Sound and Connectivity
For audio, the Redmi 9A includes a loudspeaker and the ever-reliable 3.5mm headphone jack, ensuring compatibility with traditional audio peripherals. On the connectivity front, the phone provides Wi-Fi 802.11 b/g/n, Bluetooth 5.0, and GPS functionality, which includes GLONASS and BDS support. While it lacks NFC, it retains an FM radio and supports microUSB 2.0 with OTG capabilities.