VZW S4 SCH-I545 4.3 Bootloader - General Questions and Answers

Hi,
New to the forums so hopefully this is the right forum to ask such a question. After scouring the net for awhile, I've come across that the bootloader for vzw I545 4.3 can not be unlocked. However, the post was a few years ago. Is this the case? If not, could someone point me in the right direction of getting it unlocked? Fairly new to the whole rom scene, only installed a couple so far. Those were on a S3, and I have only rooted this phone, no OTA updates, just the version it came with from the shop I got it from.
Phone Spec's:
VZW S4-SCH I545
Android Vers. 4.3
SE for Android Enforcing
Kernel 3.4.0
Baseband 1545VRUEMK2
Phone is rooted.
If you all need more information let me know.
Thanks,
Lopkey

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I posted something similar to this a week or 2 ago figured id give it another shot to see if there is any updated info.

[Q] Possible to go from 4.3 I535VRUCML1 update to install CyanogenMod yet? d2vzw

http://www.xda-developers.com/wp-content/uploads/2013/12/Screenshot_2013-12-18-16-20-14-576x1024.png
Hello, I have a Samsung Galaxy S3 I535 (Verizon) and have been done with flashing custom roms for a while now. I figured I would just wait until my contract is up in May go to At&t and get the Nexus 5 (straight off Google's site). I actually got in the mood to put Cyanogenmod on my phone until my contract is finally up. I hear all of this talk about Knox and once you upgrade to 4.3 I535VRUCML1 there is no turning back.
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Is it possible at all to ever get CWM / Cyanogenmod back on my S3 that currently has the latest (4.3 I535VRUCML1). I am willing to attempt anything since I am getting rid of the phone in 2 months. Also not selling it afterwards since screen is cracked.
There is no way yet, but maybe soon. A post looked promising a few days ago.
I'll post here if I find something.
Sent from my HTC6525LVW using Tapatalk
I also am very interested in this topic, same build phone and also want to use Cynogenmod

Brand new galaxy s6 edge.... How to get root and xposed

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http://forum.xda-developers.com/verizon-galaxy-s6/general/verizon-s6-stock-restore-files-t3096000
I believe you will need to install a deodexed ROM after that to use Xposed on 5.0.2
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[Completed] Looking for AT&T S4 I337 OTA update for 4.4.2 to 4.4.4

Recently switched from Sprint to AT&T. I have been using a S4 I337. I am happy with it. Rooted it. Not happy with volume but I am happy. Bought another for my wife but it had 5.0 on it. I had tried that but did not like it. I used ODIN and flashed hers but it has 4.4.2. Would like matching phones ( I have a touch of OCD). Seems I can't find the update. Does anyone have it or know where
(link) ? I thank you ahead of time.
unclescary said:
Recently switched from Sprint to AT&T. I have been using a S4 I337. I am happy with it. Rooted it. Not happy with volume but I am happy. Bought another for my wife but it had 5.0 on it. I had tried that but did not like it. I used ODIN and flashed hers but it has 4.4.2. Would like matching phones ( I have a touch of OCD). Seems I can't find the update. Does anyone have it or know where
(link) ? I thank you ahead of time.
Click to expand...
Click to collapse
Hello,
You may visit here All in one thread for AT&T Galaxy S4 and find the appropriate file for your device.
If you still run into issues, you may try asking here Q&A Thread for AT&T Galaxy S4, the experts there maybe able to assist you.
-Vatsal

[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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