[Samsung Galaxy S23 Ultra] jrkruse:
This Is Moddified Firmware For S918B International Model It Contains US CSC files. Flashing This Firmware Requires An Unlocked Bootloader. Full Odin Firmware Is Rev 3 Bootloader.

Warnings Please Read Before Proceeding!!!

Supported device is SM-S918B & SM-S918B/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 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!

​

Features

System RW F2FS No Encryption

Odin Flashable

Slight Debloat Stock Rom

Knox and Vaultkeeper Removed

Patched Bluetooth & Watch

Choose Your Root Preference

​

Downloads

S918BXXU3CXCF_SYSTEM_RW_F2FS_NO_ENCRYPTION.7z

Odin3_v3.14.1_3B_PatcheD.zip

Change Log

v1-- Initial build

Instructions

Bootloader must be unlocked. See Unlocking Bootloader below

There are 2 USERDATA_AIO files a force wipe and a no wipe one

The force wipe on must be used on a totally stock rom that has not had encryption removed as formatting of data is required

When flashing firmware use the regular csc with the force wipe userdata aio.

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

Flash Firmware In appropriate slots

Flash USERDATA_AIO in Userdata slot in odin

Phone will automatically reboot to Twrp several times

Ignore Errors on Twrp flash screen they are normal

Once phone boots back to TWRP 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_13_5_15_123.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

Format data if first time installing on stock rom with encrypted data

Verizon users will need to use this VZW_CSC_S23_Module.zip magisk module to be able to use wificalling and mobile hotspot. Install after magisk is setup. Install the visual voice mail apk (vvm.apk) that will be on your internal storage after you flash the module manually install it as a user app for visual voice mail to function

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.

Thanks To People That Make My Life Easier

@klabit87

@afaneh92

@sac23

Twrp Source

Kernel Source

KernelSu Source

Magisk Source

Userdata_AIO Source