OPPO A57 Smartphone, 6.56” HD+ 60Hz Display, 50MP+13MP dual rear camera, 8MP front camera, RAM 4GB + ROM 64GB with RAM expansion, 5000mAh 33W Supervooc, IPX4, Glowing Black (Renewed): : Electronics
Best Oppo smartphones with 4GB and 4GB plus RAM: Buying guide
Oppo A57 4G Dual-Sim 64GB ROM + 4GB RAM (GSM only No CDMA) Factory Unlocked 4G/LTE Smartphone (Glowing Black) - International Version : Cell Phones & Accessories
OPPO A57s specs & renders revealed; Helio G35, 50MP dual camera setup & more - Gizmochina
Oppo A57s Starry Black 128GB 4GB RAM Gsm Unlocked Phone Mediatek MT6765G Helio G35 50MP DISPLAY 6.56 inches, PROCESSOR Mediatek MT6765G Helio G35 FRONT CAMERA 8MP REAR CAMERA 50MP + 2MP RAM
Is the new OPPO A57e a gaming smartphone? - Quora
OPPO A57s specs & renders revealed; Helio G35, 50MP dual camera setup & more - Gizmochina
OPPO A57s specs & renders revealed; Helio G35, 50MP dual camera setup & more - Gizmochina
OPPO A57 Smartphone (4GB+128GB, MediaTek Helio G35, 6.56 inches IPS LCD, Dual Rear Camera 13MP, 5000 mAh
OPPO A57s - Specifications