The Vivo Y73 runs Funtouch OS 11.1 is based on Android 11 and packs 128GB of inbuilt storage that can be expanded via microSD card (up to 1000GB) with a dedicated slot. The Vivo Y73 is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. The Vivo Y73 measures 161.24 x 74.30 x 7.38mm (height x width x thickness) and weighs 170.00 grams. It was launched in Diamond Flare and Roman Black colours. Connectivity options on the Vivo Y73 include Wi-Fi 802.11 ac, GPS, Bluetooth v5.00, USB Type-C, 3G, and 4G with active 4G on both SIM cards. Sensors on the phone include accelerometer, ambient light sensor, gyroscope, proximity sensor, and in-display fingerprint sensor.