Oppo F31 5G runs Android 15 with ColorOS on top. The phone is powered by the MediaTek Dimensity 6300 chipset. You’ll get a 6.57″ AMOLED display with FHD+ resolution (~2372 × 1080) and a 120 Hz refresh rate. The camera setup is a 50 MP main rear shooter plus a 2 MP auxiliary lens, and a 16 MP front camera. The battery is a massive 7,000 mAh unit with 80 W fast charging, and it comes with LPDDR4X RAM and UFS 2.2 storage.
Key Features
17 September 2025
Android 15
ColorOS 15
Mediatek Dimensity 6300
128GB, 256GB
6.57 inches
Li-Ion 7000 mAh
50MP+2MP
8GB RAM
Technical Specifications
Speed
HSPA, LTE (CA), 5G
Network
2G Band
GSM 850 / 900 / 1800 / 1900
3G Band
HSDPA 900 / 2100
4G Band
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
5G Band
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Launch
Annoucement
17 September 2025
Availability
Available: Released 17 September 2025
Body
Dimentions
158.2 x 75 x 8 mm
Weight
185 Gram
Display
Screen Type
AMOLED, 1B colors, 120Hz, 600 nits (typ), 1400 nits (HBM)
Screen Size
6.57 inches, 105.0 cm2 (~88.5% screen-to-body ratio)
Resolution
1080 x 2372 pixels (~397 ppi density)
Protection
AGC DT-Star D+
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Operating Platform
OS
Android 15, ColorOS 15
Chip Set
Mediatek Dimensity 6300 (6 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2
Memory
external Memory
microSDXC
Internal Memory
128GB 8GB RAM, 256GB 8GB RAM
UFS 2.2
RAM
8GB RAM
Camera
Single Camera
50 MP, f/1.8, (wide), PDAF
Dual Camera
2 MP, f/2.4
Featues
LED flash, HDR, panorama
Video
1080p@30/60/120fps
Selfie Camera
Single
16 MP, f/2.4, (wide)
Feature
Panorama
Video
1080p@30fps
Connectivity
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.4, A2DP, LE, aptX HD
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
No
USB Type
USB Type-C 2.0, OTG
Data
2G GSM, 3G HSPA, 4G LTE, 5G capable
Features
Sensors
Fingerprint (under display, optical), accelerometer, proximity, compass
Loud Speeker
Yes, with stereo speakers
Battery
Type & Capacity
Si/C Li-Ion 7000 mAh
Battery Charging
80W wired, 33W PPS, 13.5W PD
Reverse wired charging
Misc
SIM
Nano-SIM + Nano-SIM
Color
Midnight Blue, Bloom Red, Cloud Green
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