The Vivo Y55 4G runs Funtouch OS 12, which is based on Android 12 and comes with 128GB of internal storage. The device has a 6.44-inch touchscreen display with a resolution of 1,080×2,400 pixels (FHD+) and a pixel density of 408 pixels per inch (PPI). The Vivo Y55 4G has 8GB of RAM. The Vivo Y55 4G is powered by a 5,000 mAh non-removable battery and runs Android 12. The Vivo Y55 4G is compatible with Quick Charge rapid charging.