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Oppo

Oppo K9s 5G (2021)

Android OS v11.0
Qualcomm Snapdragon 778G
Adreno 642
6 GB / 128 GB
6.59 inch (1080 x 2400 px)
64 + 8 + 2 MP, 9248 x 6936 px, autofocus

This phone comes equipped with a 6.59 inch IPS display, a Qualcomm Snapdragon 778G chipset, and 6 GB of RAM.

Discover its hidden sides, both good and bad!

Table of Contents

This article shares our personal experiences and thoughts about using the Oppo K9s 5G smartphone. We hope to offer helpful insights to others interested in this device.

Oppo K9s 5G / 1

Oppo K9s 5G specifications

BrandOppo
NameK9s 5G
ModelK9S
Release date2021

Weight, dimensions, colors

Weight7.02 oz
Colorsobsidian, purple, silver sea
SIM typeNano SIM

The weight of Oppo K9s 5G is about 7.02 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).

Oppo K9s 5G / 1

System, chipset, performance

OS versionAndroid OS v11.0
SoCQualcomm Snapdragon 778G
CPUOcta-core, Quad-core 2.4 GHz Cortex-A78, Quad-core 1.8 GHz Cortex-A55
GPUAdreno 642

The Oppo K9s 5G comes with Android OS v11.0 out of the box. Google has integrated many services with Android. These include Google Maps, Gmail, and Google Drive. An advanced scheduler manages this octa-core CPU. It assigns tasks to the CPU for real-time speed and power efficiency. Qualcomm's Snapdragon processors work with Adreno GPUs. The processors are designed for the GPUs.

Oppo K9s 5G / 2

Display type, size, resolution

Display typeIPS
Screen size6.59 inch
Resolution1080 x 2400 px
Multitouch supportyes

The 6.59 inch IPS display has better features. These include optimal viewing angles, color accuracy, and unchanging color reproduction. The 6.59 inch display should be big enough for our needs. It will make viewing comfortable. This is true whether we're reading, browsing, or watching. The size of the screen is measured diagonally, from corner to corner.

Oppo K9s 5G / 3

Memory, storage

RAM6 GB
Internal storage128 GB

The Oppo K9s 5G comes with 6 GB of RAM, which is considered to be sufficient for most users' needs. Having more RAM alone does not guarantee better performance. The K9s 5G has 128 GB of internal storage, which is more than enough for their needs.

Cameras, flash

Main camera64 + 8 + 2 MP, 9248 x 6936 px, autofocus
FlashLED
Selfie camera16 MP

Multiple cameras or depth sensors can help the smartphone. They can make its portrait mode effects more appealing. The K9s 5G does not have optical image stabilization (OIS).

Connectivity, network, wireless

GSM 2G bands850 / 900 / 1800 / 1900
Network coverage2G / 3G / 4G / 5G
Wi-FiWi-Fi 802.11 a/b/g/n/ac
Bluetoothv5.0, A2DP
GPSA-GPS, GLONASS
NFCyes
FM radiono
USBUSB Type-C
Headphone3.5 mm jack

The 5G networks use advanced technologies. These include millimeter-wave (mmWave) frequencies, massive MIMO, and network slicing. The phone is capable of connecting to Wi-Fi networks. The K9s 5G smartphone is capable of connecting to Bluetooth devices. The GPS allows this smartphone to find their exact location. It provides accurate navigation and mapping. This phone is NFC (Near Field Communication) capable. The 3.5 mm headphone jack allows us to connect wired headphones or earphones to the device.

Battery type, capacity, charger

TypeLi-Po 5000 mAh, non-removable

The Li-Po 5000 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 K9s 5G isn't removable without voiding the warranty.

Features, sensors, specials

Sensorsaccelerometer, compass, fingerprint, geomagnetic, gravity, gyroscope, light, pedometer, proximity, x-axis linear motor
SpecialsColorOS, Dual SIM, Fast charging

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer provides information about the smartphone's movement in three axes. These are X (horizontal), Y (vertical), and Z (depth). The K9s 5G 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 fast charging technology comes in handy when we need quick juice on our device.

Verdict, pros and cons

Every phone has its strengths and weaknesses, and this Oppo 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
  • adequate memory
  • generous internal storage
  • multicamera setup
  • 5G support
  • good battery
  • Dual SIM support

Cons

  • no OIS function
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Updated: June 4, 2024

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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