The Coolpad Cool 20 Pro is a 2021 Android 11, CoolOS 2 smartphone powered by the Mediatek Dimensity 900 (6 nm) with 6GB | 8GB and 128GB internal storage. It features a 6.6", IPS LCD, 120Hz, 1080.0x2400.0 display and is available in Black, Blue, White, Gold.

The Cool 20 Pro is equipped with a Li-Po 4500 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 193 g.

A bootloop on the Coolpad Cool 20 Pro occurs when the device repeatedly restarts without fully loading Android. This is commonly caused by a failed software update, corrupted system files, or an incompatible app. Most bootloops can be resolved without losing data by clearing the cache partition first before attempting a factory reset.

Factory reset may be needed as a last resort — erases all data.