Vivo Y17S (4/128GB) Smartphone Features:

1. Display:

   • Size: [Insert Display Size]
   • Type: [Insert Display Type, e.g., IPS LCD, AMOLED]
   • Resolution: [Insert Display Resolution]

2. Processor:

   • Type: [Insert Processor Model]
   • Speed: [Insert Processor Speed]

3. Storage:

   • RAM: 4GB
   • Internal Storage: 128GB
   • Expandable Storage: [If applicable, mention if it supports microSD cards and the maximum capacity]

4. Camera:

   • Rear Camera Setup: [Insert Megapixel count and details of each lens]
   • Front Camera: [Insert Megapixel count]

5. Battery:

   • Type: [Insert Battery Type, e.g., Li-Po]
   • Capacity: [Insert Battery Capacity in mAh]
   • Charging: [Insert Charging Technology, e.g., Fast Charging]

6. Operating System:

   • [Insert Operating System and version, e.g., Android 10 with FunTouch OS]

7. Connectivity:

   • [Insert Connectivity features, e.g., 4G LTE, Wi-Fi, Bluetooth, GPS]

8. Additional Features:

   • [Mention any unique or standout features, e.g., fingerprint sensor, face unlock, etc.]

9. Design:

   • [Describe the design aesthetics, materials used, and any special design elements]

10. Other Notable Points:

    • [Any additional information that sets the phone apart, e.g., special modes, audio enhancements, etc.]

It's essential to verify this information with the latest sources, as specifications and features may vary, and new models might have been released since my last update in January 2022.