itel S25 Ultra Review

Warranty

The itel S25 Ultra comes with an official manufacturer’s warranty, usually valid for one year from the date of purchase. The warranty covers manufacturing defects and technical issues that may appear during the warranty period.

Warranty Terms

• An original purchase invoice or receipt proving the purchase date is required for warranty service eligibility

• The warranty does not cover damage caused by misuse or accidents such as drops, water exposure, or unauthorized modifications

• Battery wear and screen damage due to normal use or minor scratches are not covered under the warranty

• Devices must be sent only to authorized service centers to benefit from warranty services

After-Sales Service

itel provides after-sales support through authorized service centers in countries where the phone is available. Users can receive technical support, maintenance, and repairs. The company also offers system updates and technical assistance via call centers or official websites to ensure a continuous and comfortable user experience.

Performance of the itel S25 Ultra

Processor and Overall Performance

The itel S25 Ultra runs on a MediaTek Helio A22 quad-core processor clocked at 2.0 GHz. This processor is targeted at the budget segment and delivers adequate performance for simple daily tasks such as web browsing, using social media apps, and watching videos.

User Experience

The phone efficiently handles light to moderate apps with good responsiveness when navigating menus and switching between apps. However, it may experience slight lag or delay when running heavy games or resource-intensive applications.

Memory and Storage

The phone comes with 4GB of RAM and 64GB of internal storage, providing reasonable multitasking capabilities and enough space for a good number of apps and files. Storage can also be expanded via a microSD card.

Gaming Performance

The device can run light games like 2D or casual games without problems but is not suitable for heavy 3D games or games that require advanced processors and graphics.

Cooling and Stability

The phone offers stable performance with moderate temperature during normal use, but under prolonged heavy load, the temperature may rise slightly, potentially affecting performance to some extent.

Overall, the itel S25 Ultra delivers satisfactory performance for users who need a phone for regular daily use with smooth basic app experience but is not designed for heavy gaming or advanced tasks.

Gaming Performance on the itel S25 Ultra

Light Games

The itel S25 Ultra can smoothly run light games such as puzzles, 2D games, and casual games with good responsiveness and smooth performance.

Moderate Games

The phone can run some medium-graphics games like racing or games with moderate requirements, but you may notice some frame drops or lag at high graphic settings or during complex scenes.

Heavy Games

For heavy 3D games that require strong processors and graphics, such as action games or online multiplayer games, the phone may struggle to deliver smooth performance, experiencing delays and temperature increases that might reduce performance to maintain device stability.

Overall Gaming Experience

The phone is generally suitable for light to moderate gaming but is not designed for heavy or professional gaming enthusiasts. It is recommended to use low graphic settings on demanding games for a better experience.

Operating System Performance on the itel S25 Ultra

System and Version

The phone comes with Android 12 and the custom itel UI, offering a simplified and smooth user experience focused on easy access and navigation between apps.

System Responsiveness

The system provides good responsiveness and speed when navigating menus and basic apps, reducing lag in everyday tasks like web browsing, messaging, and media playback.

Resource Management

The itel UI effectively manages memory and processor usage to balance battery consumption and device performance, helping maintain system stability during extended use.

Updates and Support

The phone receives regular security updates to improve system stability and data protection. The manufacturer also provides updates to enhance performance and fix bugs on a regular basis.

Additional Features

The system includes useful features such as power-saving modes, various screen modes, and simple customization options that make the phone easier to use, especially for new users.

The operating system performance of the itel S25 Ultra is satisfactory for the budget segment, offering smooth use, good stability, and proper resource management, though it may not efficiently support heavy apps or complex tasks.

Battery Performance of the itel S25 Ultra

Battery Capacity

The itel S25 Ultra is equipped with a 4000 mAh battery, a medium capacity suitable for moderate daily use.

Usage Duration

The battery provides a good runtime sufficient to last a full day under normal usage conditions such as web browsing, calls, social media, and moderate video watching.

Power Efficiency

The phone employs effective power management that helps improve battery consumption, extending the time between charges and reducing the need for frequent recharging throughout the day.

Charging

The phone supports a 10-watt charger, which is relatively slow compared to modern phones with fast charging, resulting in longer battery recharge times.

Heavy Usage

During intensive use, such as gaming or long video playback, the battery drains faster, and the user may need to recharge during the day.

The itel S25 Ultra’s battery is suitable for typical daily use with decent endurance but lacks fast charging and is less ideal for prolonged heavy usage, making it better suited for users with moderate usage patterns and without heavy battery demands.

Global Reviews of the itel S25 Ultra

Expert Reviews

The itel S25 Ultra received average ratings from tech experts, who praised its simple design and affordable price for the entry-level segment. They highlighted the large screen and battery as delivering acceptable performance for daily use.
However, experts pointed out the limited performance of the processor and the phone’s cameras, considering the device unsuitable for users who need high performance or advanced features.

