The Oppo A77 4GB 128GB offers a decent combination of storage and performance with a reliable Snapdragon processor, ample RAM, and a substantial internal storage capacity. Its 5.5-inch Full HD display is complemented by a good camera setup, featuring a 13MP rear and 16MP front camera, suitable for various photography needs. The device also includes a fingerprint sensor for added security and convenience, along with standard connectivity options. However, its operating system might be considered slightly dated compared to more recent Android versions available in newer devices. Overall, it’s a balanced mid-range smartphone catering to users seeking a blend of performance, storage, and camera capabilities.