or Lollipop originally.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] ElLobo:
Sorry, I should have included what I am trying to upgrade from . I'm on KitKat 4.4.2, I've had the phone for a while. I'm trying to upgrade to the latest firmware. I'll probably just try to unroot and go the OTA route.

Who are you replying to? I know you mean well, but what problem you are trying to solve is very unclear.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] EngineManShawn:
Thank you I will try this later today and post how it works out.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] beatbreakee:
ElLobo

That was actually a General reply, to your question and anyone else who may soon realize the problem that they want to upgrade to the newest firmware. My solution works all the way around, you see... Whether you're on Jellybean....KitKat...Lollipop... whatever.... if you do want to upgrade to the newest firmware, without having to search for the instructions on how to do so, then re-root... then my post would simply answer the easiest, to an even more complicated question. But I only meant it as a general reply to the last few posts before it.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] mykehdoom:
This is my first Galaxy S4 I've owned. It's running on Android 5.0.1, model number is SPH-720T, baseband version is L720TVPUCOH1.

Can someone tell me how to root it, install recovery, and if there's a working cyanogen 12 rom for the boost mobile variant?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] beatbreakee:
mykehdoom

If you look up i believe 3 posts, by me i explained that... its simple...

(download TWRP 2.8.4.0 recovery , SuperSU 2.49 Beta , and Odin 3.09)

((Put SuperSU zip on your SDCARD!)

Enter Download mode on phone (Power off, then hold "Down volume, Home button, and Power")

When you get the screen that says "Download Mode", press UP volume to enter into Odin Mode

Using Odin, flash the "TWRP recovery using the "AP" slot"

Once completed, the phone will attempt to reboot.... DONT LET IT! or you'll have to start over.

Immediately hold "UP volume, Home, and Power Button" and you should enter TWRP recovery

(This is important that you do this before it reboots, otherwise it will overwrite the custom recovery with the stock one...)

If you successfully entered into TWRP, then your rom is patched and you are safe for reboots.

Now while in TWRP, click on "Install Zip" , and direct it to the External SDcard folder

Choose the SuperSU zip, and confirm the install.

After its done, you need to back out to the main screen of TWRP and go through the menus til you can wipe both the "Dalvik Cache, and Cache" (thats all nothing else needed)

Now reboot, and you should be rooted. (Boot will take about 10 - 15 Min, so dont worry, you're not bricked... just give it time...)

After the initial boot, you need to startup SuperSU, so it can download and install the binaries, and then you're done.

Hope thats detailed enough for ya... :)

I am on an S4 Sprint with the OH1 Firmware

Dont know about the custom roms though, cause i am using stock...
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] imprint89:
This looks good, but I think he (and I) wanted to know if the Boost Mobile variant is compatible with the Sprint instructions to root and install recovery. I dropped big money on an GS4 and I don't want to hose it. I've looked for Boost Mobile guides but I assume the Sprint guides work for the Boost phones given the lack of guides I can find on the Boost GS4.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bilgerryan:
Yes, it is exactly the same. The phone is exactly the same except it has Boost software instead of Sprint.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] crowbahr:
Almost Soft Bricked

Hi guys, I've still got download mode and recovery but I've got the issue that has left me without a phone for 36+ hours now. I can't get any cell service. Or wifi.

I'm pretty sure I need to reflash the modem but I cannot get Odin to side load anything. I keep getting auth (fail) error when the Nand portion starts.

I can manage to flash Xposed but again, I have no cell or wifi.

I found a L720 NC6 modem but I can't manage to get a NC6 rom to install, it just gets stuck on the "Samsung" page.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
Does your model begin with a SPH as in SPH-720T? I think only sprint phones begin with SPH and before we get any deeper on other carrier phones on this thread, please remember this is a Sprint 720T (SPH-720T) not a t-mobile 720T thread. That being said, I hope you found what you needed.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] imprint89:
Yeah, I have the SPH-720T Boost Mobile variant. I was able to install recovery and root. Now I'm looking for de-bloated, deodexed rooted roms to try.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bilgerryan:
Wicked X- http://xdaforums.com/showthread.php?t=3115583
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
Thanks, as long as it's a SPH-720T. ☺
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] imprint89:
Hey, I have a dumb question for you guys, but I downloaded Odin, a stock rom and followed the instructions but I can't seem to get a fresh factory install. All it does is breaks root and installs the factory recovery thus wiping TWRP and I come back to all my icons and home screen. Am I doing something wrong, or do I have the wrong rom? Any help would be appreciated.

