When Samsung launched the Galaxy S25 Ultra in early 2025, it was promoted as one of the most powerful Android smartphones ever made. It came with Galaxy AI features, a new Snapdragon chipset, a 200MP camera, and long software support.
Now in 2026, after almost 365 days of real-world use by users and reviewers, the real performance story is becoming clear. This article explains what actually happens after using the Samsung Galaxy S25 Ultra for one year — including performance, battery life, camera experience, updates, and whether it is still worth buying in India today.
What Made Samsung Galaxy S25 Ultra Special at Launch?
At the time of launch, the Galaxy S25 Ultra offered:
- Snapdragon 8 Elite processor
- 6.9-inch QHD+ AMOLED display
- 200MP main camera setup
- Android 15 with One UI 7
- Up to 1TB storage and 12GB RAM
- 5,000mAh battery with 45W charging
Samsung also promised 7 years of software and security updates, which is one of the longest in the smartphone industry.
On paper, this meant the phone was built to last many years.
Performance After One Year: Still Fast or Slowing Down?
Even after one year, reports suggest that the Snapdragon 8 Elite chip continues to deliver smooth performance in daily use like gaming, multitasking, and video editing.
Experts note that:
You may not see major slowdown even after 3–4 years of usage.
Gaming performance also remains stable because Samsung used a vapor cooling chamber to manage heating during long sessions.
However, stress tests show that performance may reduce slightly over time due to thermal throttling during heavy tasks like benchmark testing or long 4K video recording.
For normal users in India using apps like WhatsApp, Instagram, BGMI, or YouTube — the speed is still flagship level.
Battery Life After 365 Days: The Real Truth
This is where things become interesting.
Samsung included a 5,000mAh battery, and initially:
- It lasted more than one day on Wi-Fi usage
- Around 4.5 hours screen-on-time with heavy usage
But after long-term use:
- Battery performance is satisfactory but not the best in flagship category
- Some users reported mixed results — while some still get full-day backup, others noticed faster battery drain over time
In early 2026, Samsung also released a One UI 8.5 beta update that fixed battery drain issues caused by certain apps, which affected some Galaxy S25 users.
This means software optimisation is still improving battery performance even after launch.
Camera Experience: Still Among the Best?
The Galaxy S25 Ultra camera setup has remained one of its strongest features.
Key highlights after one year:
- Excellent zoom and low-light performance
- New 50MP ultra-wide camera
- Improved night exposure through AI software
In fact, customer feedback still praises its camera for working like a professional photography system.
However, some reviewers mentioned that AI camera features can sometimes feel overhyped and may not always deliver perfect accuracy in real-life scenes.
Software Updates and Long-Term Support in India
Samsung has been regularly pushing updates to improve:
- Battery optimisation
- App stability
- Security patches
- Gallery performance
- Widget reliability
India is also receiving beta builds of the latest One UI updates, showing Samsung’s continued support for the S25 series.
This is important for Indian buyers who usually keep flagship phones for 3–4 years.
Why It Matters Now in 2026
With the Galaxy S26 series already launched globally in 2026, many users are asking:
Should you still buy S25 Ultra now?
After one year:
- Performance is still strong
- Camera quality remains top-tier
- Battery is good but not industry-leading
- AI features are improving with updates
- Price in India has dropped from ₹1,29,999 since launch
This makes it a better value-for-money flagship today than at launch.
What Happens Next?
Samsung is expected to continue updates for many years due to its 7-year support promise.
Read More : Samsung Galaxy S26 Ultra Review
Future One UI updates may:
- Improve AI battery optimisation
- Enhance camera processing
- Fix background app drain issues
So the long-term experience may actually get better with time.
FAQs
Is Samsung Galaxy S25 Ultra still worth buying in 2026?
Yes, it still offers flagship performance, excellent camera, and long software support.
Has the battery degraded after one year?
Battery remains decent for most users, but some may notice faster drain depending on usage and 5G connectivity.
Will S25 Ultra get Android updates in India?
Yes, Samsung has promised up to 7 years of updates.
Is camera performance still good in 2026?
Yes, the 200MP setup still delivers excellent photos and zoom results.
Does the phone slow down after 1 year?
No major slowdown has been reported in normal daily usage.
