The BLU F91 is a 2022 Android 11 smartphone powered by the Mediatek Dimensity 810 (6 nm) with 8GB and 128GB internal storage. It features a 6.8", IPS LCD, 1080.0x2460.0 display and is available in Blue.

The F91 is equipped with a Li-Po 5000 mAh, a 48 MP, 4K@30fps, 1080p@30fps main camera, a 16 MP, 1080p@30fps front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 209 g.

Clearing the cache partition on your BLU F91 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.