Using Odin 3.10.7

Kies is not installed.

Have latest Samsung drivers.

Rom I have is L720TVPUCOH1_L720TSPTCOH1_L720TVPUCOH1_HOME.tar.md5 downloaded from first post in this thread.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bilgerryan:
It installed if everything under Settings/About Device says OH1... it just didn't wipe data, do a factory data reset and you'll have a clean install.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] imprint89:
Is there a way to have Odin wipe the phone while installing the rom?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bilgerryan:
It's written into the tar file, some do, some don't. Some wipe the internal SD, some don't. I guess it just depends on who put it together.... I've personally never made a tar file.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] EngineManShawn:
So this should fix my su binary problem on my s4 sph-l720t? I'm a noob so I need to make this work the first time. I had no trouble with the m5.tar file. Thanks

---------- Post added at 01:00 AM ---------- Previous post was at 12:59 AM ----------

I also am running on stock Rom. Want to keep it close because I'm so new.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] imprint89:
Oh ok, well that clears that up. Do you know of a factory rom that wipes the internal SD when installing?

---------- Post added at 05:31 PM ---------- Previous post was at 05:30 PM ----------

Yeah, just follow the instructions and you will be good.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bilgerryan:
Just do it manually
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] mogul420:
got two questions:

1. is there a separate thread with the OH1 modem/radio flashable .zip or does the phone get it when I flash the stock ROM through ODIN?

2. is there another mirror that is not Rapidgator? download never finishes.

thanks!
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bilgerryan:
1. Phone gets it when you update with Odin.

2. www.sammobile.com
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] affineer:
S4 SPH L720T Full Dead

hi,

Mistakenly I happened to flash L720 firmware on my Lp720T..

Now My L720T does not respond to anything, hardware keys... computer,,, etc etc..

Is there any chance for me to revive it.

thanks

Waiting desparately
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bilgerryan:
If it's black screen and you can't get into Download Mode then it's probably done for.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] affineer:
Yes. Black screen, and can neither boot to download mode, recovery or normal boot.

so what to do now?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bilgerryan:
Buy a new phone
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
Last stitch effort. Unplug battery for 60 seconds. Then plug battery back in and try to go DIRECTLY to download mode.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] affineer:
Let me try that...

Hope it works :)
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
Good luck friend.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] affineer:
It did not work.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
Edited for typos.

.....................

When it's unplugged from the wall and you try to turn phone back on with battery only, do you get any indicators at all that the phone has power from battery? A momentary LED light, flash on the screen, anything at all?

I'm just wandering if the battery is bad or (even more likely) you are not getting a full reset/discharge by not keeping the battery out long enough.

Because I feel like you should get some sort of initial hardware power indicator during the first moments of turn on, no matter what you flashed to the phone.

Try unplugging it from wall and pulling out battery for several minutes (longer).

If you can get an initial power indicator to come on, and go directly to download mode, you have a chance.

Oh! and remember that you have to hold down the power button for a few seconds to get it to come back on.

Obiwanknobi, its your only hope.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] EngineManShawn:
I just about had enough of super su. My device is working fine because I believe that I'm wise enough not to brick it. Super su is installed. I DO NOT HAVE ROOT! I just want it out of my device. Su binary needs update. Everytime I look. I even did a complete factory reset twice. Super su still in there as a system useless piece. Is it just to access my information? Why?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] AndyYan:
SuperSU is installed into /system, so it won't go with,a factory reset. Flash a stock firmware with Odin.

Sent from Google Nexus 4 @ CM12.1

[WARNING: XDA Premium 4.0.13+ lacks Signature function - do not update]
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] EngineManShawn:
"Do not update " exactly this is a gamer!

---------- Post added at 09:20 PM ---------- Previous post was at 09:19 PM ----------

That is not what I posted

---------- Post added at 09:26 PM ---------- Previous post was at 09:20 PM ----------

It's the same thing everywhere that I read. S4. Can't get root. Su binary update needed. Especially for the s4 sph-l720t. Plus many others. Users beware just as chainfire states. NOT RESPONSIBLE FOR ANYTHING!
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
[MENTION=4419970]EngineManShawn[/MENTION]

Why was supersu installed on the phone in the first place? Was the phone previously rooted at one time?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bilgerryan:
He was trying to root but somehow never got it to work.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
Reinstall supersu, go to settings in supersu, and try the cleanup options. I believe the full unroot actually uninstalls the app.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
Ok thanks. By his posts, I could not tell for sure.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] dfd00123:
I think my l720T is bricked!?!?!

