The OPPO A31 is an affordable smartphone with the following features:

Display: 6-5-inch HD+ full-screen display for wide viewing experience.
Processor: Powered by MediaTek Helio P35 octa-core processor, ensuring smooth daily performance.
Storage: Typically equipped with 6GB RAM and 128GB storage, expandable via microSD card.
Camera:
Rear triple camera: 13MP main sensor + 2MP depth sensor + 2MP macro lens
Front camera: 8MP with beauty features for selfies
Battery: 4230mAh large-capacity battery for long-lasting usage.
Operating System: Runs on ColorOS (based on Android 8.1 or later versions).
Additional Features:
Fingerprint sensor and face recognition for security
3.5mm headphone jack
Supports , Bluetooth, OTG, and other connectivity options
Dual SIM standby support
The OPPO A31 focuses on practicality, large display, and user-friendly features, making it a good choice for budget-conscious users.