Ulefone S1 Pro Review, Dual Camera, Price, Performance & Full Specs


Ulefone S1 Pro is a device that really does not look like the Vertex Impress smartphones on the outside but when you look at it from the insides, they seem to relate.

Although Ulefone S1 Pro, released in November 2018, has no NFC technology like most of the Impress phones have, there are other areas like at the performance department and even at camera level, the device comes with moderate features.

Read on to find the price, design, display, network, battery, and other features of Ulefone S1 Pro.

Design and Display Ulefone S1 Pro

Body design of this device is simply plastic. The dimensions are 148 x 70.7 x 9.55 mm and it weighs 183 grams. It comes in two colors; black and gold. This device is not water resistant; it has no fingerprint sensor but there is face recognition technology.

Display type is 5.5 inches screen size; IPS LCD capacitive multi-touch screen. Pixel density is 195 ppi, screen resolution is 960 x 480, display colors are 16 million. Other display features are 18:9 aspect ratio, and 74.5 percent screen to body ratio, and 2.5D curved glass.

Camera Features

The dual primary camera setup is 8 MP interpolated to 13 MP, plus 5 MP f/2.2 aperture, working with dual LED flash. At the front there is a selfie camera and it is the secondary lens of 2 MP 480p. this is interpolated to 5 MP f/2.2 aperture. It comes without LED flash technology. The video performance is put at [email protected]

Cool camera features include the geotagging, auto focus, HDR, touch focus, face detection, and panorama.

Hardware and Software of Ulefone S1 Pro

Android OS v8.1 Oreo Go Edition runs the Ulefone S1 Pro and it will certainly upgrade to the latest Android 9 Pie. Also, MediaTek MT6739 chipset with process technology 28nm, working on 64-bit technology. There is also 1.3 GHz Quad-core Cortex A53 inside the device. Also as well, there is the PowerVR GE8100 GPU in the device.

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Storage Capacity and Sensors

Internal memory 1GB of RAM exists in the device which the user is unable to expand. However, its internal storage capacity is 16GB. This can be increased up to 64GB with a micro SD card used in one of the SIM card slots.

Sensors in the device include accelerometer, proximity, and ambient light.

Network and Connectivity

The device comes with supported network of GSM, HSPA, and LTE. In other words, this means that the device is 2G, 3G, and 4G compliant. There are two nano SIM card slots to make things happen.

Other connectivity components are Bluetooth v4.2, Wi-Fi, mobile hotspot, GPS, A-GPS, headphone jack, and micro USB 2.0. However, there are no infrared, NFC or HDMI in the Ulefone S1 Pro.

Battery Life

Powering the Ulefone S1 Pro is a good 3000 mAh Li-Ion non-removable battery, which has up to 11 hours and 250 hours of talk time and standby time respectively. Nevertheless, it has no wireless charging technology and no fast charging technology available.

Price and Availability

The official price of the Ulefone S1 Pro appears to be $99.99 USD. You may find the price different in some stores however. Regarding availability, the device is already in the smartphone market and available for purchase, having being released in November 2018.

Ulefone S1 Pro Full Technical Specification


  • Device Type


  • Model

Ulefone S1 Pro

  • Announced


  • Released


  • Status



  • Type


  • Dimensions

148.6 mm x 70.7 mm x 9.55 mm (5.85 x 2.78 x 0.38 mm)

  • Weight

183 g (6.46 oz)

  • Colors


  • Waterproof No
  • Fingerprint No
  • Face Recognition


  • Dedicated Keys

Volume, Power

  • Device Security

Face, Pin, Pattern, Password, Slide

  • Features

-Plastic body


  • Display Type

IPS LCD, Capacitive touch screen

  • Size


  • Secondary Display


  • Touch Screen

Yes, Multi touch

  • Pixel Density

~195 PPI

  • Resolution

960 x 480 Pixels

  • Display Colors
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16 M

  • Display Protection No
  • Features

-~74.5% screen-to-body ratio
-18:9 aspect ratio
-2.5D curved glass


  • Supported Network


  • 2G Network

GSM 850/ 900/ 1800/ 1900 MHz

  • 3G Network

HSPA 900/ 2100 MHz

  • 4G Network

LTE 800/ 900/ 1800/ 2100/ 2600 MHz
(Band 1, 3, 7, 8, 20)

  • SIM

Nano SIM

  • Hybrid Sim No
  • Dual SIM

Yes, Dual stand by


  • Chipset

MediaTek MT6739, 28nm, 64 bit

  • CPU

1.3 GHz Quad-core Cortex-A53

  • GPU

PowerVR GE8100, 570 MHz

  • RAM (Memory)

1 GB, 667 MHz, LPDDR3

  • Internal Storage

16 GB

  • Card Slot

Upto 64 GB (microSD)

  • Dedicated slot


  • Sensors

Ambient light


  • Operating System

Android OS v8.1 Oreo Go Edition

  • Java Support No
  • Youtube Yes
  • Facebook Yes


  • SMS

Yes (threaded view)

  • MMS Yes
  • Email


  • IM Yes


  • Primary

8 MP (Interpolation 13 MP) + 5 MP, f/2.2 aperture

  • Flash

dual LED

  • Front

2 MP (Interpolation 5 MP), f/2.2 aperture

  • Front Flash


  • Video

[email protected]

  • Camera Features

Touch focus
Face detection


  • Bluetooth

Yes, v4.2, A2DP

  • Infrared No
  • Wi-fi

Yes, Wi-Fi 802.11 a/b/g/n, dual band, WiFi direct

  • Wi-fi Hotspot Yes
  • GPS

Yes, A-GPS

  • NFC No
  • Wireless Charging


  • Headphone Jack Yes
  • HDMI No
  • USB

Micro USB 2.0


  • GPRS Yes
  • EDGE Yes
  • Speed

21 Mbps (HSDPA), 5.76 Mbps;(HSUPA); LTE 150/ 50 Mbps

  • Web Browser



  • Video Format

3GP, M4V, H.263, H.264, MOV, AVI, xVID, WMV, FLV, MP4, H.265

  • Audio Format

MP3, eAAC+, WAV, Flac player

  • FM Radio


  • Alert Types

Vibration, MP3

  • Ring Tones

Wav ring tones

  • Loudspeaker



  • Battery Type

Li-Ion (Lithium Ion)

  • Capacity


  • Placement


  • Talk Time

Up to 11 hrs

  • Standby

Up to 250 hrs


  • Features
  1. Document viewer
    2. Photo and video editor

==> Disclaimer: Specifications, Features & Price Shown For The Above Device Was Entered Manually. We Can Not Guarantee That The Info On This Page Is 100% Correct. If You Think That Any Information For The Current Device Is Wrong Or Missing, Please Don’t Hesitate To Contact Us.

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