I got this phone new in the so I thought, But its stuck at the samsung screen. Ive already spoke to a dev about this problem. Im not sure what Rom if any is on it. but ive tried to flash oh1, od2 stock rooted, od2 deodexed, and im downloading of1 as we speak. I was able to get a custom recovery onto the phone and Ive tried to to flash from sd card to still no avail. I know the bootloader isnt locked from the factory but can it get locked afterwards or something? I was able to flash one rom. OD2 rooted stock flashed successfully but it will only boot through once all the way. After you turn off the phone and reboot its stuck once again. Ive even switched out logic boards and the same thing is happening. Im a noob so could someone walk me through this please........:crying::crying:

p.s.

I read on a post about a pit file, and when i looked at the recovery log it says this

BOARD_HAS_NO_REAL_SDCARD := true

TW_NO_REBOOT_BOOTLOADER := true

RECOVERY_SDCARD_ON_DATA := true

I:Lun file '/sys/devices/platform/msm_hsusb/gadget/lun0/file'

TW_HAS_DOWNLOAD_MODE
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bilgerryan:
Flash the stock tar from sammobile.com in Download Mode with the PC program Odin. Also take the battery out and check the model number to ensure you're grabbing the right file.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] affineer:
Model number under battery is not reliable... It's just an sticker..(can be changed). Go to download mode and check what model it shows there... Good luck

---------- Post added at 07:34 PM ---------- Previous post was at 06:48 PM ----------

After keeping battery out mobile for about two hours, and putting back it, My s4 l720t boots upto galaxy logo and turns off to dead state.(black screen and no-response) .. Tried to go to download mode, it went but shut down again to the same state... Hardware or software issue?

Please help
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] Galane:
Can the cellphone function be disabled while leaving WiFi working? If I get a docking station for my broken L720T to use it as a media center, I'll want its WiFi going but don't want it constantly pinging for a phone connection.

It's rooted with TWRP
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bilgerryan:
It's very intricately tied into a bunch of apps, it's not easy but you could try freezing the Phone, Contacts and Messaging apps and see what happens, make a backup first.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
I'm sorry friend. I'm out of ideas. Sounds unrecoverable.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] EngineManShawn:
Anybody have any luck with root for the sprint s4 sph-l720t model?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] Dngrsone:
Which firmware version?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] EngineManShawn:
Sph-l720t.03 5.0.1
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] EngineManShawn:
AND Finally ROOT! had to use king root to get the su binary update then uninstalled it downloaded twrp and I got it into recovery..... SWEET!
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] Galane:
That's good. :) I tried that root on my L720T and it wouldn't work.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] youngnex:
Sounds Good. Let's test out this C-ROM. I was happy with Sacs but not as much. So we'll see if this one can match up to TW's speed. I'll keep you guys posted, i'll test it now after a quick nandroid.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] sew3521:
Awesome. Thanks for testing it. I would love to however I am on vacation right now and it would suck to have something go wrong. Can you please post if this rom keeps the spark functionality. I have a feeling it won't but one can always hope... right?!
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] leaderbuilder:
Which version of Philz did you use?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] sew3521:
I currently run the latest version of Philz for the GS4, 6.25.4. It is working great.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] leaderbuilder:
Thanks, that's the unified then I take it.

Just had a few family members grab the T version and of course it'll be me tweaking them.

I'll just use the lates CF-Autoroot and Philz then for now.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
This is a good post from k1mu on k1mu's saferoot thread. Wanted to have it on this thread.

From k1mu

To jerryGNCY

"Knox" is an umbrella term that Samsung uses to describe a range of security features that allow tight control of their devices. One of the Knox features detects when someone tries to flash unauthorized software and either rejects it or records the fact that the device has been tampered with. Tampering (trying to flash an unauthorized kernel or recovery) sets the warranty void flag.

A device with a locked bootloader will reject most attempts to modify those critical files. You can sneak by those restrictions, but that'll usually end up with a bricked device which will show Knox Warranty Void once you recover it.

A device with an unlocked bootloader will allow you to flash a custom kernel or recovery. If that bootloader is Knox enabled, it'll detect the unauthorized modification and set the Knox Warranty Void flag but allow the update. So, for those devices, you can do what you want as long as you accept the consequences of the Warranty Void flag. (Which seems to be limited to the fact that you can't build a Knox container, which only matters to corporate users.)

