| General |
| Color |
Black |
| Brand |
ViVO |
| Model Name |
X21 |
| Model Number |
Vivo1725 / Vivo 1728 |
| Browse Type |
Smartphones |
| Sim Type |
Dual Sim |
| Keypad |
No |
| Hybrid Sim Slot |
Yes |
| Otg Compatible |
Yes |
| Touchscreen |
Yes |
| Sound Enhancements |
AK4376A Hi-Fi Chip |
| Sar Value |
Head - 1.18W/kg, Body - 0.573W/kg |
| Display Size |
15.95 cm (6.28 inch) |
| 3g |
Yes |
| Call Log Memory |
Yes |
| Resolution |
2280 x 1080 Pixels |
| Phone Book |
Yes |
| Resolution Type |
Full HD+ |
| Gpu |
Adreno 512 |
| Display Type |
Super AMOLED |
| Operating System |
Android Oreo 8.1 |
| Processor Type |
Qualcomm Snapdragon 660 AIE |
| Processor Core |
Octa Core |
| Primary Clock Speed |
2.2 GHz |
| Secondary Clock Speed |
1.8 GHz |
| Operating Frequency |
GSM - Bands B2 (3 / 5 / 8), 3G WCDMA - Bands (1 / 5 / 8), 4G LTE (FDD) - Bands (B1 / 3 / 5 /), LTE (TDD) - Band (40/41) |
| Internal Storage |
128 GB |
| Ram |
6 GB |
| Expandable Storage |
256 GB |
| Supported Memory Card Type |
microSD |
| Memory Card Slot Type |
Hybrid Slot |
| Primary Camera Available |
Yes |
| Primary Camera |
12MP + 5MP |
| Primary Camera Features |
2 x 12MP Dual Pixel Sensor (24 million Photographic Units), F1.8 (Rear 2L8) / F2.4 (Rear 4E8), Slow Motion / Backlight / Live Photo / Portrait Mode Bokeh (Dual Cameras) / Panorama / Ultra HD / PPT Mode / Professional Mode / Time Lapse / Face Beauty / AR Stickers |
| Secondary Camera Available |
Yes |
| Secondary Camera |
12MP Front Camera |
| Secondary Camera Features |
2 x 12MP Dual Pixel Sensor (24 million Photographic Units), F2.0 (Front 2L8), Live Photo / Face Beauty / Backlight / Portrait Mode Bokeh (Single Camera) / Panorama / AR Stickers |
| Flash |
Rear LED Flash and Front Screen Flash |
| Hd Recording |
Yes |
| Full Hd Recording |
Yes |
| Video Recording |
Yes |
| Video Recording Resolution |
Upto 4K (UHD) at 30 fps |
| Frame Rate |
30 fps |
| Network Type |
3G, 4G VOLTE, 2G |
| Supported Networks |
GSM, WCDMA, 4G VoLTE |
| Internet Connectivity |
4G, 3G, Wi-Fi |
| Pre Installed Browser |
VIVO Browser, UC Browser and Google Chrome |
| Micro Usb Port |
Yes |
| Micro Usb Version |
2.0 |
| Bluetooth Support |
Yes |
| Bluetooth Version |
4.2 |
| Wi Fi |
Yes |
| Wi Fi Version |
801.11b/g/n/ac |
| Additional Content |
BACK CASE |
| Wi Fi Hotspot |
Yes |
| Usb Connectivity |
Yes |
| In The Box |
Handset, Earphone, User Manual, MicroUSB to USB Cable, USB Power Adapter, SIM Ejector Pin, Protective Case, Protective Film (1 Applied) |
| Audio Jack |
3.5mm |
| Map Support |
Google Maps |
| Gps Support |
Yes |
| Smartphone |
Yes |
| Sim Size |
Dual Nano SIM |
| User Interface |
Funtouch OS 4.0 |
| Removable Battery |
No |
| Sms |
Yes |
| Graphics Ppi |
402 PPI |
| Sensors |
In Display Fingerprint, Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual Gyroscope |
| Browser |
Google Chrome, Samsung S-Browser 12.1 |
| Other Features |
Wi-Fi Speed - 2.4 GHz / 5 GHz, App Clone - WhatsApp, Facebook, WeChat, Instagram, Body Type Material (Glass), AI Technology, Hi-Fi Music, Google Services - Google, Play Store, Chrome, Gmail, Google Map, YouTube, Drive, Play Music, Play Movies & TV, Photos, Voice Search, Google Duo |
| Gps Type |
GLONASS |
| Battery Capacity |
3200 mAh |
| Width |
74.78 mm |
| Height |
154.45 mm |
| Depth |
7.37 mm |
| Weight |
156.2 g |
| Ratingcount |
1,911 Ratings &  290 Reviews |
| Stock |
0 |
