UMIDIGI Crystal

Brand: Umidigi
Category: Mobiles
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SoC: MediaTek
RAM: 4GB RAM
Storage: 64GB
Display: SHARP, FHD capacitive touchscreen
Camera: 5 MP/ 13 MP, 5 MP
OS: Android 7.0

Our Rating

The overall rating is based on review by our experts

8.3 4.2 1

Performance 8 / 10
Display 9 / 10
Design 9 / 10
Software 8 / 10
Camera 8 / 10
Battery 8 / 10
Value For Money 8 / 10

UMIDIGI announced its device with the name of the UMIDIGI Crystal in the year 2017. This device is old but popular these days with its extreme features and affordability. The handset is available in Black color in the market at $117.86 (8,783 in INR).

Let’s discuss some key features of this handset:

As we already know that UMIDIGI added plenty of big changes in their coming handsets which include design, displays, software, and so on. The UMIDIGI Crystal device comes with 5.5 inches SHARP, FHD capacitive touchscreen having 16M colors display brightness. It has a display resolution of 1080 x 1920 Pixels, 24-bit color depth with a 20:9 aspect ratio having a pixel density of 401 PPI.

Not only this, the device is protected with Corning Gorilla Glass 4 and a 2.5D curved glass screen and Scratch Resistant. The dimension of the phone measures 5.56 in x 2.94 in x 0.32 in and the weight is around 180 Grams (With Battery). It supports Dual SIM (Nano-SIM, dual stand-by).

The UMIDIGI runs on the Nougat OS based on Android 7.0. It is powered by MediaTek MT6750T chipset and Octa-Core 4 x 1.50GHz ARM Cortex-A53+ 4 x 1.0GHz ARM Cortex-A53 processor. It has a spot of ARM Mali-T880 MP2, 900 MHz, 2-Cores GPU. The phone is available in 4GB RAM with 64GB internal storage and supports microSD, microSDHC, microSDXC cards which can help in extendable memory up to 256GB (Uses SIM 2 Slot).

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Coming to the camera part, it packs dual cameras with 13 Megapixels + 5 Megapixels (Dual Camera) Samsung Sensor at the backside of the phone. Furthermore, the primary camera is capable of 1080p@30fps videos. The device has Autofocus, Continuous shooting, Digital zoom, Exposure compensation, Face detection, Geotagging, HDR, ISO settings, Panorama, Scene mode, Self-timer, Touch focus, White balance settings, Dual-LED Flash, and CMOS BSI Sensor features. Another side, the selfie camera is 5 Megapixels with 720p@120fps video capability.

The Crystal consists of Li-Poly (Lithium Polymer) 3000 mAh capacity with a Non-removable battery. The phone has a feature of Fast battery charging which is quite superb.

Sensors on the phone have included:

Proximity Sensor,
Accelerometer,
Ambient Light,
Gravity Sensor, and
Fingerprint Sensor (Rear Mounted)

Connectivity options include:

Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, Wi-Fi Hotspot,
Bluetooth- Yes Bluetooth v4.0 with A2DP Profile,
GPS with dual-band A-GPS, GLONASS, GALILEO, QZSS, NavIC, BDS (tri-band),
Infrared Port, and
USB- USB Type-C With OTG, Charging, and Mass Storage Function.

UMIDIGI Crystal - Specs

Network

5G Network
4G Network
3G Network
2G Network

Design

Type Design Type called form factor refers to a mobile phone's size, shape, and style as well as the layout and position of major components of phone. There are three major form factors seen in mobile phones => bar phones, folding phones and sliding phones.

Bar
Dimensions

5.56 in x 2.94 in x 0.32
Weight

180 Grams (With Battery)
Colors

Black
SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages.

Standard SIM

Display

Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor)

SHARP, FHD capacitive touchscreen
Size

5.5 inches
Resolution

1080 x 1920 Pixels
Display Colors Display Colors is refers to the number of different shades of colors that the screen is capable of displaying => 64K colors, 256K colors and 16 million colors, Obviously 16M is highest available range of colors and better than others.

16M Colors
Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality.

401 ppi
Display Protection Display Protection => Gorilla Glass is a special alkali-aluminosilicate glass shield with exceptional damage resistance that helps protect mobile displays from scratches, drops, and bumps of everyday use, It is always better to go for a smartphone with Gorilla Glass for that added protection and peace of mind.

Corning Gorilla Glass 4 and a 2.5D curved glass screen

Software

Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device.

Android 7.0
Skin UI or user interface of a device is the look and feel of the on-screen menu system. How it works, its color scheme, how it responds to button presses, all of these things are part of the user interface.

Nougat OS

Hardware

Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming.

MediaTek MT6750T
CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone.

Octa-Core 4 x 1.50GHz ARM Cortex-A53+ 4 x 1.0GHz ARM Cortex-A53
GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion.

ARM Mali-T880 MP2, 900 MHz, 2-Cores
RAM (Memory) RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices.

4 GB
Internal Storage Internal Storage is a data storage space (flash memory) mostly used in smartphones, tablets and other electronic devices where operating system, apps, music, photos, videos, files and other user data Is stored.

64GB
Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras.

Yes, up to 128 GB
Sensors Sensors are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device.

Proximity Sensor,
Accelerometer,
Ambient Light,
Gravity Sensor, and
Fingerprint Sensor (Rear Mounted)

Camera

Primary Camera is able to capture photographs and usually videos, The most important characteristics of a camera are the resolution (measured in megapixels), lens focus type (fixed or automatic), higher megapixel cameras are known to capture higher quality photos, but not always a good measurement of the photos quality.

5 MP/ 13 MP
Video

1080p@30fps
Camera Features

Autofocus, Continuous shooting, Digital zoom, Exposure compensation, Face detection, Geotagging, HDR, ISO settings, Panorama, Scene mode, Self-timer, Touch focus, White balance settings, Dual-LED Flash, and CMOS BSI Sensor

Battery

Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium.

Li-Poly (Lithium Polymer)
Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions.

3000 mAh

Connectivity

Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices.

Yes Bluetooth v4.0 with A2DP Profile
Wi-fi Wi-Fi is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world.

Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, Wi-Fi Hotspot
Infrared Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range.
USB

USB Type C 3.0
GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky.

GPS with dual-band A-GPS, GLONASS, GALILEO, QZSS, NavIC, BDS (tri-band)
NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches.
Headphone Jack