The Vivo Y1s runs Funtouch OS 10.5 is based on Android 10 and packs 32GB of inbuilt storage that can be expanded via microSD card (up to 256GB). The Vivo Y1s is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. The Vivo Y1s measures 155.11 x 75.09 x 8.28mm (height x width x thickness) and weighs 161.00 grams. It was launched in Aurora Blue and Olive Black colours. Connectivity options on the Vivo Y1s include Wi-Fi, GPS, Bluetooth v5.00, USB OTG, Micro-USB, 3G, and 4G. Sensors on the phone include accelerometer, ambient light sensor, and proximity sensor.