Vivo announced the launch of the X21s smartphone in 2018. The manufacturer is offering the Vivo X21s phone with 6.41 inches display, Qualcomm Snapdragon 660 MSM8976 Plus chipset, 6 GB of RAM and 128 GB of internal storage.
The Vivo X21s comes with Android OS v8.1 (Oreo) out of the box, and a Li-Po 3330 mAh, non-removable battery. The 6.41 inches phone comes with AMOLED display (1080 x 2340 px). The AMOLED is a display technology and stands for Active Matrix Organic Light Emitting Diodes, it is a type of OLED display and is used in smartphones.
Vivo X21s specifications
| Brand | Vivo |
|---|---|
| Name | X21s |
| Model | V1814A |
| Release date | 2018 |
Body
The weight of Vivo X21s is about 5.5 oz with battery, which is average compared to most of the smartphones with same size. The dimensions of this Vivo phone are average (6.22 x 2.96 x 0.31 inches).
| Weight | 5.5 oz |
|---|---|
| Dimensions | 6.22 x 2.96 x 0.31 inches |
| Colors | black, blue, gold |
| SIM type | Nano SIM |
System
The Vivo X21s comes with Android OS v8.1 (Oreo) out of the box, but it is upgradable to the next OS.
| OS version | Android OS v8.1 (Oreo) |
|---|---|
| SoC | Qualcomm Snapdragon 660 MSM8976 Plus |
| CPU | Octa-core, Quad-core 2.2 GHz Kryo, Quad-core 1.84 GHz Kryo |
| GPU | Adreno 512 |
Display
The size of X21s screen is measured diagonally, from corner to corner. The 6.41 inches Super AMOLED display of Vivo X21s with 1080 x 2340 px resolution is multitouch capable.
| Display type | Super AMOLED |
|---|---|
| Screen size | 6.41 inches |
| Resolution | 1080 x 2340 px |
| Multitouch support | yes |
Memory
The internal memory of Vivo X21s (6 GB) cannot be expanded, but the internal storage (128 GB) can be expanded with a compatible microSD card.
| RAM | 6 GB |
|---|---|
| Internal storage | 128 GB |
| Memory card slot | microSD |
Camera
The camera of the X21s is equipped with autofocus. An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. Very few Android cameras come without autofocus. The main camera of X21s has optical image stabilization (OIS) to counteract camera shake. Optical image stabilization is a must for anyone shooting without a tripod with a long lens or in low light conditions.
| Selfie camera | 25 MP |
|---|---|
| Main camera | 12 + 5 MP, 4032 x 3024 px, autofocus, optical image stabilization |
| Flash | LED |
Connectivity
The Vivo X21s supports 2G, 3G and 4G/LTE networks. This phone has a built-in GPS. GPS is a highly accurate navigation system using signals from satellites to determine a location on the Earth's surface, irrespective of weather conditions. Most phones have a GPS unit on board. The X21s phone doesn't have built-in FM radio.
| GSM 2G bands | 850 / 900 / 1800 / 1900 |
|---|---|
| Network coverage | 2G / 3G / 4G |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac |
| Bluetooth | v5.0, A2DP |
| GPS | A-GPS, GLONASS |
| NFC | no |
| FM radio | no |
| USB | microUSB 2.0 |
| Headphone | 3.5 mm jack |
Battery
The Li-Po 3330 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a thin, light-weight, rechargeable battery. No periodic discharge is needed and charging can be done at random. The battery of X21s isn't removable without voiding the warranty.
| Type | Li-Po 3330 mAh, non-removable |
|---|
Features
Smartphones today come with a wealth of sensors to facilitate a better user experience. The accelerometer is a sensor that measures the tilting motion and orientation of the phone. The X21s phone has a fingerprint scanner. This sensor identifies and authenticates the fingerprints of an individual in order to grant or deny access to a smartphone. This Vivo phones comes with proximity sensor. This proximity sensor detects how close the phone is to an outside object, such as your ear. The Dual SIM capability of Vivo X21s phone is ideal for businesses wishing to provide staff with a mobile device that can offer separate numbers and bills for both personal and business use. This smartphone supports fast charging technology, which comes in handy when you need quick juice on your device.
| Sensors | accelerometer, compass, fingerprint, gyroscope, in-display fingerprint sensor, light, proximity |
|---|---|
| Specials | Corning Gorilla Glass 3, Dual SIM, Fast charging |
The specifications above are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Vivo X21s, then don’t hesitate and signal the problem to us.
Vivo X21s pictures
Vivo X21s's comparisons
According to our statistics, the Vivo X21s smartphone was most often compared on our site with the following smartphones.
Please let us know if you find incorrect information or something isn't working, or if you have a suggestion for improvement. Our e-mail address is webmaster@phone42.com.