[Completed] AIO/Cricket Galaxy S4 I337z, need help to figure out if I can flash my phone - XDA Assist

I recently bought a Samsung Multi Media dock that I finally got to work reliably. I'm not impressed with the experience so I want to flash my phone over to a custom rom so I can tweak settings (and recover from it if I screw it up). I used to have a custom rom on my last phone but since I had to replace it when Cricket nuked their CDMA network I'm stuck with a stock Samsung Galaxy S4, with touchwiz- I hate touchwiz.
My brother kind of held my hand when my phone was first flashed over to CyanogenMod, a more accurate description was that he sabotaged it giving me little reason not to flash a custom image, so I'm still a bit new at this. I've gone threw the forums with the intent of reading up on weather I can and how I should go about flashing my phone. Problem is that I can't find anything that directly relates to the version of the firmware I have and I don't know if its compatible with any of the methods on the table.
I'm rightfully terrified of bricking my phone. I at least want some encouragement of reading about people with a success rate with an identical device before I go off and potentially brick my phone, if I do brick my phone I want it to be completely my fault because I plan on reading every guide and forum thread twice just to make sure I don't miss a nuance of the process.
Anyway,
i have a Galaxy S4, SGH-I337Z
Build #: KOT49H.i337zTUUBOA1
Android Ver- 4.4.2
security software ver: mdf v1.0 Rel 2
any combination of that information just points me to similar threads with no 100% (or even 50%) identical information. I've got three threads open in tabs rite now that say things about MD3 or MK2 firmware and I have no idea if I have those or not.
Anyway I'm hoping someone can find the info I'm to blind to find myself.
Thanks in advance!
Ryo

Hi there,
Best answers you will receive in the dedicated forum for this device, see bellow, but first you need to register an aacount on XDA for full access.
Here's few discussions about your device:
[Q] Help Rooting the aio S4 model i337z
[guide][how-to] sim unlock aio/cricket galaxy s4 i337z
[Q] i337z Cricket variant that is no good for modding?
For questions please ask directly here: Stupid Questions Thread - No question too stupid!
Good luck

Related

[Completed] [Q] I545...NK1 Safe to Flash Cyano or Pacman?

Hello, first timer with a noob question.
Long story short, I want to unlock my Galaxy S4 (Verizon, SCH-I545, 4.4.2, NK1) to use other SIM cards? Simple, no? No. I had rooted my phone do I could change a text file to enable the hidden menus and then found that the menu I needed is incomplete (Perso Sha 256)--a symptom of 4.4.2, I read.
I thought that downgrading to 4.2.2 might enable the menu, but I started reading about custom roms and became interested. However, the cyano wiki says it can't be installed on my version (NK1) and I'm wondering if Pacman has a similar issue since it borrows from cyano.
My main question: 1) am I on the right track to unlock SIM capability? 2) if so, do you recommend I downgrade or install a custom rom?
Sorry if I'm in the wrong forum. I simply want to make phone calls in another country and Verizon is making it very difficult for me. Any suggestions or advice about downgrading/custom roms/SIM unlocking would be much appreciated as I am as noob as they come.
Thank you!
Hi, thank you for using XDA Assist. There is a complete forum for your device here, http://forum.xda-developers.com/galaxy-s4-verizon. They are the experts on your device and can help you.

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Hi, sorry for posting a thread that's likely already been answered, I tried looking through the forums and I'm lost. I used to be really into the custom ROM scene and whatnot back in the galaxy S2, but haven't really been at it in a while.
So I bought my fancy new S6 Edge G295W8, and I'm looking at how I can go about safely rooting it. I checked CF-root but I didn't see my model number, it seems like samsung's adding in more and more model variations every generation. I'm also on a carrier that isn't mentioned specifically under the S6 forums, so that adds to the confusion. So what's a good and safe root to use? I'm still familiar with odin and flashing as pda and whatnot, so I won't need a tutorial on that, just a good starting point at a thread with a root that'll work for me.
And another minor question, any good ROM recommendations? How's the cyanogenmod support for my model? Are there any good clean roms with the edge features still intact?
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bump?

So I'm rooted with a USCC Galaxy S6... ROM Compatibility?

