General
- Brand Oppo
- Model A91
- Device Smartphones
- Added December 19, 2019
- Updated June 1, 2024
Launch
- Announced 2019, December
- Status Available. Released 2019, December
Network
- Technology GSM / CDMA / HSPA / LTE
- 2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA
- 3G bands HSDPA 850 / 1700(AWS) / 1900 / 2100
- 4G bands LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
- Speed HSPA 42.2/11.5 Mbps, LTE-A
- GPRS Yes
- EDGE Yes
Body
- Dimensions 7.9 mm thickness
- Weight 172 g (6.07 oz)
- SIM Dual SIM (Nano-SIM, dual stand-by)
Display
- Type Super AMOLED capacitive touchscreen, 16M colors
- Size 6.4 inches, 100.5 cm2
- Resolution 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Platform
- OS Android 9.0 (Pie)
- Chipset Mediatek MT6771V Helio P70 (12nm)
- CPU Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
- GPU Mali-G72 MP3
Memory
- Card slot microSD, up to 256 GB (dedicated slot)
- Internal 128 GB
- RAM 8 GB
Main camera
- Quad 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera) 2 MP, f/2.4, 1/5", 1.75µm, depth sensor
- Features LED flash, HDR, panorama
- Video 2160p@30fps
Selfie camera
- Single 16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm
- Features HDR
- Video 1080p@30fps
Sound
- Alert types Vibration, MP3, WAV ringtones
- Loudspeaker Yes
- 3.5mm jack Yes
Connectivity
- WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
- Bluetooth 5.0, A2DP, LE, aptX HD
- GPS Yes, with A-GPS
- NFC No
- FM radio Yes
- USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go
Features
- Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
- Messaging SMS(threaded view), MMS, Email, Push Email, IM
- Browser HTML5
- Java No
Battery
- Type Non-removable Li-Po
- Capacity 4025 mAh
More
- Made by China
- Color Dark Blue, Red, Blue
- Other Features Fast battery charging 30W: 50% in 30 min (VOOC Flash Charge 4.0)
Prices
- Expected price ৳25,000