Koobee S509: Pros and Cons

Koobee announced the launch of the S509 smartphone in 2018. The manufacturer is offering this smartphone with 5.7 inch IPS display, Mediatek MT6737M SoC, and 3 GB of RAM. The S509 comes with Android OS v6.0 (Marshmallow) pre-installed. This phone uses a high resolution 720 x 1440 px, 5.7 inch IPS display. This phone has only one rear-camera (13 MP, 4160 x 3120 px, autofocus) on its back for photos and videos. Let's see what makes this device stand out.

Table of Contents

• Koobee S509 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 Koobee S509 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.

Koobee S509 specifications

Weight, dimensions, colors

The weight of the Koobee S509 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

The Koobee S509 comes with Android OS v6.0 (Marshmallow) out of the box. Android is an open-source operating system. This means the source code is free to the public. 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.

Display type, size, resolution

People know IPS for its wide viewing angles. It also has accurate color reproduction. The 5.7 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

The smartphone has 3 GB of RAM. It can run many apps at once without much lag or slowness. Having more RAM alone does not guarantee better performance. Generally, a smartphone should have a minimum of 32 GB of internal storage. The S509 has 32 GB. You can expand the internal storage of the S509 (32 GB) by using a compatible microSD card.

Cameras, flash

You may have budget limits. Or, you may prioritize other features over a multi-camera system. If so, this single camera setup can be a good choice. The S509 does not have optical image stabilization (OIS).

Connectivity, network, wireless

The Koobee S509 supports 4G/LTE networks. The S509 supports the latest Wi-Fi standards. You can use Bluetooth to connect your S509 smartphone to many Bluetooth devices. The S509 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

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 S509 does not have a removable battery, it integrates the battery into the phone's design.

Features, sensors, specials

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 fingerprint reader is a biometric security feature found in S509 smartphones. The light sensor is a type of sensor in a smartphone. It lets the phone measure light intensity around the device. 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 Koobee 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.

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

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.