Snapdragon variant of SM-S916BXXX Galaxy S23 Plus finally gets TWRP, a custom recovery that lets you flash 3rd party firmwares.
You will also need to install USERDATA AIO script which will make System, System_Ext, System_Dlkm and Product partitions Ext4 RW writeable.
Unzip to get firmware files
Any file with a .7z file extension must be unzipped to use
S9**BXXU8*_FULL_STOCK_*_FIRMWARE.7z– This is the firmware
USERDATA_AIO_S9**B_FORCE_WIPE_RO_RW_NO_ENCRYPTION — Will Wipe Internal Storage
USERDATA_AIO_S9**B_NO_WIPE_RO_RW_NO_ENCRYPTION — Will Not Wipe Internal Storage
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.
Odin is provided above for download if you don’t have it
All slots in Odin must have a file loaded in them
Use appropriate CSC with correct Userdata_AIO
Regular CSC must use a USERDATA_AIO_*_FORCE_WIPE
HOME_CSC must use a USERDATA_AIO_*_NO_WIPE.
Phone will reboot automatically to TWRP 2 times.
When S23 Plus phone stops on TWRP this is where you will have to choose what you want
Under Advanced Settings you will see options.
Now, we will finally install TWRP.
1) Download the three files OrangeFoxXXX.tar, OrangeFoxXXX.img and OrangeFoxXXX.zip (attached to OP). Save files to the phone’s internal memory.
2) Turn off the phone.
3) Reboot into TWRP Recovery via the combo Phone Off + USB TYPE C cable connected to PC + Power Off Button + Volume Up Button.
4) Once TWRP is loaded, press Install.
5) Find the file OrangeFoxXXX.zip.
6) Flash Orange Fox Recovery.
7) Once finished return to the TWRP main menu.
8) At the end go to the advanced restart menu of TWRP and restart in Recovery mod.
9) Orange Fox should be loaded.
10) Reboot to the system.