The Vivo Y97 is a mid-range smartphone released in 2018. Here are its key features:  

Key Features:

• Display: 6.3-inch IPS LCD display with 1080 x 2280 pixels resolution
• Processor: MediaTek Helio P60 octa-core processor  
• RAM: 4GB or 8GB
• Storage: 128GB or 256GB, expandable via microSD card  
• Camera: 16MP rear camera and 16MP front camera  
• Battery: 3315mAh battery
• OS: Android 8.1 (Oreo) with Funtouch OS 4.5  

Additional Information:

• Design: Sleek design with a 19:9 aspect ratio
• Security: Rear-mounted fingerprint sensor
• Connectivity: 4G LTE, Wi-Fi, Bluetooth, GPS, USB Type-C  

Please note that while the Vivo Y97 was a popular choice at its release, it's an older model and might not be the latest in terms of technology and features. You may want to consider newer models from Vivo or other brands for the latest advancements.