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Celkon A9 Dual Specs Pricing Pros & Cons Uncovered

Release Date
2014
Camera
2MP
Battery
1350mAh
Screen
3.5"
Storage
512MB 256MB RAM , microSDHC slot
Ram
256MB RAM
Operating System
Android 4.2.2

Overview of Celkon A9 Dual

The Celkon A9 Dual is a budget smartphone that was launched in 2014. It comes with entry-level specifications and is targeted towards users who need basic smartphone functionalities. The phone has since been discontinued but remains a subject of interest for enthusiasts of early Android devices.

Design and Build

The Celkon A9 Dual features a compact design with dimensions of 120.5 x 63.9 x 10.6 mm and weighs 116 grams. The device is designed to be lightweight and portable, making it easy to carry around in pockets and small bags. It is available in two colors, White and Black, offering some variety in terms of aesthetics. The device supports dual SIM functionality, allowing users to use two different phone numbers on a single device, which was particularly appealing for those who wanted to separate work and personal calls.

Display

The smartphone is equipped with a 3.5-inch TFT display, providing a resolution of 320 x 480 pixels. The pixel density of approximately 165 ppi, while relatively low compared to modern standards, was typical for budget phones of its time. The screen offers basic functionality for viewing texts and images but is not designed for high-definition media consumption.

Hardware and Performance

At the heart of the Celkon A9 Dual is a Dual-core 1.0 GHz processor, which, in conjunction with 256MB of RAM, delivers a basic level of performance. The internal storage capacity is limited to 512MB, but it can be expanded via a microSDHC card slot, allowing users to store additional media and applications. While these specs are quite limited, they were sufficient for running the Android 4.2.2 Jelly Bean operating system and basic applications smoothly at the time of its release.

Camera

Photography on the Celkon A9 Dual is facilitated by a single 2 MP rear camera, which provides basic photo-taking capabilities. This is complemented by a VGA front camera for selfies and video calls. The lack of advanced camera features such as autofocus and LED flash limits the quality of images, but it serves well for capturing simple shots.

Battery Life

Powering the Celkon A9 Dual is a Li-Ion 1350 mAh battery. According to the manufacturer, the phone can achieve up to 240 hours of standby time and around 3 hours and 20 minutes of talk time. Although the battery capacity may seem low by today's standards, it was adequate for a device with modest hardware and a small screen size.

Network and Connectivity

The device supports GSM network bands in the 900/1800 MHz frequencies, with GPRS and EDGE providing basic mobile data capabilities. Wi-Fi 802.11 b/g/n support allows for connecting to wireless networks, and a hotspot function enables tethering the phone's internet connection. Bluetooth 2.0 is available for pairing with compatible devices, and GPS functionality is included for navigation. However, the phone lacks advanced connectivity features such as NFC. Additionally, it includes an FM radio and a microUSB 2.0 port for charging and data transfer.

Sound and Audio

The sound system of the Celkon A9 Dual includes a loudspeaker and 3.5 mm headphone jack, accommodating standard audio accessories. While the audio output is adequate for calls and media playback, it lacks the stereo quality and high-fidelity output found in more advanced smartphones.

Sensors and Additional Features

Basic sensors like the accelerometer are part of the Celkon A9 Dual's hardware, allowing for functionality such as auto-rotation of the screen when the device is tilted. However, advanced sensors that are common in modern smartphones, like proximity sensors or gyroscopes, are absent.

Final Thoughts

The Celkon A9 Dual appeals to users looking for a straightforward, affordable mobile experience. While the device is discontinued and its specifications are outpaced by modern smartphones, it serves as an excellent example of early budget Android smartphones. It was particularly suited for users in emerging markets and for those looking to transition from feature phones to smartphones without significant investment.

Main Features of Celkon A9 Dual

  • Dual SIM support for convenience and flexibility.
  • Compact and lightweight design with 116 g weight.
  • 3.5-inch TFT display providing basic visual experience.
  • Powered by Android 4.2.2 (Jelly Bean) operating system.
  • Dual-core 1.0 GHz processor enabling basic multitasking capabilities.
  • Expandable storage with microSDHC card slot for additional memory.
  • Basic 2 MP main camera for capturing photos.
  • VGA front camera for video calls.
  • Wi-Fi connectivity with hotspot capability.
  • GPS for location services.
  • FM radio for entertainment and news.
  • MicroUSB 2.0 port for charging and data transfer.
  • Accelerometer sensor for motion-based controls.

Disadvantages of Celkon A9 Dual

  • Limited network technology support (only GSM 2G).
  • Discontinued model, making support and updates unlikely.
  • Low screen resolution and poor screen-to-body ratio (~47.4%).
  • Outdated Android 4.2.2 (Jelly Bean) operating system.
  • Low internal memory (512MB with 256MB RAM).
  • Poor camera quality with only 2 MP main camera and VGA selfie camera.
  • No NFC support, limiting mobile payment and quick data transfer options.
  • Bluetooth version 2.0 is outdated and lacks modern features.
  • Very limited battery life with only 1350 mAh capacity and short talk time.
Network
Technology GSM
2G bands GSM 900 / 1800 - SIM 1 & SIM 2
GPRS Yes
EDGE Yes
Launch
Announced 2014
Status Discontinued
Body
Dimensions 120.5 x 63.9 x 10.6 mm (4.74 x 2.52 x 0.42 in)
Weight 116 g (4.09 oz)
SIM Dual SIM
Display
Type TFT
Size 3.5 inches, 36.5 cm2 (~47.4% screen-to-body ratio)
Resolution 320 x 480 pixels, 3:2 ratio (~165 ppi density)
Platform
OS Android 4.2.2 (Jelly Bean)
CPU Dual-core 1.0 GHz
Memory
Card slot microSDHC
Internal 512MB 256MB RAM
Main Camera
Single 2 MP
Video Yes
Selfie camera
Single VGA
Video
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, hotspot
Bluetooth 2.0
Positioning GPS
NFC No
Radio FM radio
USB microUSB 2.0
Features
Sensors Accelerometer
Battery
Type Li-Ion 1350 mAh battery
Stand-by Up to 240 h
Talk time Up to 3 h 20 min
Misc
Colors White, Black
SAR EU 0.61 W/kg (head)     0.69 W/kg (body)

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