Samsung Galaxy S25 Ultra 512GB Unlocked Smartphone – Titanium Black, SM-S938UZKEXAA

Product Overview

The Samsung Galaxy S25 Ultra is a flagship Android smartphone introduced in 2025 as part of Samsung’s Galaxy S25 series. The configuration documented here is the U.S. factory-unlocked Titanium Black version with 12GB of memory and 512GB of internal storage. Its manufacturer part number is SM-S938UZKEXAA, and its retail barcode is UPC 887276916576.

The phone uses a 6.9-inch QHD+ Dynamic AMOLED 2X display with an adaptive refresh rate ranging from 1 to 120Hz. Processing is handled by the Snapdragon 8 Elite for Galaxy platform. The rear camera system combines a 200MP wide camera, 50MP ultra-wide camera, 50MP 5x telephoto camera, and 10MP 3x telephoto camera, while the front camera uses a 12MP sensor.

A 5,000mAh typical-capacity battery supports wired fast charging, wireless charging, and Wireless PowerShare. The chassis incorporates a titanium frame, Corning Gorilla Armor 2 display protection, IP68-rated water and dust resistance, and an integrated S Pen. The phone launched with Android 15 and Samsung One UI 7, while subsequent Samsung software releases have continued to update the Galaxy S25 series.

Product Information

Identification

Physical

Memory and Storage

Product Identifier Summary

Smartphone identifiers help distinguish storage capacities, colors, carrier variants, and regional hardware. This is especially important within the Galaxy S25 Ultra family because closely related configurations use different manufacturer part numbers.

• Model Number: The model number identifies the hardware and regional family. SM-S938U1 is associated with the U.S. unlocked Galaxy S25 Ultra platform.
• MPN: The Manufacturer Part Number identifies the specific storage, color, and sales configuration. SM-S938UZKEXAA corresponds to the U.S. unlocked 512GB Titanium Black configuration.
• UPC: A Universal Product Code is a standardized 12-digit barcode used for retail identification and inventory management.
• EAN: EAN is an international barcode format within the GTIN system. A separate EAN is omitted because an independently verified EAN for this U.S. configuration was not established.
• GTIN: The Global Trade Item Number system provides standardized product identification. A UPC is one form of GTIN and can be represented as GTIN-12.
• ASIN: The ASIN identifies the specific online catalog record associated with this 512GB Titanium Black configuration.
• ISBN: ISBN identifiers apply to books and publications and are not applicable to smartphones.

Common Uses

The Galaxy S25 Ultra combines mobile communication, computing, photography, stylus input, navigation, and multimedia functions in a single handheld device. Its large display and integrated S Pen also support tasks that extend beyond ordinary phone use.

• Voice calls, text messaging, and video communication.
• 5G and LTE mobile internet access on compatible networks.
• Mobile photography and high-resolution video recording.
• Web browsing, email, and productivity applications.
• Handwritten notes, annotations, and drawing with the integrated S Pen.
• Navigation using satellite positioning services.
• Streaming video, music, and other digital media.
• Mobile gaming and graphics-intensive applications.
• Contactless services using NFC where supported.
• Connecting to compatible displays and desktop environments through Samsung DeX.
• Using Galaxy AI and supported Android artificial-intelligence features.

Maintenance & Care

Routine smartphone care includes protecting the display, battery, charging port, cameras, S Pen compartment, and software environment. Samsung also provides system-maintenance and device-care functions within One UI.

• Clean the exterior with a soft, lint-free cloth.
• Avoid abrasive cleaning materials that can damage surface coatings.
• Keep the USB-C port free of lint, debris, and moisture.
• Do not insert sharp or metallic objects into the charging port or S Pen compartment.
• Keep camera lenses clean using an appropriate non-abrasive cloth.
• Install Samsung security and software updates when available for the device.
• Back up important data using Samsung, Google, computer, or other compatible backup systems.
• Avoid prolonged exposure to extreme heat because elevated temperatures can accelerate battery degradation.
• Allow the charging port to dry before connecting a cable after moisture exposure.
• Return the S Pen to its integrated storage slot when it is not being used.

Safety Information

The Galaxy S25 Ultra contains a non-removable rechargeable lithium-ion battery and sensitive electronic components. Samsung’s current device and battery safety instructions should be followed during charging, storage, and operation.

• Do not puncture, crush, burn, or disassemble the battery.
• Stop using a device showing battery swelling, severe overheating, or significant physical damage.
• Use compatible charging equipment and undamaged USB cables.
• Do not charge the phone through a wet USB-C port.
• Keep the device away from open flames and excessive heat.
• IP68 resistance is based on controlled test conditions and does not make the phone permanently waterproof.
• Water and dust resistance can decrease after physical damage or normal wear.
• Follow airline rules for lithium-battery electronic devices during travel.
• Avoid prolonged listening at unsafe audio levels.

Technical Specifications

Product History

Samsung announced the Galaxy S25 series on January 22, 2025. The lineup included the Galaxy S25, Galaxy S25+, and Galaxy S25 Ultra, with general U.S. availability beginning February 7, 2025.

