X21 UD Review, Price, Specs & Features (2018)
vivo • Released on Released 2018, March
X21 UD is one of the latest smartphones from vivo in 2018. This X21 UD review covers all the key features, specifications, price, and expert analysis you need to know before buying. If you're looking for a powerful, affordable, and feature-rich phone, the X21 UD could be your best choice in 2018.
The X21 UD features a 6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio) display, 12 MP camera, 6 GB ram, 128GB storage, microSDXC storage, and a 3200 mAh battery, . Powered by Qualcomm SDM660 Snapdragon 660 (14 nm) and running on Android 8.1 (Oreo), Funtouch 4, this device is designed for users who demand performance and reliability.
In this detailed X21 UD review, you'll find the latest price, user reviews, expert opinions, and a comparison with other top vivo phones. Whether you're interested in the X21 UD camera, battery life, gaming performance, storage or we've got you covered.
X21 UD Specifications
- Display: 6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio) screen for immersive viewing experience
- Camera: 12 MP camera system for high-quality photography
- Performance: 6 GB RAM for smooth multitasking
- Storage: 128GB storage, microSDXC internal storage for apps and media
- Battery: 3200 mAh battery for all-day usage
Network
| Technology | GSM / CDMA / HSPA / LTE |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Bands | 1, 2, 3, 5, 8, 34, 38, 39, 40, 41 |
| Speed | HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps |
Launch
| Announced | 2018, March |
| Status | Available. Released 2018, March |
Body
| Dimensions | 154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in) |
| Weight | 156.2 g (5.50 oz) |
| Build | Glass front (Gorilla Glass 3), aluminum back, aluminum frame |
| SIM | Nano-SIM + Nano-SIM |
Display
| Type | Super AMOLED |
| Protection | Corning Gorilla Glass 3 |
Platform
| OS | Android 8.1 (Oreo), Funtouch 4 |
| Chipset | Qualcomm SDM660 Snapdragon 660 (14 nm) |
| CPU | Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| GPU | Adreno 512 |
Memory
| Card slot | microSDXC (uses shared SIM slot) |
| Internal | 128GB 6GB RAM |
Sound
| Loud Speaker | Yes |
Comms
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 5.0, A2DP, LE |
| Positioning | GPS, GLONASS |
| NFC | No |
| Radio | FM radio |
| USB | microUSB 2.0, OTG |
Battery
| Type | Li-Ion 3200 mAh, non-removable |
Features
| Sensors | Fingerprint (under display, optical), accelerometer, proximity, compass |
MISC
| Colors | Black, Ruby Red |
| Models | X21UD A |
| Disclaimer: We cannot guarantee that the information on this page is 100% correct. |
FAQ
Water resistance varies by model. Check the device specifications for IP rating details.
No, this product does not support 5G connectivity.
X21 UD runs Android 8.1 (Oreo), Funtouch 4.
No, this product does not support wireless charging.
The X21 UD features a 3200 mAh battery capacity.
The X21 UD comes with a 12 MP main camera.
The X21 UD features a 6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio) display. With 1080 x 2280 pixels, 19:9 ratio (~402 ppi density) resolution for crisp and clear visuals. The Super AMOLED technology ensures vibrant colors and excellent viewing angles.
The X21 UD is equipped with 6 RAM for smooth multitasking and performance. Combined with the Qualcomm SDM660 Snapdragon 660 (14 nm) processor, it delivers excellent performance for daily tasks and gaming.
Expert Analysis
Our team of mobile technology experts has analyzed the X21 UD specifications to help you understand how this device compares to other smartphones in its category. This comprehensive guide provides detailed insights into the phone's capabilities, performance potential, and suitability for different use cases.
Who Should Consider This Phone?
The X21 UD is ideal for users who prioritize photography, smooth performance, ample storage, long battery life . Whether you're a casual user, content creator, or business professional, this device offers the features you need for modern smartphone usage.
Why Choose X21 UD?
The X21 UD stands out in the competitive smartphone market with an impressive 6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio) display, an advanced 12 MP camera system, a long-lasting 3200 mAh battery, a powerful Qualcomm SDM660 Snapdragon 660 (14 nm) processor.
Why Buy X21 UD?
- Latest Qualcomm SDM660 Snapdragon 660 (14 nm) smartphone from vivo with excellent value for money
- Powerful Qualcomm SDM660 Snapdragon 660 (14 nm) and 6 GB RAM for smooth multitasking
- Long-lasting 3200 mAh battery and fast charging support
- High-resolution 12 MP camera for stunning photos and videos
- Large 6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio) display for immersive viewing
- Runs on Android 8.1 (Oreo), Funtouch 4 with regular updates
- Great for gaming, streaming, and everyday use
X21 UD vs Competitors
Compare X21 UD with other popular smartphones in its price range:
- Evolve X vs X21 UD
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Use our phone comparison tool to see detailed specs and prices side by side.
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