Oppo A77 has a display of 6.56 inches. A 2.4 Octa-core processor runs it with the help of 4GB RAM. A 128GB ROM Storage is what comes with the Oppo A77 that can be expanded to 512GB with a MicroSD Card. A 5000mAh battery powers it. Oppo A77 has  A dual rear camera of 50MP(wide)+2MP(depth) & a front camera of 8MP.

Display

Has a large screen of 6.56 inches. The display is wide enough to make sure that one gets to thoroughly enjoy using the smartphone in gaming, chatting, video calling, or even chatting. Thanks to the 430 nits meaning that you can use your device under direct sunlight without having to provide shade so as to be able to see who is calling or reading a text message.

Camera

Oppo A77  comes with a dual-camera at the back of 50MP(wide)+2MP(depth) the front camera is 8MP(wide). the camera is powerful enough like most oppo smartphones who don't joke when it comes to phone cameras. 13MP Main camera with its large pixels is able to capture one in the clearest of forms.

The depth camera's main function is to give a professional outlook on whatever is captured.  It blurs the background so that the subject becomes the center of attention and gives a clearer expansion of reality on the back camera.

Performance

A 2.4 GHz Octa-Core Qualcomm Snapdragon is what will drive the Oppo A77 the processor is powerful enough to make sure that it can carry out whatever function that has been laid out to it. Thanks to the 4GB RAM it works hand in hand making sure that its performance is satisfactory to the user.

Battery

Oppo A77 has a 5000mAh battery that makes sure that you can use your smartphone the whole day without being disappointed at any given point. Smartphones are a means of communication with loved ones who are far and so at all times one wants to be accessible so as to not miss that connection. Oppa A77 will make sure that one is reachable at all times for those business or social calls.