OnePlus 9
| A close-up of OnePlus 9 Pro camera | |
| Manufacturer | OnePlus | 
|---|---|
| Type | Smartphone | 
| First released | 26 March 2021 | 
| Availability by region | 
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| Predecessor | OnePlus 8T OnePlus 8 Pro | 
| Successor | OnePlus 10 Pro | 
| Related | Oppo Find X3 | 
| Form factor | Slate | 
| Dimensions | 9 (EU/NA): 160 mm (6.3 in) H 74.2 mm (2.92 in) W 8.7 mm (0.34 in) D 9 (IN/CA): 160 mm (6.3 in) H  73.6 mm (2.90 in) W 8.7 mm (0.34 in) D | 
| Weight | 
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| Operating system | Android 11 with OxygenOS 11 (upgradable to Android 14 with Oxygen OS 14) China: Android 11 with ColorOS 11 | 
| System-on-chip | Qualcomm Snapdragon 888 | 
| CPU | Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) | 
| GPU | Adreno 660 | 
| Memory | 8 or 12 GB | 
| Storage | 128 or 256 GB UFS 3.1 | 
| Removable storage | None | 
| Battery | 4500 mAh lithium polymer | 
| Charging | 
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| Rear camera | 48 MP, f/1.8, 23mm (wide), 1/1.43", 1.12 μm 
 
 9 Pro: In addition to above: 
 | 
| Front camera | 16 MP, f/2.4, (wide), 1/3.06", 1.0 μm | 
| Display | Fluid AMOLED capacitive touchscreen with HDR10+ support and 120 Hz refresh rate 
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| Sound | Loudspeaker (stereo) | 
| Data inputs | USB-C 3.1, Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, color spectrum, barometer, dual-band GNSS (GPS/GLONASS/BeiDou/Galileo) | 
| Water resistance | IP68 (9 Pro only) | 
| Website | |
| References | |
The OnePlus 9 and 9 Pro are Android-based smartphones manufactured by OnePlus, unveiled on March 23, 2021. The phones feature upgraded cameras developed in partnership with Hasselblad.