Sigma Mobile X-Treme PQ51: Pros and Cons
Sigma Mobile announced the launch of the X-Treme PQ51 smartphone in 2018. The manufacturer is offering this smartphone with 5.2 inch IPS display, Mediatek MT6737 SoC, and 2 GB of RAM. It comes with Android OS v7.0 (Nougat) out of the box, and a Li-Po 3700 mAh, non-removable battery. The 5.2 inch phone comes with a high resolution IPS display (720 x 1280 px). The X-Treme PQ51 has a multi-camera setup. The lens offers versatility. It lets you capture a wide range of subjects and scenes from different perspectives. Is this phone a good value for its price? My review aims to answer that question by the end.
Table of Contents
- Sigma Mobile X-Treme PQ51 specifications
- Weight, dimensions, colors
- System, chipset, performance
- Display type, size, resolution
- Memory, storage
- Cameras, flash
- Connectivity, network, wireless
- Battery type, capacity, charger
- Features, sensors, specials
- Verdict, pros and cons
This article shares our personal experiences and thoughts about using the Sigma Mobile X-Treme PQ51 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.
Sigma Mobile X-Treme PQ51 specifications
Brand | Sigma Mobile |
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Name | X-Treme PQ51 |
Model | PQ51 |
Release date | 2018 |
Weight, dimensions, colors
Weight | 7.55 oz |
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Dimensions | 5.83 x 2.99 x 0.47 inch |
Colors | black, red |
SIM type | Nano SIM |
The weight of Sigma Mobile X-Treme PQ51 is about 7.55 oz with battery. This is average for smartphones of the same size. Smartphones use a Nano SIM as a small chipcard for a subscriber identity module (SIM).
System, chipset, performance
OS version | Android OS v7.0 (Nougat) |
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SoC | Mediatek MT6737 |
CPU | Quad-core 1.3 GHz Cortex-A53 |
GPU | Mali-T720 MP1 |
Performance | AnTuTu v9: 43034 |
The Sigma Mobile X-Treme PQ51 comes with Android OS v7.0 (Nougat) out of the box. Android is a mobile operating system. Google built it using a modified version of the Linux kernel. They also used other open-source software. The mid-range CPU can deliver fast, efficient performance for many tasks. Many mobile devices use ARM Mali GPUs. They are well known for their good performance and power efficiency. We use AnTuTu app to measure general processing performance. AnTuTu Benchmark is the most popular benchmark app for Android phones.
Display type, size, resolution
Display type | IPS |
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Screen size | 5.2 inch |
Resolution | 720 x 1280 px |
Multitouch support | yes |
The 5.2 inch IPS display has better features. These include optimal viewing angles, color accuracy, and unchanging color reproduction. The 5.2 inch display make this smartphone pocket-friendly. The size of the screen is measured diagonally, from corner to corner.
Memory, storage
RAM | 2 GB |
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Internal storage | 16 GB |
Memory card slot | microSD |
The smartphone has 2 GB of RAM. It can run many apps at once without much lag or slowness. More RAM lets you keep more apps and processes open in the background. This keeps the device from slowing down. Most people think a smartphone needs at least 32 GB of storage. The X-Treme PQ51 has only 16 GB. You can expand the internal storage (16 GB) with a compatible microSD card.
Cameras, flash
Main camera | 13 + 0.3 MP, 4160 x 3120 px, autofocus |
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Flash | LED |
Selfie camera | 5 + 0.3 MP |
Using multiple cameras has advantages. They provide more versatility and creative possibilities. They let you capture a wider range of subjects. The main camera of X-Treme PQ51 smartphone does not have OIS. The optical image stabilization (OIS) is an important feature in smartphones.
Connectivity, network, wireless
GSM 2G bands | 850 / 900 / 1800 / 1900 |
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Network coverage | 2G / 3G / 4G |
Wi-Fi | Wi-Fi 802.11 b/g/n |
Bluetooth | v4.0, A2DP |
GPS | A-GPS, GLONASS |
NFC | no |
FM radio | yes |
USB | microUSB 2.0 |
Headphone | 3.5 mm jack |
The 4G provides faster data transfer speeds compared to previous generations. This phone like all modern smartphones, is capable of connecting to Wi-Fi networks. The X-Treme PQ51 smartphone is capable of connecting to Bluetooth devices. This phone has a built-in GPS. 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
Type | Li-Po 3700 mAh, non-removable |
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The Li-Po 3700 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a light-weight, rechargeable battery. The battery of X-Treme PQ51 isn't removable without voiding the warranty.
Features, sensors, specials
Sensors | accelerometer, fingerprint, light, magnetometer, proximity |
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Specials | Corning Gorilla Glass 3, Dual SIM, Fast charging, Certified IP68 dustproof and waterproof |
Today, smartphones come with many sensors. They help make the user experience better. The accelerometer is a sensor. It measures the tilting motion and orientation of the phone. The X-Treme PQ51 phone has a fingerprint scanner. The light sensor detects the level of light in the environment. Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use.
The X-Treme PQ51 is safe and durable. It's IP68-rated, so it's dustproof and waterproof. It's built for outdoor use. The fast charging technology comes in handy when you need quick juice on your device. Corning Gorilla Glass is tougher. It resists scratches, impacts, and drops.
Verdict, pros and cons
Every phone has its strengths and weaknesses, and this Sigma Mobile 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 selfie camera
- Dual SIM support
- IP68 certified protection
- Corning Gorilla Glass shield
Cons
- weak performance
- limited-size screen
- insufficient internal storage
- no OIS function
- no 5G support
- no NFC feature
- no Type-C USB port
- low-capacity battery
- no digital compass
Please let us know if you find incorrect information or something isn't working. Also, tell us if you have a suggestion for improvement.