1. TWRP is up
2. Stock 5.1.1 with baseband G920R4TYU2BOF7/HW version G9020R4.02
3. Kernel name: 3.10.61-V-Kernel+
4. No Mods
5. Rooted
Last time, I did any rooting and flashing was the original Galaxy S Mesmerize for USCC... Been using that trusty phone up until 2 days ago. I finally broke down and upgraded after 5+ years! So I'm a bit rusty on this kind of stuff.
I know when I was flashing with the Mez, I had to make sure that I used carrier-specific ROMs since there were subtleties in hardware and so on. I was wondering which of the Custom ROMs in the pinned thread in the general section of this forum were compatible with a US Cellular Galaxy S6 with the specs I listed. Here is the link to the thread I'm speaking of. Also, any hints, clues, thing to look for etc etc in determining if a ROM is compatible would be awesome.
[INDEX] Complete List of (Rom, Root, Kernel, Mod) for S6 920F
http://forum.xda-developers.com/galaxy-s6/general/index-complete-list-rom-root-kernel-mod-t3104827
Once again, thank you guys for all that you do.
Edit: Somewhat off-topic... OTA update keeps wanting to come through. Will OTA update undo root?

Rooting and upgrading software questions - Samsung Galaxy S3 GT-I9300T

I hope this is the correct section to post this. I have a sgs3 GT-I9300T that is/was carrier locked through Vodafone. I say is/was because I can currently use an Optus simcard without problems. This specific model does not support any upgrade past 4.3 jellybean (which is bs lol)
So here I am, a complete phone noob, wondering how to root this specific model and upgrade to at least the 4.4.4 KitKat port ive seen posted. Is there any guides or how tos on the subject? Is there a difference between both GT-I9300 and the T variation in terms of rooting/flashing custom roms etc?
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[Completed] Old Galaxy S4 on new carrier. How do I update to Marshmallow or other?

Samsung Galaxy S4 SGH-I337
Baseband version: I337UCUGOK2
Kernel version: 3.4.0-6185444
[email protected] #1
Build number: LRX22C.I337UCUGOK2
I am going to be using an old S4 from At&t until I save up for something better.
It has been recovered to its original state and It will not let me do a software update past 5.0.1 because At&t has never pushed it out.
The phone is also now being used with Cricket wireless.
I would like to be able to just use the most recent stock update from Samsung and get rid of any trace of AT&T from this phone if I can but I don't know for a fact if Samsung ever updated the S4.
If that's not an option, then where do I start learning about custom ROMs, and how to know what's supported etc.?
I don't care about voiding ANYTHING in this endeavor.
I'm an old G33K but rooting, and custom ROMs are new to me. I have spent countless hours on YouTube but it's filled with so much useless info as I'm sure you all know.
Thank you so much for your time in reading this & any reply.
WalPOW=VX9= said:
Samsung Galaxy S4 SGH-I337
Baseband version: I337UCUGOK2
Kernel version: 3.4.0-6185444
[email protected] #1
Build number: LRX22C.I337UCUGOK2
I am going to be using an old S4 from At&t until I save up for something better.
It has been recovered to its original state and It will not let me do a software update past 5.0.1 because At&t has never pushed it out.
The phone is also now being used with Cricket wireless.
I would like to be able to just use the most recent stock update from Samsung and get rid of any trace of AT&T from this phone if I can but I don't know for a fact if Samsung ever updated the S4.
If that's not an option, then where do I start learning about custom ROMs, and how to know what's supported etc.?
I don't care about voiding ANYTHING in this endeavor.
I'm an old G33K but rooting, and custom ROMs are new to me. I have spent countless hours on YouTube but it's filled with so much useless info as I'm sure you all know.
Thank you so much for your time in reading this & any reply.
Click to expand...
Click to collapse
Greetings and welcome to assist. I don't think samsung updated the s4 past 5.0, you could just root your phone to remove any at&t apps. There is a very simple guide here
https://forum.xda-developers.com/galaxy-s4-att/general/how-to-installed-custom-lollipop-rom-t3135396
on how to install a custom rom on your device
Good Luck
Sawdoctor

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