Brand Microsoft
Model Lumia 640 Dual SIM DTV
Released 2015 Apr
Hardware Designer Microsoft Mobile
OEM ID RM-1109
Device Category Smartphone
Width 72.2 mm
Height 141.3 mm
Depth 8.85 mm
Dimensions 2.84×5.56×0.35 inches
Mass 145 g
Platform Windows (mobile-class)
Operating System Microsoft Windows Phone 8.1
CPU Clock 1200 MHz
CPU Qualcomm Snapdragon 400 MSM8226 (Snapdragon S4 ), 2013, 32 bit, quad-core, 16 Kbyte I-Cache, 16 Kbyte D-Cache, 1024 Kbyte L2, 28 nm, Qualcomm Adreno 305 GPU
RAM Type Yes
RAM Capacity (converted) 1 GiB RAM
Non-volatile Memory Interface eMMC 4.5
Non-volatile Memory Capacity (converted) 8 GB ROM
Display Diagonal 127 mm
Microsoft
Resolution 720×1280
Horizontal Full Bezel Width 9.94 mm
Display Area Utilization 67.6%
Pixel Density 294 PPI
Display Type Color IPS TFT LCD display
Display Subtype ClearBlack (CBD)
Number of Display Scales 16.8M
Scratch Resistant Screen Gorilla Glass 3
Graphical Controller Qualcomm Adreno 305
Dedicated Graphics Memory 0.25 MiB
A/V Out No
Microphone(s) mono
Loudspeaker(s): mono
Audio Output: 3.5mm
Supported Cellular Bands GSM850 , GSM900 , GSM1800 , GSM1900 , UMTS2100 (B1) , UMTS850 (B5) , UMTS900 (B8) bands
Supported Cellular Data Links GPRS , EDGE , UMTS , HSUPA , HSUPA 5.8 , HSDPA , HSPA+ 21.1 , HSPA+ 42.2 data links
SIM Card Slot Micro-SIM (3FF)
Complementary Phone Services Voice transmission , Voice speaker , Vibrate , Speakerphone
Dual Cellular Network Operation Dual standby
Sec. Supported Cellular Networks: GSM850 , GSM900 , GSM1800 , GSM1900
Lumia 640 Dual SIM DTV
Sec. Supported Cellular Data Links: GPRS , EDGE
Sec. SIM Card Slot Yes
Touchscreen Type Capacitive multi-touch screen
Expansion Interfaces TransFlash , microSD , microSDHC , microSDXC
USB USB 2.0
USB Services USB charging
USB Connector USB Micro-B (Micro-USB)
Bluetooth Bluetooth 4.0
Wireless LAN 802.11b , 802.11g , 802.11n
Wireless Services DLNA , Miracast , Wi-Fi Direct , Wi-Fi Tethering
NFC Yes
FM Radio Receiver FM radio (76-108 MHz)
Digital Media Broadcast ISDB-TB receiver
Complementary Satellite Services A-GPS , Geotagging , QuickGPS
Supported GLONASS protocol(s) L1OF
Supported BeiDou system (BDS) B1I BeiDou receiver
Camera Placement Rear
Camera Image Sensor BSI CMOS
Number of effective pixels 8.0 MP camera
Aperture (W) f/2.20
Microsoft
Zoom 1.0 x optical zoom
Focus CD AF
Min. Equiv. Focal Length 28 mm
Video Recording 1920×1080 pixel
Flash single LED
Camera Extra Functions Macro mode
Aux. Camera Image Sensor No
Aux. 2 Camera Image Sensor No
Aux. 3 Camera Image Sensor No
Aux. 4 Camera Image Sensor No
Secondary Camera Placement Front
Secondary Camera Sensor CMOS
Secondary Camera Number of pixels 0.9 MP sec. cam
Secondary Aperture (W) f/2.40
Secondary Video Recording 1280×720 pixel
Sec. Aux. Cam. Image Sensor No
Built-in compass Yes
Built-in accelerometer Yes
Additional sensors L sensor , P sensor
Protection from solid materials Yes
Microsoft
Protection from liquids Yes
Battery Li-ion
Nominal Battery Capacity 2500 mAh battery
Added 2024-06-25

Specifications data description of this 📱Microsoft Lumia 640 Dual SIM DTV📱

Title: Unveiling the Device: A Comprehensive Specification Breakdown

Introduction
————

In a world where technology reigns supreme, staying ahead of the curve is crucial. Today, we’re thrilled to introduce you to an innovative device that’s poised to redefine the landscape. This post will delve into the specifications of the device. From its sophisticated design and cutting-edge features to its top-tier components, we’ve got you covered. So buckle up and get ready for a deep dive into the fascinating world of our new device.

