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Samsung Galaxy S25 Ultra in Silverblue with titanium frame and rounded corners

SAMSUNG

SAMSUNG Galaxy S25 Ultra 5G S938B 512GB 12GB Dual SIM Unlocked - Silverblue cell phones - unlocked

SKU CH-EXNX-RB730

A 6.9-inch Android smartphone with 512GB storage, 12GB RAM, a 200MP quad-camera system and dual-SIM 5G support

  • Storage drive512 GB
  • Operating systemAndroid
  • Technology typeGSM / HSPA / LTE
  • Main screen size6.1 in (15.5 cm)
  • RAM capacity12 GB
  • Product colorSilverblue
  • Massive 512 GB storage holds apps and media
  • 12 GB RAM keeps multitasking smooth
  • 9 inch display with 92.5% screen-to-body ratio
  • 200 MP main camera captures high-resolution detail
  • Snapdragon 8 Elite chip powers AI performance

Unlocked 5G smartphone with 512GB storage

The Galaxy S25 Ultra is an unlocked GSM handset with 12GB RAM and 512GB internal storage. It runs Android 15 with One UI 7 and is powered by the Snapdragon 8 Elite chipset. Dual SIM support lets you manage two numbers on one device.

AI camera system and mDNIe display optimisation

A quad-camera array combines a 200MP main sensor with 50MP, 50MP and 10MP modules for 3x and 5x optical zoom plus 2x and 10x optical-quality zoom. Galaxy AI enhances colour and detail through the Super Vision Engine. The mDNIe display technology optimises applications to extend battery life during video playback.

Buyers needing expandable storage

The handset offers no microSD slot, so the 512GB capacity cannot be increased after purchase. The main display measures 6.9 inches with a 92.5% screen-to-body ratio, which may not suit users who prefer a more compact form factor.

How it compares

Measured against everything we stock in Unlocked Smartphones, at today’s prices. Recalculated every night.

Price $771.99
Pricier than about 90% of the 2,409 comparable items (median $168.99).
Storage drive 512 GB
Higher than about 90% of the 1,888 comparable items (median 128 GB).

Specifications

Product
Brand nameSamsung
Product colorSilverblue
Memory
RAM capacity12 GB
Storage
Storage drive512 GB
Display
Main screen size6.1 in (15.5 cm)
Connectivity
Technology typeGSM / HSPA / LTE
Software
Operating systemAndroid

Questions about this item

Will the 512 GB storage ever need to be expanded or replaced?

The 512 GB internal storage is fixed and cannot be upgraded; if you fill it you must offload files to cloud or a computer rather than add a larger module.

What limits the Snapdragon 8 Elite during prolonged heavy workloads?

Sustained performance is capped by the phone’s thermal envelope; the chip throttles once the titanium frame and vapour chamber can no longer dissipate heat fast enough.

How loud or hot does the 6.9 inch display area get when the phone runs all day?

The display itself stays silent; the rear chassis near the camera module becomes noticeably warm during continuous 4K recording or gaming, but surface temperatures remain within normal operating limits.

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