The Microsoft Lumia 640 XL Dual SIM is a remarkable smartphone that was announced in March 2015 and released a month later, in April 2015. Despite being discontinued, this device still captures the attention of smartphone enthusiasts who appreciate the unique combination of Microsoft Windows Phone 8.1 OS and cutting-edge hardware features for its time.
The Lumia 640 XL sports dimensions of 157.9 x 81.5 x 9 mm and weighs 171 g, providing a sturdy yet manageable feel. The phone fits comfortably in hand while offering a substantial screen size, making it ideal for media consumption and productivity tasks. The dual-SIM capability offers flexibility for users who balance work and personal life on one device.
The device features a 5.7-inch IPS LCD capacitive touchscreen. With a screen-to-body ratio of approximately 69.1%, the Lumia 640 XL maximizes display area for an immersive viewing experience. The display resolution stands at 720 x 1280 pixels, with a 16:9 ratio, ensuring vibrant and clear visuals. The Corning Gorilla Glass 3 protection adds resilience to the screen against scratches and minor drops.
Under the hood, the Lumia 640 XL houses the Qualcomm MSM8226 Snapdragon 400 chipset with a quad-core 1.2 GHz Cortex-A7 CPU and Adreno 305 GPU. This combination offers smooth performance for daily tasks and basic gaming. The device originally runs on Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10, providing users with access to the latest features and security updates.
Equipped with 1GB RAM and 8GB of internal storage, the Lumia 640 XL supports multitasking and basic app usage efficiently. For users needing more storage, the device includes a dedicated microSDXC card slot, allowing expansion to accommodate apps, photos, music, and other data.
The photography capabilities of the Lumia 640 XL are noteworthy, featuring a 13 MP primary camera with an f/2.0 aperture, wide 28mm lens, and Zeiss optics. The LED flash enhances low-light photography, and the camera can record 1080p video at 30fps. The 5 MP front camera is well-suited for selfies and video calls, also supporting 1080p video recording.
The device includes a loudspeaker and a 3.5mm audio jack, offering clear audio for media playback and calls. It supports various multimedia formats and provides reliable audio quality for both music enthusiasts and casual listeners.
The Lumia 640 XL supports Wi-Fi 802.11 b/g/n, DLNA, and hotspot capabilities for versatile wireless connectivity. Bluetooth 4.0 with A2DP makes pairing with peripherals seamless. Built-in GPS, GLONASS, and BDS enhance navigation accuracy, while NFC and FM radio provide additional connectivity options. The microUSB 2.0 port enables charging and data transfer.
One of the highlights of the Lumia 640 XL is its robust battery life, powered by a removable 3000 mAh Li-Ion battery. The device can last up to 936 hours on standby (2G and 3G) and provides up to 31 hours 20 minutes of talk time on 2G, and up to 23 hours 40 minutes on 3G. This makes the phone reliable for extended use without frequent recharging.
The device includes a range of sensors such as an accelerometer, proximity sensor, compass, and sensor core, supporting various apps and enhancing user interaction. The Lumia 640 XL is available in an array of colors, including Matte Cyan, Orange, Black, Matte White, and Glossy White, allowing users to choose a style that suits their personality.
At launch, the Lumia 640 XL was priced around 170 EUR, positioning it as an affordable choice for users seeking a balance between performance and cost. Despite being discontinued, it remains a valued option in the secondhand market due to its solid build and Nokia's lens technology.
Overall, the Microsoft Lumia 640 XL Dual SIM stands as a testament to Microsoft's ability to deliver a compelling smartphone with premium features for its time. With its large display, reliable performance, and excellent camera capabilities, it remains a memorable device for enthusiasts of the Windows Phone platform.
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