A new Redmi device carrying model number M332BF just cleared China's 3C certification with 100W wired charging confirmed. Tipsters Digital Chat Station and Xiaomu Technology have separately filled in the spec picture — and it's an unusual one. The Redmi K90 Ultra appears to sit below the K90 and K90 Max in the lineup but comes with a built-in cooling fan and an 8,500mAh battery. That combination doesn't fit a typical mid-range positioning.
June or July China launch. Expected starting price 2,799 yuan (~$410).
Key Points
- Redmi K90 Ultra (model M332BF) cleared 3C certification with 100W wired fast charging confirmed — no wireless charging support
- Expected specs from tipster Xiaomu Technology: 1.5K flat OLED with high refresh rate, Snapdragon 8 Elite chipset, 8,500mAh battery, built-in physical cooling fan
- Dual stereo speakers, ultrasonic fingerprint scanner, and IP68/IP69 dual water resistance certification also tipped
- Digital Chat Station describes it as a mid-range performance-focused device — positioned below the K90 and K90 Max in the lineup hierarchy
- June or July China launch expected — starting price tipped at 2,799 yuan (~$410)
A Fan and 8,500mAh at 2,799 Yuan — The Value Case
The Redmi K90 Max launched at 3,199 yuan (~$468) with a built-in fan, Dimensity 9500, and 8,550mAh battery. The K90 Ultra appears to be a slightly more affordable version of that same proposition — Snapdragon 8 Elite instead of Dimensity 9500, similar battery capacity, same fan cooling philosophy, at a 400 yuan lower entry price.
Snapdragon 8 Elite — the first-generation Elite chip from late 2024 — is a strong performer that remains competitive in gaming workloads. Pairing it with active fan cooling and 8,500mAh at 2,799 yuan creates a genuinely compelling package for buyers who want sustained gaming performance and multi-day endurance without paying K90 Max prices.
Fan Cooling Below the K90 Max — Expanding the Category
The K90 Max was notable as the first Xiaomi Group smartphone with a built-in cooling fan. The K90 Ultra bringing that feature to a lower price point signals Redmi is treating active cooling as a lineup differentiator rather than a flagship-exclusive feature. If the K90 Ultra ships at 2,799 yuan with a fan, Dimensity 9500-era Snapdragon performance, and IP69 water resistance, it positions itself as the value entry into Redmi's performance-cooling ecosystem.
The absence of wireless charging is the clear trade-off — likely a space and cost decision to accommodate the 8,500mAh cell and fan system within the chassis. For gaming-focused buyers, that trade-off is defensible.
Positioning Below K90 and K90 Max
Redmi's K90 lineup now spans four models: K90, K90 Pro Max, K90 Max, and the incoming K90 Ultra. The Ultra name sitting below the Pro Max and Max in hierarchy is unconventional — but it appears to reflect the Snapdragon 8 Elite (Gen 1) chip choice versus the newer Dimensity 9500 and Snapdragon 8 Elite Gen 5 in the higher-tier models. The Ultra branding here likely signals the fan and battery combination rather than chipset superiority.
3C certification cleared. Launch imminent.
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