1. The Redmi K90 Ultra is expected to support 100W fast charging and feature an upgraded 8,500mAh battery.
2. It may have a 6.8-inch AMOLED display with a 1.5K resolution and a 165Hz refresh rate, an improvement over its predecessor.
3. The device is rumored to be powered by the Dimensity 9500 Plus chipset and include Bose-tuned speakers.
4. The K90 Ultra has received 3C certification, indicating potential hardware specifications and design details.
5. It remains unclear whether the Redmi K90 Ultra will be released globally, as the K80 Ultra was China-exclusive.
Upcoming Xiaomi Redmi K90 Ultra
The Xiaomi Redmi K90 Ultra was spotted in China through a 3C certification, which is a clear indicator that the smartphone is upcoming. The device bears the model number “2604FRK1EC” which is tied to Xiaomi. This new model is expected to be a successor to the Redmi K80 Ultra and includes some interesting upgrades and features that have been leaked online.
Charging and Battery Details
According to the certification, the K90 Ultra will support fast charging up to 100W, similar to the K80 Ultra. It is also rumored that the device might pack an 8,500 mAh battery, providing potentially longer usage than the previous model’s 7,410 mAh battery. These improvements would make it a very attractive option for those seeking endurance in their smartphones.
Display and Performance Rumors
The K90 Ultra is speculated to feature a large 6.8-inch AMOLED screen with a resolution of 1.5K and a blazing 165Hz refresh rate. This is a significant upgrade from its predecessor’s 144Hz display, making it more appealing to gamers and multimedia lovers. Under the hood, the device might be powered by the Dimensity 9500 Plus chipset, promising improved speed and efficiency, along with a cooling fan for heat management.
Additional Features and Potential Release
- It is rumored that the phone will include Bose-tuned speakers, which is a plus for audio quality. This feature was prominent in the Xiaomi Poco F8 Ultra.
- Since the K80 Ultra was exclusive to China, it’s uncertain whether the K90 Ultra will be available worldwide.
- Xiaomi has recently started to update devices to HyperOS 3.1, with a global rollout ongoing.
Overall, these leaks and certifications hint at a powerhouse smartphone that might soon hit the markets, bringing notable upgrades over its predecessor. Fans and users should keep an eye out for official announcements to see if these rumors turn true.