User Reviews

User reviews showed varied opinions; many users expressed satisfaction with the phone’s value for money, considering it meets basic usage needs well.
Some users noted that the phone is smooth in navigation and daily use, with a battery that lasts a reasonable amount of time.
On the other hand, some users complained about slow charging, poor camera quality in low light, and weak performance in heavy games.

Overall, the itel S25 Ultra is considered a good choice for budget users looking for a simple, practical phone at a low price, but it is not suitable for those seeking high performance or advanced technical features.
The global rating for the phone generally ranges between 6 to 7 out of 10 in most tech reviews.

Competing Phones to the itel S25 Ultra

1. Xiaomi Redmi 10A

The Redmi 10A is one of the strongest competitors in the budget segment, offering a slightly more powerful processor, a similarly sized screen, and a larger 5000 mAh battery with faster charging support. It also features a 13MP rear camera and good performance for its price.

2. Infinix Smart 7

The Infinix Smart 7 offers a large screen and a 5000 mAh battery, with a processor suitable for daily performance. It provides a good user experience in the budget segment, along with a modern design and multiple color options to suit various tastes.

3. Realme C11 (2021)

The Realme C11 comes with a relatively strong processor for the segment, a large battery that lasts a long time, and a 6.5-inch screen, making it a strong competitor to the itel S25 Ultra in terms of performance and battery life.

4. Samsung Galaxy A03 Core

The Samsung Galaxy A03 Core offers a clean Samsung operating system experience with regular security updates, a 5000 mAh battery, and a 6.5-inch screen, but its specifications are basic and suited only for everyday use.

5. Tecno Spark 8C

The Tecno Spark 8C features a Unisoc processor suitable for light gaming, a large 5000 mAh battery, and a 6.6-inch screen, making it a competitive option within the same price range as the itel S25 Ultra.

Several competing phones are available in the market with similar or slightly more advanced specs than the itel S25 Ultra, differing in battery size, processor type, camera quality, and operating system. Choosing the right phone depends on personal priorities such as performance, battery life, or system experience.

Buying Tips for the itel S25 Ultra

• Define your basic needs: If you are looking for a budget phone for everyday use like calls, browsing, and simple apps, the itel S25 Ultra is a suitable choice. However, if you need strong performance for gaming or advanced photography, you might want to consider other options.

• Consider screen quality: The 6.56-inch HD screen offers a good viewing experience for regular content but is not ideal for watching high-quality videos or playing heavy games.

• Consider battery life and charging: The 4000 mAh battery is enough for moderate daily use, but charging is relatively slow. So if you need fast charging, it might be better to look for a phone that supports faster charging.

• Compare the price with competing phones: Compare the price of the itel S25 Ultra with other phones in the same price range, such as the Redmi 10A or Infinix Smart 7, to ensure you get the best value for your money.

• Check after-sales service: Make sure there are authorized service centers for the phone in your area, as well as official support to ensure easy maintenance and warranty in case of any problems.

• Read user reviews: Checking user opinions helps you understand the real strengths and weaknesses of the phone and get a practical usage experience.

• Try the phone before buying if possible: Testing the phone directly in-store helps you evaluate the design, ease of use, screen quality, and sound before making the final purchase decision.

Charging Tips for the itel S25 Ultra

• Use only the original charger: To ensure battery safety and achieve the best charging performance, it is always better to use the original charger and cable that come with the phone.

• Avoid unsupported fast charging: The phone only supports 10W charging, so using higher-wattage fast chargers may not speed up charging and could negatively affect battery life.

• Charge the phone when the battery drops to around 20%: To extend battery lifespan, it’s preferable to start charging when the battery reaches about 20% rather than waiting until it completely runs out.

• Avoid using the phone while charging: Playing games or running heavy apps while charging can increase device temperature and slow down the charging process.

• Do not leave the phone charging for long periods after reaching 100%: Unplugging the phone once fully charged helps maintain battery health over the long term.

• Charge the phone in a cool, dry environment: High temperatures during charging can damage or reduce battery efficiency, so it’s best to charge the phone in a well-ventilated area free of excessive heat.

• Turn off the phone or enable airplane mode while charging to speed up the process: If you need relatively faster charging, turning off the phone or enabling airplane mode reduces power consumption during charging.

Conclusion

The itel S25 Ultra offers a balanced experience between price and specs, providing adequate performance for daily tasks and a suitable screen for moderate use, with a battery that lasts a reasonable amount of time. Despite some limitations in performance and camera quality, the phone remains a good choice for budget users or those seeking a simple, reliable device. Therefore, if your needs align with this phone’s specs, the itel S25 Ultra could be a practical and cost-effective option for you.