The Galaxy S25 Ultra succeeded the Galaxy S24 Ultra. Major hardware changes included a larger 6.9-inch display, a thinner and lighter enclosure, the Snapdragon 8 Elite for Galaxy processor, Gorilla Armor 2, and a 50MP ultra-wide camera replacing the previous generation’s lower-resolution ultra-wide sensor.

The Galaxy S25 Ultra launched with One UI 7 based on Android 15 and an expanded set of Galaxy AI functions. Samsung subsequently released newer One UI generations for the Galaxy S25 family through its regular software-update program.

The Galaxy S26 series was unveiled in February 2026, making it the succeeding numbered Galaxy S generation. The S25 Ultra remains a separate model with its own accessories, dimensions, firmware, and service documentation.

Key Features

• Snapdragon 8 Elite for Galaxy processor.
• 12GB RAM and 512GB internal storage in this configuration.
• 6.9-inch QHD+ Dynamic AMOLED 2X display.
• Adaptive refresh rate from 1 to 120Hz.
• 200MP primary rear camera.
• 50MP ultra-wide camera.
• 50MP 5x telephoto camera.
• 10MP 3x telephoto camera.
• 12MP front-facing camera.
• Integrated S Pen.
• Titanium frame.
• Corning Gorilla Armor 2 display protection.
• IP68-rated water and dust resistance.
• 5,000mAh typical battery capacity.
• 45W compatible wired charging.
• Wireless charging and Wireless PowerShare.
• Wi-Fi 7 and Bluetooth connectivity.
• Samsung DeX support.
• Galaxy AI features integrated with One UI.

Package Contents

• Samsung Galaxy S25 Ultra smartphone.
• Integrated S Pen.
• USB-C cable.

A wall power adapter is not included with Samsung’s standard current Galaxy smartphone packaging and must come from compatible existing equipment or another source.

Compatibility

SM-S938UZKEXAA is the U.S. unlocked 512GB Galaxy S25 Ultra configuration. Unlocked status provides broader carrier flexibility, but activation and individual network features remain subject to carrier requirements.

• Designed for compatible U.S. 5G and LTE networks.
• Supports physical nano-SIM and eSIM functionality where provided by the carrier.
• Carrier features such as Wi-Fi Calling, visual voicemail, and particular 5G modes depend on network provisioning.
• Compatible with USB-C charging and data accessories using supported standards.
• Supports compatible wireless charging equipment.
• Compatible with Bluetooth headphones, speakers, keyboards, watches, and other supported peripherals.
• Works with Samsung Galaxy Watch and Galaxy Buds products subject to software requirements.
• Supports Samsung DeX with compatible displays and accessories.
• Uses Galaxy S25 Ultra-specific fitted cases and screen accessories because physical dimensions differ from earlier Ultra models.
• Does not include a microSD memory-card slot.

Frequently Asked Questions

What phone is B0DP3G4GVQ?

B0DP3G4GVQ corresponds to the Samsung Galaxy S25 Ultra 512GB unlocked U.S. smartphone in Titanium Black.

What is the exact model number?

The U.S. unlocked hardware family is SM-S938U1. The complete manufacturer part number for the 512GB Titanium Black configuration is SM-S938UZKEXAA.

What UPC identifies this configuration?

The verified UPC for SM-S938UZKEXAA is 887276916576.

Is this phone factory unlocked?

Yes. This configuration is sold as a U.S. unlocked Galaxy S25 Ultra rather than a carrier-specific model.

Does unlocked mean it works with every carrier?

Not automatically. Carrier activation depends on network compatibility, account eligibility, SIM or eSIM provisioning, and the carrier’s current device policies.

Is this the 256GB or 512GB version?

This exact configuration contains 512GB of internal storage. Samsung also produced 256GB and 1TB Galaxy S25 Ultra configurations.

How much RAM does it have?

The U.S. Galaxy S25 Ultra configuration uses 12GB of RAM.

Can the storage be expanded with a microSD card?

No. The Galaxy S25 Ultra does not provide a microSD memory-card slot, so local storage capacity cannot be expanded through a removable memory card.

Does the Galaxy S25 Ultra include an S Pen?

Yes. An S Pen is integrated into the phone’s chassis and can be stored in its dedicated internal slot.

Does the S25 Ultra S Pen have Bluetooth Air Actions?

No. The S Pen supplied with the Galaxy S25 Ultra does not use the Bluetooth remote-control functions available on some earlier Galaxy Ultra S Pens.

Does it have a headphone jack?

No conventional 3.5 mm headphone jack is included. Wired headphones require a compatible USB-C connection or adapter.

Can Bluetooth headphones be used?

Yes. The phone supports compatible Bluetooth headphones, earbuds, speakers, and other wireless audio devices.

Does it support wireless charging?

Yes. Samsung supports Fast Wireless Charging 2.0 on the Galaxy S25 Ultra with compatible charging equipment.

