Connectivity
The Oppo A57 ensures a comprehensive range of connectivity options, including dual-band Wi-Fi, Bluetooth 5.3, and GPS for reliable location services. While it does not offer NFC, the phone compensates with USB Type-C 2.0 and OTG support, facilitating data transfer and connection to peripherals. Dual SIM support also enhances connectivity, allowing users to alternate between two network connections seamlessly.