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Unveiling Samsung Metro 312 Specs Prices Pros & Cons

Release Date
2014, June
Camera
0.3MP
Battery
1000mAh
Screen
2.0"
Storage
microSDHC slot
Operating System
Feature phone

Overview of Samsung Metro 312

The Samsung Metro 312, released in June 2014, embodied Samsung's commitment to providing functional yet affordable mobile phones amidst the rise of smartphones. Despite being discontinued, the Metro 312 holds a special place for those who value simplicity and practicality in classic phone designs. This device caters primarily to individuals seeking basic communication functions without the complexities of modern smartphones.

Design and Build

Boasting dimensions of 112.7 x 46.4 x 13.1 mm and a weight of just 74 g, the Samsung Metro 312 is compact and lightweight, making it easy to carry and handle. The device features a straightforward design with a well-spaced keypad, ensuring ease of use. It supports dual SIM functionality, allowing users to switch between two different numbers, adding convenience for those who manage personal and professional contacts simultaneously.

Display Characteristics

The Metro 312 is equipped with a 2.0-inch TFT display, capable of showing 65K colors. The screen has a resolution of 128 x 160 pixels, resulting in a density of approximately 102 ppi. Although modest by today's standards, this display offers clear enough visuals for basic tasks such as messaging and menu navigation.

Network and Connectivity

This phone comes with GSM technology, supporting 2G bands GSM 900 and 1800 for both SIM cards. It includes GPRS Class 12 for basic internet connectivity but does not support EDGE technology. Connectivity features also include Bluetooth 3.0 with A2DP, which facilitates the wireless exchange of data, and a microUSB 2.0 port for charging and media transfer. Unfortunately, it lacks WLAN, GPS, and NFC capabilities, reflecting its focus on fundamental functionalities rather than advanced features.

Camera Specifications

On the rear, the Metro 312 sports a basic 0.3 MP camera, sufficient for capturing simple photos. It also supports video recording at QCIF@15fps. While it lacks the sophistication and quality of modern smartphone cameras, this is consistent with the phone's objective of serving essential communication needs.

Sound Options

For audio, the device provides a loudspeaker and a classic 3.5mm headphone jack, allowing users to connect widely compatible headphones or earphones. This feature is a significant advantage for users who prefer conventional audio solutions without needing adapters.

Memory and Storage Capabilities

The Metro 312 includes a dedicated microSDHC slot for expanding storage, a crucial feature given the limited internal storage common in feature phones. It supports basic phonebook features and maintains call records, characteristic of its focus on essential functionalities.

Platform and Performance

Powered by a 208 MHz processor, the device performs adequately for its intended tasks, such as making calls, sending texts, and using basic applications. It operates on a feature phone platform, providing an intuitive and efficient user interface without the complexity of modern mobile operating systems.

Battery Life

The Metro 312 is equipped with a removable Li-Ion 1000 mAh battery, offering talk time of up to 12 hours on 3G. This provides users with the peace of mind of reliable power throughout the day—a feature that is particularly appealing in areas with limited access to charging facilities.

Additional Features

Additional features include support for various messaging formats such as SMS, MMS, Email, Push Email, and Instant Messaging. The phone supports Java MIDP 2.0, enabling users to enjoy basic Java games, aligning with its goal of providing utility and some recreation. Moreover, it includes a Stereo FM radio feature, expanding its entertainment options without accessing additional services or data.

User Demographics

This device primarily targets individuals looking for a no-nonsense mobile experience, including those wanting a secondary phone for emergencies or travel due to its dual SIM capabilities. It particularly appeals to senior users or those unfamiliar with complex smartphones, offering an accessible and straightforward interface and functionality.

Conclusion

While it lacks modern flashy features, the Samsung Metro 312 remains a testament to the enduring demand for basic mobile phones catering to essential communication needs. For users prioritizing practicality and ease of use over the latest technology, the Metro 312 continues to be a noteworthy choice.

Key Features of Samsung Metro 312

  • Dual SIM support (Mini-SIM, dual stand-by)
  • Compact and lightweight design (74 g)
  • TFT display with 65K colors
  • Expandable storage with microSDHC card support
  • Basic 0.3 MP camera with video recording capabilities
  • Bluetooth 3.0 with A2DP
  • Stereo FM radio for entertainment
  • Removable Li-Ion 1000 mAh battery with up to 12 hours of talk time
  • Support for messaging features like SMS, MMS, Email, Push Email, and IM
  • 3.5mm audio jack for headphones
  • microUSB 2.0 for charging and connectivity

Drawbacks of Samsung Metro 312

  • Discontinued model, no new support or updates available.
  • Lacks 3G or 4G connectivity, limited to 2G networks only.
  • No EDGE support for faster data connectivity.
  • Very low-resolution display with 128 x 160 pixels.
  • Limited display size of just 2.0 inches.
  • Very low pixel density (~102 ppi) resulting in less clear visuals.
  • Weak processing power with only 208 MHz CPU.
  • Basic camera features with only 0.3 MP resolution.
  • No front-facing (selfie) camera.
  • Lack of Wi-Fi connectivity.
  • No GPS or positioning services.
  • No NFC support for contactless transactions.
  • Very limited internal storage and reliance on microSDHC for expansion.
  • Limited to basic sensor features.
  • Only available in a single color (White).
  • Small battery capacity of 1000 mAh.
Network
Technology GSM
2G bands GSM 900 / 1800 - SIM 1 & SIM 2
GPRS Class 12
EDGE No
Launch
Announced 2014, May. Released 2014, June
Status Discontinued
Body
Dimensions 112.7 x 46.4 x 13.1 mm (4.44 x 1.83 x 0.52 in)
Weight 74 g (2.61 oz)
SIM Dual SIM, (Mini-SIM, dual stand-by)
Display
Type TFT, 65K colors
Size 2.0 inches, 12.6 cm2 (~24.1% screen-to-body ratio)
Resolution 128 x 160 pixels (~102 ppi density)
Platform
CPU 208 MHz
Memory
Card slot microSDHC (dedicated slot)
Phonebook Yes
Call records Yes
Main Camera
Single 0.3 MP
Video QCIF@15ps
Selfie camera
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN No
Bluetooth 3.0, A2DP
Positioning No
NFC No
Radio Stereo FM radio
USB microUSB 2.0
Features
Sensors
Messaging SMS, MMS, Email, Push Email, IM
Games Yes
Java Yes, MIDP 2.0
Battery
Type Li-Ion 1000 mAh, removable
Talk time Up to 12 h (3G)
Misc
Colors White
Models SM-B312E
SAR EU 1.06 W/kg (head)

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