The vivo Y21 is a 2026 Android 16, OriginOS 6 smartphone powered by the Mediatek Dimensity 6300 (6 nm) with 4GB | 6GB | 8GB and 128GB | 256GB internal storage. It features a 6.7", IPS LCD, 120Hz, 1200 nits (HBM), 720.0x1600.0 display and is available in Champagne Gold, Midnight Blue.

The Y21 is equipped with a Li-Ion 6500 mAh, a 50 MP, 1080p@30fps main camera, a 5 MP front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 209 g.

Clearing the cache partition on your vivo Y21 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.