Samsung Galaxy S23 Ultra (USA unlocked) official device image

Download Samsung Galaxy S23 Ultra (USA unlocked) Firmware (S918U1UEU7FZE2/S918U1OYM7FZE2/S918U1UEU7FZE2)

Brand Samsung
Codename sm-s918u1
Version S918U1UEU7FZE2/S918U1OYM7FZE2/S918U1UEU7FZE2
Region LRA
Branch LRA
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What's New

One UI 8.5

Visual design

Fresh new look
One UI seamlessly integrates into your daily routine by combining immersive visuals with meaningful personalization for a more refined and sophisticated design. Transparent blur effects add depth and make content easier to navigate, while floating elements react organically to your workflow for a more focused experience. Through familiar and intuitive data visualization, One UI delivers a design that feels both personal and relatable, helping you focus on what matters.

Galaxy AI

Continuous image generation
Keep creating without stopping. Photo Assist now lets you generate AI images using different features from the results screen without saving each iteration. When you’re done, you can review all your creations in your history and pick your favorites.

Bixby

Smarter device control
Talk to Bixby in your own words. Bixby is now better at finding the setting or feature you need, even if you don’t use exact commands or feature names. Just say what you need and let Bixby do the rest.

Ask anything, anytime
Whether you need a quick answer or detailed information, just ask Bixby for an instant response. There's no need to spend time on multiple searches or switching between apps.

Conversation history
Looking back at past conversations with Bixby is easier than ever. You can now access your conversation history from the side panel in the Bixby app.

Camera

New portrait filters
Three new filters are available to add vibrant film-like effects to your pictures.

Home and Lock screens

Automatic Lock screen layout
Wallpapers with pictures of people or pets now fit perfectly every time. When you choose a photo for your Lock screen, the photo will automatically be adjusted to best fit your clock and widget layout.

New downloadable wallpapers
Discover new wallpapers featuring interactive elements. Wallpapers are downloadable so they don’t use up your storage space when not in use.

More customizable clock fonts
Personalize your Lock screen clock. You can now adjust the thickness of more font styles to match your preferred look.

Weather

Enhanced weather widget
Quickly check upcoming precipitation in the Weather widget on your Home screen. The widget now shows a graph if precipitation is expected in the next few hours.

Pollen index
Check how much pollen is in the air to help manage your allergies. You can check pollen levels for trees, grass, and ragweed.

Communication

Direct voicemail
Can't answer right now? Let callers record a voice message directly on your phone that you can listen to later. The message will appear on your screen as it’s being recorded so you can answer at any time.

Clock

Weather alarm backgrounds
Wake up to an alarm that gets you ready for the day’s weather. Your alarm screen can now show the current weather conditions as a background when it rings.

Time zone converter
Compare time zones at a glance. The new slider in the Clock app makes it easy to check the time difference between places around the world.

Connectivity

Storage Share
Access your files anywhere. Files from your other Samsung phones, tablets, and PCs are available in the My Files app on your phone. You can also access your phone's files on other Samsung devices, even your TV.

Auto Hotspot
Share your phone's internet connection more easily. You can now share your hotspot with your Samsung account family group, or create your own hotspot sharing group with anyone you choose.

Family device sharing
Easily connect and share files, screens, cameras, storage and more with your family. Family device sharing lets you use features like Quick Share, Camera Share, Storage Share, Auto Hotspot, and Multi control with Galaxy devices that belong to your family members.

Quickly connect to Smart View devices
Connect to your favorite display faster. You can now add a shortcut on your Home screen to instantly mirror your phone’s screen to a TV or other display device.

Enhanced Auracast features
It’s easier than ever to listen to and broadcast sound with Auracast. Options for both broadcasting and listening are now located in the Audio broadcast menu in Settings.

Voice broadcasts
Broadcast your voice to people around you with Auracast. In addition to media sound, you can now broadcast your voice using your phone’s built-in microphone.

Quick Share

Avoid unwanted sharing requests
You can now set Quick Share to only receive files from other devices signed in to your Samsung account or Google account.

Samsung Health

Enhanced weekly reports
See a fuller picture of your health each week. Weekly reports now include data from your medication tracker and mindfulness sessions.

Upgraded sharing experience
Share your workouts your way. Mix and match your exercise stats with photos from your workout to create the perfect social media post.

Start meditations from your watch
Find calm right from your wrist. You can now start favorite or recommended meditations directly on your Galaxy Watch ...

Android Version

N/A

File Size

2.58 GB

Release Date

May 01, 2026

Flash Method

Odin

Download ROM

Available
File Size: 2.58 GB

Mirror Downloads (1)

1 mirror(s) available • Click any button to download
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Verification & Details

Package Name:

S918U1UEU7FZE2

How to Flash Odin on Samsung Galaxy S23 Ultra (USA unlocked)

Please follow these steps carefully to install the S918U1UEU7FZE2/S918U1OYM7FZE2/S918U1UEU7FZE2 update safely. Ensure your device has at least 60% battery.

  1. Download the S918U1UEU7FZE2/S918U1OYM7FZE2/S918U1UEU7FZE2 Recovery ROM (.zip file).
  2. Transfer the file to the internal storage root directory of your Samsung Galaxy S23 Ultra (USA unlocked).
  3. Navigate to Settings > About Phone > System Update.
  4. Tap the OS logo 10 times to enable advanced features.
  5. Tap the top-right menu icon and select 'Choose update package'.
  6. Select the downloaded zip file and wait for the automated installation to complete.
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