Which Samsung phone are users complaining about the most in 2025–2026?

Samsung is an essential brand in the smartphone world. Every year, millions of devices are sold across the globe. However, some models generate more user dissatisfaction than others. And the most recently reported one is not an entry-level device, but indeed a very high-end flagship: the Samsung Galaxy S25 Ultra.

👉 In 2025–2026, the Galaxy S25 Ultra is emerging as the most criticized Samsung smartphone within the community.

Why the Galaxy S25 Ultra Is at the Center of Complaints

Launched in early 2025, this model was presented as a technological showcase for Samsung, featuring a large AMOLED display, improved S Pen support, and a powerful camera sensor system. However, many users have reported technical issues, some of them persistent.

Most Frequently Reported Issues

Disappointing Battery Life

Many users have posted on official forums and Reddit about rapid battery drain, including after certain system updates. In some cases, the battery depletes much faster than expected, even with moderate use.(Samsung Community)

On the Samsung Community forum, several testimonials describe significant battery drops and overheating related to gaming or even simple everyday usage:

Overheating and Performance Issues

Users report that the phone heats up while watching videos, playing games, or even during normal usage, to the point that it affects performance or reduces overall battery life.

Several threads on the Samsung Members forums include direct reports of devices becoming abnormally hot, even without heavy usage. (Samsung Community)

Ultra-Wide Camera Issues and Internal Vibrations

An intriguing hardware issue affects the ultra-wide camera of the Samsung Galaxy S25 Ultra. Some users report rattling noises, shaking, and abnormal lens vibrations, sometimes right out of the box, suggesting a possible hardware defect (Android Police).

Other Reddit testimonials mention software-related camera bugs, including crashes and black screens during certain uses.

Bugs, Crashes, and Slowdowns Reported by the Community

Several Reddit posts and user threads mention app crashes, lag, and glitches when using the S Pen or the One UI interface.

In some cases, users describe interface freezes or apps closing unexpectedly during normal usage.

Critical Look at Sensors and Fingerprint Reader

Multiple specialized media reports indicate that the under-display fingerprint reader on the Galaxy S25 Ultra is less responsive or reliable than expected, even compared to direct competitors.

Raw User Testimonials

On Reddit, several users have directly shared their frustrations about the Galaxy S25 Ultra:

• Some owners reported a noisy or defective S Pen and a disappointing after-sales service experience.
• Others described lag, interface bugs, and issues while using the stylus.
• Some users even posted threads about excessive overheating and rapid battery drain after certain updates.

Why These Criticisms Affect a Premium Model

Contrary to what one might assume, it is not entry-level or mid-range phones that receive the most complaints. When issues arise on a premium model like the Galaxy S25 Ultra, they attract more attention because:

• User expectations are extremely high for a device sold at a premium price.
• Hardware or software bugs are noticeable within the first few months of use.
• Tech communities and specialized forums amplify criticism as testimonials accumulate.

Verdict: The Most Criticized Samsung in 2025–2026

The Samsung Galaxy S25 Ultra is currently the Galaxy model generating the most user frustration, based on testimonials, Reddit threads, Samsung forums, and technical analyses.

Advice for Future Buyers

• Wait several months after a model’s release to allow time for software patches and updates to roll out.
• Check recent user feedback on Reddit and official forums.
• Consider previous models (e.g., the Samsung Galaxy S24 Ultra) if reliability is your top priority.

By the Way:

Comparison between the Samsung Galaxy S25 Ultra and the Google Pixel 9 Pro