How to Flash One UI 8 ROMs on Galaxy S23 Ultra
In this guide, we will show you the steps to install various One UI 8 Android 16 based ROMs onto your Galaxy S23 Ultra. So without any further ado, let’s get started.
- How to Flash AstroROM One UI 8 Android 16 on Galaxy S23 Ultra
- Features of AstroROM One UI 8 AI Camera Features CSC Features Pixel-Exclusive Features Miscellaneous Features Download AstroROM One UI 8 Android 16 for Galaxy S23 Ultra How to Flash AstroROM One UI 8 Android 16 on Galaxy S23 Ultra Via TWRP Via TWRP Sideload Via OrangeFox Via OrangeFox Sideload Via TWRP+BL File
- How to Flash Evolution X One UI 8 Android 16 on Galaxy S23 Ultra
- How to Flash Project Infinity X One UI 8 Android 16 on Galaxy S23 Ultra
How to Flash AstroROM One UI 8 Android 16 on Galaxy S23 Ultra

Before flashing, please take a complete device backup. Droidwin and its members wouldn’t be held responsible in case of a thermonuclear war, your alarm doesn’t wake you up, or if anything happens to your device and data by performing the below steps. Now that’s out of the way, let’s make you aware of the features of this ROM.
Features of AstroROM One UI 8
Here are all the noteworthy features of the One UI 8 Android 16 based AstroROM that you are about to come across once you flash it onto your Galaxy S23 Ultra.
AI
Audio eraser Best face Browsing assist Call assist Drawing assist Interpreter Note assist Health assist Now brief Photo assist Edit suggestions Semantic search Transcript assist Writing assist
Camera Features
• 4k/120FPS Videos support • LOG Video Support • Zoom slider from S25 Ultra • All S25 Ultra camera assistant features like distortion correction, adapter correction Anamorphic lens, etc.
CSC Features
• Network speed Meter • AppLock support • Data usage display on the notification shade • Firewall • App blocker and permission manager • AltZlife • Native call recording • And many more…
Pixel-Exclusive Features
• Spoofed as Pixel 10 Pro XL to all Google apps • Pixel apps AI support • Google Photos with unlimited original quality storage • All Pixel-exclusive features available • AI on Notes, Photos, etc. apps.
Miscellaneous Features
• All flagship features • Battery health and charging cycles in Settings • Multiuser support enabled • Adaptive color tone • Outdoor mode • Custom font support • Official status in device information • Heavily debloated • Bluetooth library patched • Smart Manager CN • Samsung encryption removed • Fixed Knox apps (Secure Folder, Samsung Health, Private Share, and more) • Disabled secure screenshot detection • Fixed SmartView
Download AstroROM One UI 8 Android 16 for Galaxy S23 Ultra
You may now get hold of the ROM file from below
DOWNLOAD LINK
[Credits: XDA Senior Member Sameer Al Sahab]
How to Flash AstroROM One UI 8 Android 16 on Galaxy S23 Ultra
We are listing here four different flashing methods. Refer to the one that is in sync with your requirement. Please take a complete device backup before opting for any of these methods.
Via TWRP
- Download TWRP Recovery for your device from here .
- Now install it using this guide and boot your device to it.
- From TWRP, go to Wipe > Format Data > YES > check it.
- Now transfer the ROM ZIP file to your device and flash it.
- Once again, go to Wipe > Format Data > YES > checkmark.
- Finally, go to Reboot > System to boot to AstroROM One UI 8.
Via TWRP Sideload
- Download TWRP Recovery for your device from here .
- Now install it using this guide and boot your device to it.
- From TWRP, go to Wipe > Format Data > YES > check it.
- Next up, go to Advanced > ADB Sideload > swipe to start it.
- Now transfer the ROM ZIP file to the platform-tools folder.
- Then rename it to rom.zip. Now open CMD there and type: adb sideload rom.zip
- Once done, go to Wipe > Format Data > YES > checkmark.
- Finally, go to Reboot > System to boot to AstroROM One UI 8.
Via OrangeFox
- Download OrangeFox Recovery for your device from here .
- Now install it using this guide and boot your device to it.
- From OrangeFox, go to Wipe > Format Data > YES > check.
- Now transfer the ROM ZIP file to your device and flash it.
- Once again, go to Wipe > Format Data > YES > checkmark.
- Finally, go to Reboot > System to boot to AstroROM One UI 8.
Via OrangeFox Sideload
- Download TWRP Recovery for your device from here .
- Now install it using this guide and boot your device to it.
- From TWRP, go to Wipe > Format Data > YES > check it.
- Next up, go to Advanced > ADB Sideload > swipe to start it.
- Now transfer the ROM ZIP file to the platform-tools folder.
- Then rename it to rom.zip. Now open CMD there and type: adb sideload rom.zip
- Once done, go to Wipe > Format Data > YES > checkmark.
- Finally, go to Reboot > System to boot to AstroROM One UI 8.
Via TWRP+BL File
This method should be used if you’re getting the following error when flashing the ROM via TWRP: Updater process ended with Error 1. Can’t mount /optics or /prism .
- To begin with, download the BL file from below: BL_S918B_UI_7_KEEP_OEM_UNLOCK_UI_8.tar
- Then flash it via Odin along with the rest of the files as explained in this guide .
- From TWRP , go to Wipe > Format Data > YES > check it.
- Now transfer the ROM ZIP file to your device and flash it.
- Once again, go to Wipe > Format Data > YES > checkmark.
- Finally, go to Reboot > System to boot to AstroROM One UI 8.
How to Flash Evolution X One UI 8 Android 16 on Galaxy S23 Ultra
Before flashing, please take a complete device backup. Droidwin and its members wouldn’t be held responsible in case of a thermonuclear war, your alarm doesn’t wake you up, or if anything happens to your device and data by performing the below steps. Now that’s out of the way, let’s make you aware of the features of this ROM.
- Download the TWRP Recovery for your device from here .
- Now install it using this guide and boot your device to it.
- From TWRP, go to Wipe > Format Data > YES > check it.
- Now transfer the ROM ZIP file to your device and flash it.
- Once again, go to Wipe > Format Data > YES > checkmark.
- Finally, go to Reboot > System to boot to Evolution X ROM.
How to Flash Project Infinity X One UI 8 Android 16 on Galaxy S23 Ultra
Before flashing, please take a complete device backup. Droidwin and its members wouldn’t be held responsible in case of a thermonuclear war, your alarm doesn’t wake you up, or if anything happens to your device and data by performing the below steps. Now that’s out of the way, let’s make you aware of the features of this ROM.
- Download the TWRP Recovery for your device from here .
- Now install it using this guide and boot your device to it.
- From TWRP, go to Wipe > Format Data > YES > check it.
- Now transfer the ROM ZIP file to your device and flash it.
- Once again, go to Wipe > Format Data > YES > checkmark.
- Finally, go to Reboot > System to boot to Project Infinity X.
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