The Ulefone Armor 28 Ultra is a 2025 Android 15 smartphone powered by the Mediatek Dimensity 9300+ (4 nm) with 16GB and 1TB internal storage. It features a 6.7", AMOLED, 1B colors, 120Hz, 600 nits (HBM), 2200 nits (peak), 1080.0x2400.0 display and is available in Black.

The Armor 28 Ultra is equipped with a Li-Ion 10600 mAh, a 50 MP, 8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS main camera, a 50 MP, 1080p@30fps front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 450 g.

Clearing the cache partition on your Ulefone Armor 28 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.