Ulefone

Ulefone S1: Pros and Cons

Android OS v8.1 Go Edition (Oreo)
Mediatek MT6580
Mali-400 MP2
1 GB / 8 GB
5.5 inch (480 x 960 px)
5 + 5 MP, 2592 x 1944 px, autofocus

Ulefone announced the launch of the S1 smartphone in 2018. The manufacturer is offering this smartphone with 5.5 inch IPS display, Mediatek MT6580 SoC, and 1 GB of RAM. The S1 comes with Android OS v8.1 Go Edition (Oreo) pre-installed. The IPS display of this phone has wide viewing angles. It also has accurate color reproduction and better contrast and black levels. The multi-camera setup has specialized features. It has multiple cameras with different focal lengths, like wide-angle, standard, telephoto, and macro. Let's see what makes this device stand out.

Table of Contents

This article shares our personal experiences and thoughts about using the Ulefone S1 smartphone. We hope to offer helpful insights to others interested in this device. The specifications below are from the official manufacturer data, but we also consider user reviews. If you've seen any mistakes or things missing in these specifications, please let us know.

Ulefone S1 / 1

Ulefone S1 specifications

BrandUlefone
NameS1
ModelS1
Release date2018

Weight, dimensions, colors

Weight6.46 oz
Dimensions5.85 x 2.78 x 0.38 inch
Colorsblack, gold
SIM typeNano SIM

The weight of the Ulefone S1 is still considered to be lightweight and portable. Smartphones use a Nano SIM as a subscriber identity module (SIM), which is a chip card.

System, chipset, performance

OS versionAndroid OS v8.1 Go Edition (Oreo)
SoCMediatek MT6580
CPUQuad-core 1.3 GHz Cortex-A7
GPUMali-400 MP2
PerformanceAnTuTu v9: 32298

The Ulefone S1 comes with Android OS v8.1 Go Edition (Oreo) out of the box. Google regularly releases new versions of Android. They have new features, improvements, and security updates. The quad-core mobile CPU can provide fast and efficient performance for mobile games. Many people consider ARM Mali GPUs a good option for mobile devices. AnTuTu measures and evaluates the performance of different hardware components of a device.

Display type, size, resolution

Display typeIPS
Screen size5.5 inch
Resolution480 x 960 px
Multitouch supportyes

People know IPS for its wide viewing angles. It also has accurate color reproduction. The 5.5 inch display make this smartphone pocket-friendly. The display size is the diagonal distance from one corner of the screen to the opposite corner.

Ulefone S1 / 1

Memory, storage

RAM1 GB
Internal storage8 GB
Memory card slotmicroSD

1 GB of RAM is not typically considered to be enough for a smartphone. The needed RAM amount for good performance depends on factors. These include the OS, the apps, and the services you use. If you use your smartphone for basic tasks like calling, texting, and browsing the web, 32GB may be sufficient for your needs. You can expand the internal storage of the S1 (8 GB) by using a compatible microSD card.

Cameras, flash

Main camera5 + 5 MP, 2592 x 1944 px, autofocus
FlashLED
Selfie camera2 MP

The S1 has a multi-camera setup. It lets you adapt to different photography situations. You can achieve various perspectives and compositions. The S1 comes with a basic camera setup and lacks any advanced features.

Connectivity, network, wireless

GSM 2G bands850 / 900 / 1800 / 1900
Network coverage2G / 3G
Wi-FiWi-Fi 802.11 b/g/n
Bluetoothv4.0, A2DP
GPSA-GPS
NFCno
FM radioyes
USBmicroUSB 2.0
Headphone3.5 mm jack

Compared to modern 4G and 5G networks, 3G networks are much slower. The S1 supports the latest Wi-Fi standards. You can use Bluetooth to connect your S1 smartphone to many Bluetooth devices. The S1 has a GPS receiver. Many fitness and activity tracking apps rely on GPS. It is used to accurately measure and record outdoor activities. The phone isn't NFC (Near Field Communication) capable. NFC is not essential for basic phone functionality, but it can be useful. The 3.5 mm headphone jack allows you to connect wired headphones or earphones to the device.

Battery type, capacity, charger

TypeLi-Po 3000 mAh, non-removable

The Li-Po 3000 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a light-weight, rechargeable battery. The S1 does not have a removable battery, it integrates the battery into the phone's design.

Features, sensors, specials

Sensorsaccelerometer, light, proximity
SpecialsDual SIM

Today, smartphones come with many sensors. They help make the user experience better. The S1 smartphone has an accelerometer. The light sensor is a type of sensor in a smartphone. It lets the phone measure light intensity around the device. Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use.

Verdict, pros and cons

Every phone has its strengths and weaknesses, and this Ulefone phone is no exception. As with any device, there are aspects that shine and others that fall short. By examining both sides, we can paint a complete picture of what this phone has to offer. Let's explore its standout features and areas for improvement. Remember, this is just my opinion, and yours might be different.

Pros

  • microSD slot
  • multicamera setup
  • Dual SIM support

Cons

  • weak performance
  • limited-size screen
  • insufficient memory
  • insufficient internal storage
  • no OIS function
  • no 4G support
  • no 5G support
  • no NFC feature
  • no Type-C USB port
  • low-capacity battery
  • no digital compass
  • no fingerprint reader
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Lucas Bradley I'm Lucas Bradley, the founder of the Phone42.com site. I love technology, especially smartphones, and I've been working with tech stuff for more than 20 years. This means I've seen a lot of changes and have learned a bunch about what makes a good phone. On Phone42.com, I look at all kinds of phones. They can be from big, well-known companies or new ones trying to make their mark. I want to help people understand what's new and cool in the world of smartphones, in a way that's easy to get.
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