Vivo S1 Review

Vivo recently launched in the Indian market Vivo Z1 Pro ,review) was dropped. Its price was very tempting. We also praised this phone in our review. Now the Chinese company has launched a slightly expensive phone Vivo S1 in the market. It is part of the company’s new S-series, where the ‘S’ stands for style. There is no doubt that Vivo S1 is very stylish. Does it have any merit in its performance? Let’s know…

Vivo S1 Design

Vivo smartphone They are generally very sleek and with beautiful designs. New phones are also part of this league. Vivo S1 It has a 6.38-inch display and has a dewdrop notch at the top. Vivo has given AMOLED panel in this phone. Vivo S1 comes with in-display fingerprint sensor. The borders of the display are very thin. But the border of the portion is a bit wide.

Vivo S1 has been made available in two colors – Diamond Black and Skyline Blue. We have reviewed the Diamond Black unit. The back is laminated, and there’s a diamond pattern design and gradient color finish. On the basis of falling light, a diamond pattern comes out on the back, which is very beautiful in appearance.

However, we did not like the material used on the back panel of Vivo S1. It gets scratched easily. here to the company redmi note 7 pro ,reviewLike Corning Gorilla Glass should have been given. Vivo S1 comes with triple rear camera setup. The camera module is protruding. But the metal rim on the edge gives them protection from scratching.

Vivo has relied on the plastic frame which is curved at the edge. For this reason, the grip of the phone remains good. The back panel is not found on the frame smoothly. Vivo has given the volume button along with the power button on the right side of the handset. These are easily accessible. Like Vivo Z1 Pro, Vivo S1 also has a separate button for Google Assistant.


We were disappointed to see the Micro-USB port on the Vivo S1. Because at this price companies have started giving USB Type-C port. The microUSB port has been found at the bottom along with the loudspeaker and 3.5mm headphone jack. While the SIM tray is on the left.

Vivo S1 Specification and Software

Vivo S1 is the first smartphone in India to come with MediaTek Helio P65 processor. Helio P65 is a mid-range processor which is built on 12nm process. Mali G52 is integrated in the phone for graphics.

Vivo has launched three variants of Vivo S1 in India. The initial variant is with 4 GB RAM and 128 GB storage. The second variant is equipped with 6 GB RAM and 64 GB storage. The most premium variant has 128 GB storage with 6 GB RAM. These variants are priced at Rs 17,990, Rs 18,990 and Rs 19,990 respectively. We have reviewed the top variants of the phone. Out of box we got 100 GB storage. Looking at the price, it can be said that Vivo S1 will be directly launched in the market. realme x ,review) And Oppo K3 ,review) will be challenged.

Vivo S1 is a dual-SIM device. It has a slot for two Nano-SIMs. There is also a separate slot for microSD card. Connectivity features of Vivo S1 include Bluetooth 5, dual-band Wi-Fi, GPS, FM radio, dual 4G VoLTE and common sensors. The battery of Vivo S1 is 4500 mAh. Apart from this, an 18 W fast charger will be available in the retail box.


Vivo S1 runs on Funtouch OS based on Android 9 Pie. That is, the UI of the phone is completely customized. Understanding the device will not be easy if you have never used a Vivo smartphone before. There is no app drawer in it. All the app icons are on the home screen. FunTouch has a command center similar to iOS.

There are many unwanted apps already present in Vivo phone. Such as Dailyhunt, Helo, Facebook, Gaana, Amazon Shopping, PhonePe, Paytm, and many more. The good thing is that we did not face notification spam in the phone like Oppo A9 (Review).

Vivo S1 performance, battery life and cameras

The MediaTek Helio P65 used in Vivo S1 performs well in normal usage. You will never complain. The smartphone launches the app quickly. You can play any game or use the app available on Google Play Store. We didn’t have to wait long for an app to open. The Vivo S1 also has excellent control over battery consumption, especially when the phone is not in use. There was no problem in multitasking due to the use of 6 GB RAM variants. We did not need to close any app in the background.

The AMOLED panel of Vivo S1 comes with excellent viewing angles. There was not much problem in reading on the phone even outside. However, the speaker at the bottom doesn’t make a very loud sound. Because of this, media entertainment on Vivo S1 is not that fun. We tested the face recognition with the in-display fingerprint sensor on the device. The in-display scanner quickly unlocks the phone by scanning the finger. Even though Face Unlock is not the most secure way to unlock a smartphone. But it is very fast and convenient.

PUBG Mobile on Vivo S1 ran on the medium preset. Graphics was set to Balanced and frame rate to Medium. We played this game for about 20 minutes on the phone. During this the handset got hot and the battery consumption was 5 percent.


Vivo S1 will be known for excellent battery life. It easily supported for about a day and a half. During this we did benchmark testing. Took some pictures. During this time the WhatsApp account was also active on the device. In our HD video loop test, the smartphone died in 16 hours and 38 minutes. The charger provided with this charged the phone’s battery to 34 percent in 30 minutes and 65 percent in an hour.

Vivo has given three cameras on the back of the phone. There is a 16-megapixel primary camera with f / 1.78 aperture, an 8-megapixel ultra-wide-angle camera with f / 2.2 aperture and a 2-megapixel depth sensor. A 32-megapixel selfie camera with F / 2.0 aperture has been given on the front panel.

Tap to view full-size Vivo S1 camera samples

The camera app is the same as that of the Vivo Z1 Pro. You have several modes. There are quick toggles for HDR, Live Photos, Filters and Aperture Mode. There’s a quick toggle to switch between regular and wide angle lenses.

Looking at the price, we would say that the pictures taken with the camera of Vivo S1 were below average. The phone focused quickly in daylight. But we found that the photos were underexposed. The details were satisfactory. Could go farther to read texts. If this scene is captured with an ultra-wide-angle sensor, then a better exposure scene comes. But in this situation the details fall short.

Close up shots were good. Vivo S1 locks focus quickly. Exposure was also accurate. However, the colors didn’t always come out accurate. Portrait mode comes with different lightning effects. Which you can use before tapping on the shutter button. The output had good edge detection.

Vivo has a separate aperture mode which is used for taking bokeh shots. While taking portrait shots in this mode, we found that the blur effect was not consistent. Edge detection was nothing special even in this mode.

The camera has AI Portrait Framing feature which helps you to create a scene properly. The Vivo S1 takes the shot automatically when the frame is set.

The camera performance of Vivo S1 is average even in low light, as the phone was not able to capture details. We couldn’t find any night mode in the camera app. Probably this mode would have improved the performance of the phone’s camera in low light. Detail comes in selfie but Vivo S1 overexposes the scene. You can also take portrait shots in selfie mode. In our experience, the phone was perfect in terms of edge detection.

You will be able to record videos of maximum 1080 pixels with the primary and selfie cameras. We found that the Vivo S1 did not have video stabilization. This was shocking information considering the price.

our decision
Vivo S1 is another Vivo brand smartphone under Rs 20,000. It has an intriguing design and comes with an in-display fingerprint sensor. The new MediaTek Helio P65 processor has been used in the phone, which is only slightly better than the MediaTek Helio P70 in some benchmark tests. Talking about the processor capacity, the performance of Vivo S1 was around the handset with Qualcomm Snapdragon 660 processor, which will be available for about Rs 10,000 less than its price as of today.

The battery life of Vivo S1 is good. But its camera performance disappointed us. Considering the budget of Rs 19,990, you have strong options like Realme X (Review) or Oppo K3 (Review). Redmi K20 can be bought by spending a little more.

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