Samsung

Galaxy S25 Ultra

Galaxy S25 Ultra long-term review: everyday use, performance and reliability.

Multiple independent reports of complete freezes, black screens, random.

📅 ReleasedQ1 2025

⏱ EvidencePublic sources

🛡 StatusDocumented Critical Pattern

🤖 OSAndroid 15

⬆ Final AndroidSeven Android generations promised

SatelliteCarrier-dependent — does not provide sufficient freedom or independence for Future Phone classification

BUILD QUALITY Exceptional Model and regional variant dependent

Internet Reliability Verdict

5.9

Poor

Public-source investigation; not internal long-term testing.

⚠ Documented critical stability pattern

✓

Green ScoreTechnical advantages

9.7

◎

User Data ScoreValidated public reports

5.9

Internal Phone RelyScoreNot internally tested

N/A

⚠ Critical Internet Status

The hardware is outstanding, but the documented critical stability pattern now outweighs its premium technical strengths in the Internet Reliability Verdict.

After two years, the long-term assessment places greater emphasis on sustained performance, usability and how the device behaves well beyond launch.

Complete freeze / black screenRepeated model-specific reports

Random restart / shutdownRepeated independent reports

Persistence after recovery attemptsReported after reset / reinstall in some cases

Score Range

9.5–10.0Exceptional

9.0–9.4Outstanding

8.5–8.9Excellent

8.0–8.4Very Good

7.0–7.9Good

6.0–6.9Fair

Under 6.0Poor

What Matters Most Complete practical evaluation

GPS Signal• Under investigation

Signal & Connectivity• Good

Hotspot Stability• See details

Display Quality• Exceptional

Audio QualityExcellent• Excellent

Touch ExperienceGood• Good

Call & Audio Quality• Good

GPS & NavigationNo documented critical pattern• Excellent

Performance (AnTuTu)Approx. 2.3–2.6 million (v10, source-dependent)• See details

Peak BrightnessExceptional• Exceptional

Battery Capacity5000 mAh• 5000 mAh

Charging Speed45 W• 45 W

Heat Management• Good

Macro LensModel-dependent• Model-dependent

Zoom TypeOptical telephoto• Optical telephoto

Low-Light Photos• Excellent

Daylight Photos• Exceptional

Back Cover QualityExceptional• Exceptional

Long-term Test Timeline

LaunchInitial ownership evidence
1–3 MonthsEarly owner reports reviewed
3–6 MonthsCritical-failure searches expanded
CurrentSoftware and long-term reports assessed
DecisionInternet Reliability Verdict: 5.9 / 10 — Poor

Used For Rating out of 5

🎮 Gaming★★★★☆4.5 / 5

🎬 Movies & Video★★★★★4.5 / 5

🎵 Music & Audio★★★★★4.5 / 5

📲 Social Media★★★★☆4.5 / 5

✅ Productivity★★★★☆4.5 / 5

📷 Photography★★★★☆5.0 / 5

🧭 Navigation★★★★☆4.5 / 5

📡 Hotspot TestNo documented critical pattern

How to read these ratings: “Used For” scores are a combined real-world assessment of this phone in its own intended category, price level and practical role. They must not be used as direct performance comparisons with specialist phones from other classes, such as dedicated gaming phones.

Key Specifications Test unit

▣ Display6.9-inch Dynamic AMOLED 2X, 120 Hz

◉ Front Camera12 MP

▧ Resolution3120 × 1440

▤ Battery5000 mAh

☀ Brightness (peak)Exceptional

ϟ Fast Charging45 W

⚙ ProcessorSnapdragon 8 Elite for Galaxy

⚡ AnTuTu BenchmarkApprox. 2.3–2.6 million (v10, source-dependent)

◫ OS at testAndroid 15

↻ Expected final OSSeven Android generations promised

▦ RAM12 GB

▦ Storage256 GB–1 TB

▣ Rear Camera200 MP + 50 MP ultra-wide + 50 MP 5× telephoto + 10 MP 3× telephoto

↻ Android UpdatesManufacturer support policy

◈ Security UpdatesManufacturer security policy

◈ Water & DustIP68

◆ Military StandardNot applicable

▥ SIMDual SIM / eSIM

◌ eSIMYes

Extended Memory Card (microSD)No

◉ NFCYes

◉ 3.5 mm jackNo

Satellite communicationCarrier-dependent — does not provide sufficient freedom or independence for Future Phone classification

SpeakerStereo

Screen Size6.9"

Brightness2768 nits

Battery5000 mAh

Charging Speed45W

Performance / AnTuTu2.3–2.6 million

External MemoryNo

Dual SIMYes

eSIMYes

Display QualityExceptional

Signal & Call QualityGood

GPS / NavigationExcellent

Storage and SIM configuration

microSD: No. eSIM: Yes.

Regional variants may differ. Verify the exact unit sold in your market.

Specifications may vary depending on the model variant and regional market. Always verify the specifications of the version sold in your country.

Critical Issues

Complete freezes and black-screen events
Random restarts and shutdowns
Repeated critical stability reports across independent owners

Internet Reliability Verdict: 5.9 / 10 — Poor

Public prevalence cannot be determined from available reports. This is an internet-based verdict, not internal long-term testing.

User Reports

Complete freeze / black screenDocumented pattern

Random restart / shutdownDocumented pattern

Software stabilityCritical pattern

Overall reliabilityHigh concern

Primary Use Experience

Camera, display, S Pen, performance and productivity
Display: 6.9-inch Dynamic AMOLED 2X, 120 Hz
Camera: 200 MP + 50 MP ultra-wide + 50 MP 5× telephoto + 10 MP 3× telephoto
Performance: Snapdragon 8 Elite for Galaxy

Premium camera phone / productivity

⚠ Factory reset may be required

★★★★★ Excellent Camera Phone

★★★★★ Excellent Entertainment Phone

★★★★★ Excellent Gaming Performance

Practical Use Summary

Camera, display, S Pen, performance and productivity

Not ideal for: Buyers who prioritise uninterrupted stability and trust-first use.

Entertainment PhoneSelected for Moto G75

Pal / NavigationFor high-RelyScore phones

Camera PhoneStandard image category

Gaming & SpeedStandard image category

Future / SatelliteCarrier-dependent — does not provide sufficient freedom or independence for Future Phone classification

🎮 Gaming🎬 Movies🎵 Music📷 Camera🧭 Navigation risk

Final Verdict

Top-tier camera, display, performance and premium construction.

Recommendation

Editor's Note

Evidence basis: public-source investigation. The 5.9 verdict reflects a documented critical stability pattern from multiple independent model-specific reports; prevalence remains unknown.