The ZTE Grand S3 is a 2015 Android 4.4 smartphone powered by the Qualcomm MSM8974AC Snapdragon 801 (28 nm) with 3GB and 16GB internal storage. It features a 5.5", IPS LCD, 1080.0x1920.0 display and is available in Silver.

The Grand S3 is equipped with a Li-Ion 3100 mAh, non-removable, a 16 MP, 4K@30fps, 1080p@30fps main camera, a 8 MP, 1080p@30fps front camera. The device uses a Nano-SIM + Nano-SIM configuration.

Clearing the cache partition on your ZTE Grand S3 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.