Can it charge another device wirelessly?

Yes. Wireless PowerShare allows compatible devices to receive power from the back of the Galaxy S25 Ultra.

Is a 45W charger included?

No wall charger is included in the standard package. A compatible charger is required to use the phone’s supported wired fast-charging capability.

Is the Galaxy S25 Ultra waterproof?

No smartphone should be regarded as permanently waterproof. The Galaxy S25 Ultra carries an IP68 water- and dust-resistance rating under specified laboratory conditions.

Can it record 8K video?

Yes. The rear camera system supports video capture at up to 8K resolution and 30 frames per second in supported modes.

Does the Galaxy S25 Ultra have optical zoom?

Yes. Separate telephoto cameras provide 3x and 5x optical zoom capabilities.

What is the 100x zoom feature?

The phone supports digital zoom up to 100x. Digital zoom relies on sensor data and image processing and is different from the dedicated 3x and 5x optical telephoto focal lengths.

Does it support Samsung DeX?

Yes. Samsung DeX can provide a desktop-style interface when the phone is connected to compatible display equipment.

Does it support Wi-Fi 7?

Yes. Wi-Fi 7 connectivity is supported when the phone is used with compatible network equipment and regulatory conditions.

What operating system did it originally ship with?

The Galaxy S25 Ultra launched with Android 15 and Samsung One UI 7. The installed software version can be newer on devices that have received subsequent system updates.

How long will Samsung provide software updates?

Samsung announced seven generations of operating-system upgrades and seven years of security updates for the Galaxy S25 series, subject to its applicable update policies and schedules.

Does it have a U.S. manufacturer warranty?

This configuration is identified as the U.S. model and is covered by Samsung’s applicable U.S. limited warranty when eligibility requirements are met. The product listing identifies a one-year manufacturer warranty.

Does a Galaxy S24 Ultra case fit the Galaxy S25 Ultra?

A fitted S24 Ultra case should not be assumed compatible. The Galaxy S25 Ultra uses different dimensions and a revised body shape, so fitted accessories should be designed for the S25 Ultra.

How can I confirm the model on the phone itself?

The model number can be checked in the device’s Settings menu under the About phone section. Packaging and regulatory labels can also contain the model information.

Buying Considerations

Accurate configuration identification is important because Galaxy S25 Ultra models differ by storage size, color, carrier status, and sales region. SM-S938UZKEXAA identifies the specific U.S. unlocked 512GB Titanium Black version documented here.

• Confirm the complete manufacturer part number when comparing similar Galaxy S25 Ultra configurations.
• Verify that 512GB of non-expandable storage meets expected long-term storage needs.
• Check carrier compatibility and feature support before activation.
• Account for the absence of a wall charger in standard packaging.
• Use accessories specifically designed for the Galaxy S25 Ultra.
• Do not assume older Galaxy Ultra S Pen Bluetooth features are present on the S25 Ultra S Pen.
• Consider the phone’s 218-gram weight and 6.9-inch display when evaluating physical handling requirements.
• Use the UPC and MPN to distinguish this configuration from carrier-specific or differently colored versions.
• Check Samsung’s current warranty and service eligibility using the device serial number or IMEI when coverage is important.

Customer Feedback Summary

This section summarizes recurring themes found across publicly available owner feedback and independent product evaluations. These observations represent generalized user experiences and are not verified technical specifications.

Positive feedback commonly centers on display quality, overall responsiveness, camera versatility, battery endurance, and the performance of the Snapdragon 8 Elite for Galaxy processor. Users frequently mention the large screen as useful for media, multitasking, editing photos, reading, and S Pen input.

The camera system is another recurring positive theme. Public discussions often highlight the 200MP main camera, 5x telephoto camera, improved ultra-wide camera, and broad range of available focal lengths. Owners also commonly mention the titanium construction and flatter, more rounded physical design compared with the previous Ultra generation.

Reported limitations include the device’s large physical footprint and relatively high weight compared with smaller smartphones. Some users also consider the Galaxy AI and One UI feature set complex because the number of settings and available functions can require time to learn.

The change to the S Pen receives mixed feedback. Users who primarily use the stylus for handwriting and drawing generally retain the core pen functions, while people who previously used Bluetooth-based remote S Pen controls may view their removal as a limitation. Camera processing preferences also vary, with some users preferring less automated sharpening, color adjustment, or computational processing in certain scenes.

Related Products

• Samsung Galaxy S25 5G.
• Samsung Galaxy S25+ 5G.
• Samsung Galaxy S25 Ultra 256GB.
• Samsung Galaxy S25 Ultra 1TB.
• Samsung Galaxy S24 Ultra.
• Samsung Galaxy S26 Ultra.
• Samsung Galaxy Buds series wireless earbuds.
• Samsung Galaxy Watch series smartwatches.
• Galaxy S25 Ultra-compatible cases and screen protectors.
• Samsung USB-C and wireless charging accessories.

Last Updated

August 9, 2026