Ulefone

Ulefone Armor 21: Pros and Cons

Android OS v13.0
Mediatek Helio G99
Mali-G57 MC2
8 GB / 256 GB
6.58 inch (1080 x 2408 px)
57 + 24 MP, 9280 x 6180 px, autofocus

Ulefone announced the launch of the Armor 21 smartphone in 2023. The manufacturer is offering this smartphone with 6.58 inch IPS display, Mediatek Helio G99 SoC, and 8 GB of RAM. It comes with Android OS v13.0 out of the box, and a Li-Po 9600 mAh, non-removable battery. The 6.58 inch phone comes with a high resolution IPS display (1080 x 2408 px). The Armor 21 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 worth its price? Hopefully, it will become clear by the end of my review.

Table of Contents

This article shares our personal experiences and thoughts about using the Ulefone Armor 21 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.

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Ulefone Armor 21 specifications

BrandUlefone
NameArmor 21
ModelARMOR21
Release date2023
Price$400

Weight, dimensions, colors

Colorsblack
SIM typeNano SIM

Smartphones use a Nano SIM as a small chipcard for a subscriber identity module (SIM).

System, chipset, performance

OS versionAndroid OS v13.0
SoCMediatek Helio G99
CPUOcta-core, Dual-core 2.2 GHz Cortex-A76, Hexa-core 2 GHz Cortex-A55
GPUMali-G57 MC2
PerformanceAnTuTu v9: 375214

The Ulefone Armor 21 comes with Android OS v13.0 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. It's a powerful Mediatek Helio G99 octa-core processor. It can handle complex tasks and run many applications. 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 typeIPS
Screen size6.58 inch
Resolution1080 x 2408 px
Multitouch supportyes

The 6.58 inch IPS display has better features. These include optimal viewing angles, color accuracy, and unchanging color reproduction. The 6.58 inch display should be big enough for your needs. It will make viewing comfortable. This is true whether you're reading, browsing, or watching. The size of the screen is measured diagonally, from corner to corner.

Memory, storage

RAM8 GB
Internal storage256 GB
Memory card slotmicroSD

The 8 GB of RAM on the Ulefone Armor 21 should be more than enough to handle their daily needs without any major issues. More RAM lets you keep more apps and processes open in the background. This keeps the device from slowing down. The Armor 21 has 256 GB of internal storage, which is more than enough for their needs. You can expand the internal storage (256 GB) with a compatible microSD card.

Cameras, flash

Main camera57 + 24 MP, 9280 x 6180 px, autofocus
FlashLED
Selfie camera16 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 Armor 21 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 / 4G
Wi-FiWi-Fi 802.11 a/b/g/n/ac
Bluetoothv5.2, A2DP
GPSA-GPS, GLONASS
NFCyes
FM radioyes
USBUSB Type-C
Headphone3.5 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 Armor 21 smartphone is capable of connecting to Bluetooth devices. This phone has a built-in GPS. The Armor 21 comes with NFC (Near Field Communication) functionality. The 3.5 mm headphone jack allows you to connect wired headphones or earphones to the device.

Battery type, capacity, charger

TypeLi-Po 9600 mAh, non-removable

The Li-Po 9600 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 Armor 21 isn't removable without voiding the warranty.

Features, sensors, specials

Sensorsaccelerometer, barometer, compass, coulomb counter, fingerprint, geomagnetic, gravity, gyroscope, light, magnetometer, pedometer, proximity, thermometer
SpecialsCertified IP68 dustproof and waterproof, Corning Gorilla Glass 5, Dual SIM, Fast charging, Reverse wireless charging, Wireless charging

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 Armor 21 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 Armor 21 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. Wireless charging uses an electromagnetic field. It transfers energy between two objects through electromagnetic induction. Corning Gorilla Glass is tougher. It resists scratches, impacts, and drops.

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

  • appropriate screen size
  • generous memory
  • generous internal storage
  • microSD slot
  • multicamera setup
  • good battery
  • Dual SIM support
  • IP68 certified protection
  • wireless charging
  • Corning Gorilla Glass shield

Cons

  • weak performance
  • no OIS function
  • no 5G support
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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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