The OnePlus Ace 6 Ultra is a 2026 Android 16, ColorOS 16 smartphone powered by the Mediatek Dimensity 9500 (3 nm) with 12GB | 16GB and 1TB | 256GB | 512GB internal storage. It features a 6.8", AMOLED, 1B colors, 165Hz, PWM, Dolby Vision, HDR10+, HDR Vivid, 800 nits (typ), 1800 nits (HBM), 1272.0x2772.0 display and is available in Gray, Gold.

The Ace 6 Ultra is equipped with a Si/C Li-Ion 8600 mAh, a 50 MP, 4K@30/60fps, 1080p@30/60/240fps, gyro-EIS main camera, a 16 MP, 1080p@30fps, gyro-EIS front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 217 g.

Clearing the cache partition on your OnePlus Ace 6 Ultra 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.