Oppo A57 sports a 5.2-inch HD LCD display with 2.5D curved glass design and has a 16MP front camera.
Oppo A57 Announced With 16MP Selfie Camera: Specification & Features - Smartprix Bytes
Is it worth it to buy the Oppo A57? - Quora
OPPO A57 - 4GB RAM + 64GB ROM 5.2 Inches 13MP LTE - Original Smartphone Free Full Set
Is it worth it to buy the Oppo A57? - Quora
OPPO A57 price, specs and reviews 3GB/32GB - Giztop
Oppo launches Oppo A57 smartphone with octa-core processor and 16MP selfie camera for Rs 16,000
Oppo A57 Announced With 16MP Selfie Camera: Specification & Features - Smartprix Bytes
OPPO A57 Review: The Selfie Expert Smartphone - Adobotech
Oppo announces the A57 in China
Oppo A57 Announced With 16MP Selfie Camera: Specification & Features - Smartprix Bytes
The Oppo A57 5G is launched in China with a Dimensity 810 chipset and a 5000