The Xiaomi 17 Ultra (China) is a 2025 Android 16, HyperOS 3 smartphone powered by the Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) with 12GB | 16GB and 1TB | 512GB internal storage. It features a 6.9", LTPO AMOLED, 68B colors, 120Hz, 2160Hz PWM, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak), 1200.0x2608.0 display and is available in Black, White, Starlit Green, Purple.

The 17 Ultra (China) is equipped with a Si/C Li-Ion 6800 mAh, a 50 MP, 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p) main camera, a 50 MP, 4K@30/60fps, 1080p@30/60fps, gyro-EIS front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 224 g.

Clearing the cache partition on your Xiaomi 17 Ultra (China) removes temporary system files that accumulate over time and can cause slowdowns, crashes or boot issues. Unlike a factory reset this process does not delete any personal data, photos, apps or settings, making it a safe first step when troubleshooting performance problems.

Clears temporary system files without deleting personal data.