Bottom line - pre-Knox you could do what you want without impunity on unlocked devices.

Post-Knox you may be able to flash, but it'll be irreversibly recorded.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] JerryGNYC:
[MENTION=5662793]bgmg[/MENTION] - you left out my mention... :p

lol
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
Fixed?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] JerryGNYC:
You are evil, EVIL! :eek:

:silly: :cool:
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] frukyyy:
NC6 OTA?!!

Today I was playing around with my 720T and formatted all user data via dialpad codes and MSL. Few hours later I received a OTA push notification and as warning it said something down the lines of adding Wi-Fi calling option.

Because of the custom recovery (TWRP) and root I guess the installation didn't go through however on the log screen I think I saw a error file containing the NC6 at the end.

Of course I do not have any screenshot or log saved because I was tired and I just selected reboot!

Anyone else received this OTA push. It looked like a small file for major upgrade if I remember what it can be.

EDIT: CONFIRMED OTA ROLLOUT

samsung Galaxy S4 REFRESH Software Update - L720TVPUBNC6

Enhancements/Fixes

- Wi-Fi Calling

Important Notes

- Software version is L720TVPUBNC6

- This update will roll-out in a phased manner from 4/9 - 4/22

- Refer to the Samsung Galaxy S4 Software Update article in Support for install instructions
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] kerney:
Shp-l720t how to sim unlock

HI EVERY ONE! could some one tell if is possible to simcard unlock the model SPH-L720T from sprint because i have used the old method for the sph-l720 and it didn't work.

thank you in advance.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] daniel4653:
No possible way right now.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
Updated post 1 to include NC6. In short, this thread is for everything L720T (Tri-BAND).

Also, need someone to please confirm that cf-root works on NC6.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] youngnex:
Thank you. However, i think i'll wait to try it once sammobile or someone supplies a odin tar. (just in case lol)
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] carolinavenger:
So I've been lurking on these forums for a very long time, finally felt compelled to register. Forgive this liberal arts major if this is a dumb question, but I've read the whole thread and a few others and just want to clarify. Is there no way at all to get WiFi working on the KitKat version of sacs rom (v3) on an L720T? My baseband is NAF, rooted with cf autoroot, tripped Knox, don't care about that. Recovery is twrp 2.7.0.1, have had no problems with it either. I can flash sacs 4.4 without issue, and it works well except for the WiFi and tethering problems. Editing the build.prop does nothing. Am I just stuck with stock if I want a tw-ish rom? (Tried c-rom, didn't care for it, and also it broke my mobile data somehow.) I love sacs rom otherwise but no WiFi is a deal breaker. :(
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] daniel4653:
Welcome,

When you ran sacs did you try to flash a different kernel to see if that would allow you to connect to a WiFi network?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] frukyyy:
C-ROM Works. You may have to edit the SMS service call center via 4636 code. WiFi works on this rom even though the exclamation sign is on.

I have same issues as you with Sacs V3. It's just so frustrating that the devs don't fix that because previous versions worked, hence, I assume, the issue is minor not incompatible. I flashed sacs V3 then via odin I flashed the modem .bin files (non-hlos and modem) thinking that the modem will fix the wi-fi connectivity with no success. I also PMed the OP sacs23 himself but didn't hear back.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] carolinavenger:
Ah, now we're bumping into things I'm less familiar with. I did see that mentioned but didn't see anyone saying 'yes, here, this works' so I just went back to my nandroid. I can look into that when I get home from work today. Is there a list somewhere of kernels I could try or should I just flex my Google fu?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] frukyyy:
So you can flash a different kernel on top of a cooked ROM without messing the phone to point of no repair?

I agree that I yet have to hear from someone who had the WiFi issues fixed by flashing a different kernel.

Do 720 kernels work on 720T?
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
Has any FULLY working roms been confirmed for L720T yet? By fully I mean spark works, wifi works, etc. Everything.

Just want to make sure I haven't missed anything that needs to be in post one.

If any of you would like to see other stuff in post one please send me a message.

Thank you all for making this thread a success. I've learned much in my short time thanks to all of you, and yet I still have much more to learn.

Have a great day everyone and thanks again.
[Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot] bgmg:
Glad you finally got root, but I'm curious to find out what it is that I don't understand about your original issue. Did you read post one of this thread? It tells you how to root the Sprint 720T. Root for the sprint 720T is what the whole of the OP (post 1) is about.