DEXP

DEXP B255: Pros and Cons

Android OS v7.0 (Nougat)
Mediatek MT6580A
Mali-400 MP2
1 GB / 8 GB
5.5 inch (640 x 1280 px)
8 + 0.3 MP, 3264 x 2448 px, autofocus

DEXP announced the launch of the B255 smartphone in 2018. The manufacturer is offering this smartphone with 5.5 inch IPS display, Mediatek MT6580A SoC, and 1 GB of RAM. The B255 comes with Android OS v7.0 (Nougat) pre-installed. This phone has an IPS display, it provides wide viewing angles. This means the screen stays clear and consistent. The multi-camera setup has specialized features. It has multiple cameras with different focal lengths, like wide-angle, standard, telephoto, and macro. Is the cost justified by its features? I'll strive to answer that by the end of my review.

Table of Contents

This article shares our personal experiences and thoughts about using the DEXP B255 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.

DEXP B255 / 1

DEXP B255 specifications

BrandDEXP
NameB255
ModelB255
Release date2018

Weight, dimensions, colors

Weight5.33 oz
Dimensions5.82 x 2.81 x 0.35 inch
Colorsgray
SIM typeNano SIM

The weight of the DEXP B255 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 v7.0 (Nougat)
SoCMediatek MT6580A
CPUQuad-core 1.3 GHz Cortex-A7
GPUMali-400 MP2

The DEXP B255 comes with Android OS v7.0 (Nougat) out of the box. Android is an open-source operating system. This means users and developers have more control over the software. 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.

DEXP B255 / 1

Display type, size, resolution

Display typeIPS
Screen size5.5 inch
Resolution640 x 1280 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.

Memory, storage

RAM1 GB
Internal storage8 GB
Memory card slotmicroSD

1 GB of RAM is not typically considered to be enough for a smartphone. More RAM lets you keep more apps and processes open in the background. This keeps the device from slowing down. 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 B255 (8 GB) by using a compatible microSD card.

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Cameras, flash

Main camera8 + 0.3 MP, 3264 x 2448 px, autofocus
FlashLED
Selfie camera2 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 B255 smartphone does not have OIS. The optical image stabilization (OIS) is an important feature in smartphones.

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 B255 supports the latest Wi-Fi standards. You can use Bluetooth to connect your B255 smartphone to many Bluetooth devices. The B255 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 B255 does not have a removable battery, it integrates the battery into the phone's design.

Features, sensors, specials

Sensorsaccelerometer
SpecialsDual SIM

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. 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 DEXP 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

  • 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
Add DEXP B255 to your comparison

Please let us know if you find incorrect information or something isn't working. Also, tell us if you have a suggestion for improvement.

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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