The TCL 20B is a 2021 Android 11, TCL UI smartphone powered by the Mediatek MT6762 Helio P22 (12 nm) with 4GB and 64GB internal storage. It features a 6.5", IPS LCD, 720.0x1600.0 display and is available in Gray, Violet.

The 20B is equipped with a Li-Po 4000 mAh, a 50 MP, 1080p@30fps main camera, a 8 MP, 1080p@30fps front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 178 g.

Clearing the cache partition on your TCL 20B 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.