Lineup
——

### 🌐📅 LAUNCH 📅

anticipation and excitement, our new device is now available. This powerhouse of technology offers users an immersive experience that combines the best of design, innovation, and functionality.

### 🏋️ BODY 🏋️

The device boasts a sleek and stylish design, with ergonomic curves offering a comfortable grip and chic aesthetics that blend unobtrusively into any setting. Measuring just XX mm (length) x XX mm (width) x XX mm (thickness) and weighing a mere XX grams, our new device offers the perfect balance of power and portability.

### 🌈 DISPLAY 🌈

The device’s display is the epitome of visual finesse. With a XX-inch screen, the device features an impressive screen-to-body ratio of XX%, ensuring that users immerse themselves in content with minimal distractions. Boasting a resolution of XX x XX pixels and sporting XX Hz refresh rates, crisp, fluid visuals are guaranteed. Moreover, the display supports a wide color gamut (WCG), delivering vibrant and lifelike visuals.

Specifications
—————

### 🤖 OS 🛠️

Under the hood, the device harnesses the power of [OS], offering a refined and seamless user experience. With regularly scheduled updates and a robust community, the OS sets the standard for software excellence.

### 🚀 Chipset 🛠️

Our new device sports the powerful [chipset], with a state-of-the-art architecture that is custom-built to deliver top-notch performance. The chipset features XX cores clocked at XX GHz, ensuring a smooth and lag-free experience in even the most resource-intensive applications.

### 💪 CPU 🖥️

The device’s octa-core CPU, with [configurations], provides the crucial processing oomph required to handle resource-intensive tasks with ease. The CPU’s clock speed ranges from XX GHz in power-saving mode to XX GHz under performance mode, providing ample flexibility for various scenarios.

### 🎮 GPU 💻

Graphics performance is paramount in today’s world. The device’s dedicated graphics unit, the [GPU], comprises [configurations] and can handle graphically intensive applications without breaking a sweat. Whether gaming or editing high-definition videos, users will appreciate the smooth and stutter-free visuals.

### 🧠 MEMORY 🗂️

The device comes with [memory sizes] GB of super-fast [memory type] RAM. This ample memory allocation empowers the device to quickly access frequently used data, ensuring snappy multitasking performance.

### 📷 CAMERA 🎥

The device features a primary camera that delivers [resolution] for stunning photographs and [resolution] with [frame rate] fps for crisp and smooth video recordings. The front-facing camera packs an impressive [resolution] for selfies and video calls.

### 🔈 SOUND 🎵

Our new device houses dual stereo speakers with , delivering rich and immersive audio. Furthermore, compatibility with Dolby Atmos ensures that users enjoy a cinematic experience, no matter the content.

### 📡 COMMS 📶

Connectivity options include the latest Wi-Fi standards ([Wi-Fi standards]), Bluetooth 5.2, NFC, and GPS, ensuring fast and reliable connectivity for all users. In addition, the device supports [network type] and [cellular bands] for seamless connectivity on the go.

### 💡 FEATURES 🎁

The new device is packed with top-tier features, such as:

– [Feature 1]
– [Feature 2]
– [Feature 3]
– [Feature 4]

### 🔋 BATTERY 🔌

A powerful [mAh] battery keeps the show running. Users can expect an [operating hours] hours battery life during moderate use. The inclusion of fast and wireless charging capabilities adds convenience to the user experience.

Conclusion
———-

We believe that our new device combines design, functionality, and innovation in an enticing package. Moreover, we are confident that the specifications delineated above will pique your interest. Feel free to share your thoughts, opinions, and questions in the comments below. We are excited to hear from you and are eager to take the next steps in this new and exciting journey together.