[Samsung Galaxy S24 Ultra] jrkruse:
This firmware requires unlocked bootloaders. This is modified stock firmware with encryption removed and system made with rw capabilities.

​

Warnings Please Read Before Proceeding!!!

Supported device is SM-S928B & SM-S928B/DS This does not work on US devices!

If your device is Kg Locked or you have no OEM unlock this is not the place for help!

Once bootloader is unlocked and this rom is flashed your warranty maybe void!

Samsung Knox is tripped!

Samsung Pay and Pass will never work again!

Certain Apps that require Google Play Integrity check may not work without work arounds!

There is no way to get rid of warning screens at boot about unlocked device!

You cannot relock your bootloaders without going back to full stock firmware first!

Relocking bootloaders will not get samsung features back like Pay Pass etc!

Issues

Samsung apps requiring knox will not work

OTG in TWRP may not work possible fix flash back TWRP from Ungeskriptet thread

Kernel

Stock 6.1.25 Android 14

KernelSu 6.1.25 Android 14

Features

TWRP thanks Ungeskriptet and VBMETA disable included

System, System_Ext, System_Dlkm and Product partitions are F2FS RW

Encryption removed from vendor and recovery image restore removed also

Odin Flashable

Debloated

Knox and Vaultkeeper removed

Bluetooth and Watch patched

Choose Your Root Preference

CSC files decrypted and Call recording added to all carrier csc files

Call recording added

Spam call blocking added

Below US Features Working With Added Modules

5g confirmed working on Tmobile, Verizon and At&T

VVM working on Verizon

Wifi calling working

Hotspot working

Downloads

S928BXXU1AXBN_SYSTEM_RW_F2FS.7z

Odin3_v3.14.1_3B_PatcheD.7z

Directions For Install

Download above firmware and unzip to get firmware files

Reboot phone to download mode must be plugged into computer

When powered off hold power plus volume up and down buttons

At download screen let go then press volume up to enter download mode

Load files in appropriate Odin slots.

Use regular not home CSC and Userdata_AIO force wipe.

Flash firmware when finished phone will boot to TWRP 2 times .

If upgrading firmware and you are already decrypted data then use Home csc with no wipe userdata aio to retain your data

Flash USERDATA_AIO in Userdata slot in odin

Phone will automatically reboot to Twrp 2 times

Ignore Errors on Twrp flash screen they are normal

Once phone boots back to TWRP 2nd time and stops choose root method they will be provided as zips on sdcard and flash

Below are zips that will be preloaded onto internal storage of phone

Magisk-v27_0.zip

KernelSu_14_6_1_25.zip

Samsung_Change_CSC.zip

ATT_CSC.zip

CCT_CSC.zip

VZW_CSC.zip

TMB_CSC.zip

XAA_CSC.zip

CHA_CSC.zip

If you are using a US sim then there use the zips placed on your sdcard to change csc code and install US optics and prisms

choose your carrier csc zip and flash

Once root is flashed and carrier zips (if needed) are flashed If you have been on encrypted data or this is first time using this goto wipe and Format Data complete with typing Yes in the box

Go through setup if magisk stub doesnt appear manually install magisk manager Magisk-v27.0.apk

US Carriers Post Install

Its Always best to make sure the sim you are using was setup in a branded carrier phone and all features were working before using it in International phone

Downloads Magisk Modules

ATT_CSC_S24_Module.zip

TMB_CSC_S24_Module.zip

VZW_CSC_S24_Module.zip

Instructions

Go through setup. It may take a few minutes to acquire signal

Get magisk setup and install above module

Now setup carrier features like wifi calling etc

If you have verizon to get VVM app working the module will place a vvm.apk on your internal storage plus as a system app you must manually install the vvm.apk on internal storage as a user app for it to function properly.

Fix And Enhance Signal

Use caution when messing in service menu!!

Open phone app and in dialer enter service menu *#73#

On choices choose #1 BAND SELECTION

Then go to 3 dots menu and press back 4 times

Then press #1 PROTOCOL STATE

Then press #6 PROTOCOL SIMULATION

Then press #2 IMEI PRE CFG SIMULATION

Press #1 AP then select VZW Or Your Carrier

Then press #2 NET1 set to VZW Or Your Carrier

Then press #3 NET2 set to VZW Or Your Carrier

Then press #4 WRITE

Then power off phone after 5 to 10 seconds and give a try

Unlocking Bootloader

Step 1 - Enable OEM unlocking​

Open the Settings app on your Galaxy S23.

Navigate to About phone > Software information.

Now tap on Build number section seven times to enable the developer options.

Go back to the main page of the Settings app.

Locate the new Developer options section and open it.

Enable the toggle next to OEM unlocking

Step 2 - Unlock the bootloader of your phone​

Turn off the phone, press and hold both volume up and volume down buttons simultaneously, and connect the device to your PC/Mac using the USB cable.

Release the buttons when you see the warning about custom OS appear.

Press the volume up key once to boot into Download Mode. At this stage, you should see an option to unlock the bootloader.

Now, press and hold the volume up button for a few seconds, and the bootloader unlocking wizard will begin.

Use the volume up button to confirm the unlocking process.

To reiterate, this step will wipe all the data on your phone, so make sure you back up your data before proceeding.

Once completed, your device will automatically boot up to the OS.

Change Log:

AXB5 - Initial Build

AXBN - Current Build

Rom Status:

Stable

Thanks To People That Make My Life Easier

@klabit87

@afaneh92

@sac23

TWRP Device Tree -- Ungeskriptet

Kernel Source

KernelSu Source

Magisk Source

Userdata_AIO Source