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How to Fix Black Screen — Xiaomi Redmi K90 Ultra
How to Fix Black Screen — Xiaomi Redmi K90 Ultra
The Xiaomi Redmi K90 Ultra is a 2026 Android 16, HyperOS 3 smartphone powered by the Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm). It features a AMOLED, 68B colors, PWM, 165Hz, Dolby Vision, HDR Vivid, HDR10+, 9500 nits (peak)* display and is available in Black, Blue, Silver.
The Redmi K90 Ultra is equipped with a Si/C Li-Ion 8550 mAh, a 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+ main camera, a 1080p@30/60fps front camera. The device uses a Nano-SIM + Nano-SIM configuration.
A black screen on the Xiaomi Redmi K90 Ultra can occur due to a drained battery, a software crash, or the screen becoming unresponsive. In most cases this can be resolved with a force restart or a short charging period without any data loss. Follow the steps below in order before considering a factory reset.
On your Xiaomi Redmi K90 Ultra: charge for 30+ minutes with a different cable and charger
Hold Power for 15–20 seconds
If still black: hold Power + Volume Down for 10 seconds
Try holding Power + Volume Up to enter Recovery Mode
In Recovery: select 'Reboot system now'
If Recovery loads: wipe cache partition then reboot
Last resort: factory reset from Recovery — erases all data
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