| Hardware and OS | Oppo U3 | |
| Operating system | Android 4.4.4 (KitKat); ColorOS 2 | |
| Processor | Octa-core 1.7 GHz Cortex-A53 | |
| Chipset | Mediatek MT6752 (28 nm) | |
| GPU | Mali-T760MP2 | |
| Internal memory | 16 GB, 2 GB RAM | |
| External memory | microSD, up to 32 GB (dedicated slot) | |
| Display | Oppo U3 | other phones |
| Type | IPS LCD | |
| Size | 5.9" inc | |
| Resolution | 1080 x 1920 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 74.0% | |
| Display area | 93.9 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 377 PPI | |
| Colors | 16M | |
| Connectivity | Oppo U3 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | TD-SCDMA | |
| 4G Network | LTE band 38(2600), 39(1900), 40(2300), 41(2500) | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | |
| Network | GSM / LTE | |
| SIM card | Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) | |
| Bluetooth | 4.0, A2DP | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS | |
| NFC | Yes | |
| Speed | HSPA, LTE | |
| USB | microUSB 2.0 | |
| Camera | Oppo U3 | other phones |
| Main camera | 13 MP, Single | |
| Specs | 13 MP, AF | |
| Features | LED flash, HDR, panorama | |
| Video | 1080p@30fps | |
| Selfie camera | 5 MP, Single | |
| Multimedia | Oppo U3 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | No | |
| Design | Oppo U3 | other phones |
| Colors | White, Black | |
| Dimensions | 156.8 x 81 x 8 mm | |
| Weight | 195 g | |
| Battery | Oppo U3 | other phones |
| Battery capacity | 3000 mAh, Non-removable Li-Ion | |
| Battery life | Stand by time- Up to 400 h (3G)
Talking time- Up to 10 h (3G)
| |
| Other | Oppo U3 | other phones |
| Release date | 2015, January | |
| Sensors | Accelerometer, proximity, compass | |
