Redmi is reportedly preparing to launch a new flagship smartphone, the Redmi K90 Ultra, which has recently surfaced in leaked specifications. The device is expected to feature the MediaTek Dimensity 9500 chipset, marking a shift in Redmi’s approach by skipping the usual Plus variant. This leak originated from Digital Chat Station on Weibo and has been corroborated by multiple technology news outlets as of early February 2026.
One of the standout features of the Redmi K90 Ultra will be its active internal cooling system, a first for Xiaomi devices. The fan-based cooling mechanism is designed to keep the device temperature in check during intensive tasks such as gaming, which helps prevent performance throttling that often occurs in high-end smartphones without active cooling.
Key Specifications Highlighted in Leaks
- Processor: MediaTek Dimensity 9500 SoC
- Display: 6.8 inches flat panel with 1.5K resolution and up to 165 Hz refresh rate
- Battery: Approximately 8500 mAh capacity with 100W wired fast charging
- Cooling System: Internal active cooling fan
- Other Features: Ultrasonic fingerprint sensor under the display, metal frame, and possibly IP68-equivalent water and dust resistance
The choice of the MediaTek Dimensity 9500 is significant since MediaTek has reportedly decided not to release a Dimensity 9500+ variant this year. This means Redmi’s new Ultra model might be the first to launch with the Dimensity 9500 chip without an enhanced “Plus” iteration, changing the performance upgrade strategy usually seen in Ultra models.
The display specifications cater to users who prefer smooth and responsive visuals, especially gamers and content consumers. The 165 Hz refresh rate is among the highest available on smartphones, potentially delivering fluid scrolling and gameplay experiences. The flat 6.8-inch panel and 1.5K resolution further indicate a premium screen setup.
On the power front, the Redmi K90 Ultra appears to support a robust 8500 mAh battery, which should deliver extended usage times. Earlier rumors suggested a capacity as high as 10,000 mAh, but the latest leaks suggest that 8,000 to 8,500 mAh is the more realistic estimate during final testing phases. The device will reportedly support 100W fast charging via cable, but wireless charging capabilities remain unconfirmed.
The inclusion of an active cooling fan is particularly noteworthy. Smartphones typically rely on passive cooling solutions such as heat pipes or graphite layers. Introducing an internal fan could substantially reduce overheating issues during heavy use, directly improving sustained performance for gaming or other processor-heavy applications. This innovation might set a new standard for performance-oriented smartphones in Redmi’s portfolio.
Additional features likely to be included are a metal frame for enhanced durability and build quality and an ultrasonic fingerprint sensor embedded under the display for security and convenience. The device is also rumored to possess water and dust resistance close to the IP68 rating, which is typical for flagship devices but not commonly found in Redmi’s Ultra models.
The phone is expected to debut around May or June 2026, primarily targeting the Chinese market initially. Alongside the Redmi K90 Ultra, Redmi is also planning to release the Redmi K Pad 2, a new tablet emphasizing high performance.
Currently, Xiaomi has not officially confirmed any specifications or launch dates for the Redmi K90 Ultra. Similarly, MediaTek has not released official statements regarding the Dimensity 9500 chipset’s adoption in this model or details about software features like HyperOS that may power the device. Pricing information and availability outside China also remain unknown.
This leak signals a clear trend toward making gaming-centric smartphones with advanced cooling and larger battery capacities, a combination that appeals to high-end users. If Xiaomi introduces active cooling in the Redmi K series, it may prompt other manufacturers to explore similar solutions to manage heat and maintain performance under heavy loads.
In summary, the Redmi K90 Ultra looks set to be a powerful device combining cutting-edge MediaTek chipset technology, a large high-refresh-rate display, exceptional battery endurance, and a novel internal cooling technology. These attributes underline Redmi’s intent to deliver a flagship experience tailored to power users who demand sustained peak performance without compromise. The upcoming months should reveal more official details as the launch window approaches.
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