The Oppo K9 is a 2021 Android 11, ColorOS 11.1 smartphone powered by the Qualcomm SM7250-AC Snapdragon 768G 5G (7 nm) with 8GB and 128GB | 256GB internal storage. It features a 6.4", Super AMOLED, 90Hz, 430 nits (typ), 750 nits (peak), 1080.0x2400.0 display and is available in Black, Aurora.

The K9 is equipped with a Li-Po 4300 mAh, a 64 MP, 4K@30fps, 1080p@30/60/120fps; gyro-EIS main camera, a 32 MP, 1080p@30fps front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 172 g.

Hard resetting your Oppo K9 via Recovery Mode will completely wipe all data, apps, accounts and settings, restoring the device to its original factory state. This is commonly used to fix persistent software issues, boot loops, prepare the phone for sale, or recover from a forgotten screen lock. Back up your data before proceeding as this cannot be undone.

All data will be permanently erased. Back up first.