The Celkon 2GB Xpress operates on GSM and HSPA network technologies. It supports 2G bands of GSM 900/1800 for both SIM 1 and SIM 2, and for 3G, it supports HSDPA 2100. This combination provides a moderate internet browsing experience with speeds up to HSPA 21.1/5.76 Mbps, which was quite adequate for most tasks at the time of the device's release.
The smartphone was announced and released in July 2015. However, it is currently discontinued as the market has shifted towards more modern devices with updated capabilities and features.
In terms of dimensions, the Celkon 2GB Xpress measures 133.5 x 66.5 x 10.1 mm, and weighs 134 grams, making it a compact and lightweight device. This dual-SIM phone was designed to cater to users seeking affordable and practical mobile solutions.
The phone features a 4.5-inch IPS LCD screen, providing a screen-to-body ratio of approximately 64.9%. With a resolution of 480 x 800 pixels and a pixel density of about 207 ppi, the display delivers decent image quality for regular usage, including reading texts and viewing media.
Powered by the Spreadtrum 7731 chipset, the device includes a quad-core 1.2 GHz processor and a Mali-400 GPU. While this setup is not meant for heavy gaming or resource-intensive applications, it is efficient for day-to-day tasks such as browsing the web, using social media, and streaming videos. The internal memory tally stands at 16GB, expandable via microSDHC, and coupled with 2GB RAM, which was sufficient for moderate multitasking when the device was launched.
Originally shipping with Android 4.4.2 KitKat, the operating system is upgradable to Android 5.0 Lollipop. This provided users access to a range of apps and features prevalent at the time, although support for subsequent updates is not available due to hardware limitations.
The primary camera of the Celkon 2GB Xpress is a 5 MP shooter with autofocus and is paired with an LED flash, enabling users to capture images in various lighting conditions. Video recording capabilities are also present, suitable for capturing basic video content.
The front-facing camera is equipped with a 1.3 MP sensor, which caters to basic selfie and video calling needs, though image quality may not be up to par with more recent models.
Designed with a focus on daily usability, the Celkon 2GB Xpress hosts a loudspeaker and a 3.5mm headphone jack for audio output. Connectivity options include Wi-Fi 802.11 b/g/n and a hotspot feature, Bluetooth 2.1 with EDR, and GPS for location tracking. An FM radio is also available for entertainment. However, it does not support NFC. Charging and data transfer occur through a microUSB 2.0 port.
The device is equipped with an accelerometer sensor, which supports basic motion-based functionality. This feature list is indicative of entry-level smartphones at the time, focusing on essential user needs rather than advanced features.
The Celkon 2GB Xpress is powered by a removable Li-Ion 1500 mAh battery. Given its hardware configuration and screen size, the battery capacity supports a fair amount of standby and talk time, aligning with the user's expectations for single-day usage without a recharge.
The phone is available in a black color variant, providing a classic and professional appearance. The design choices reflect the typical aesthetic preferences for budget smartphones during its era.
Overall, the Celkon 2GB Xpress was an appealing choice for users at its release, providing a balance of essential features at a budget-friendly price. While it lacks the high-end performance and modern innovations seen in today's smartphones, for its time, it offered satisfactory functionality and performance for basic smartphone tasks and usage.
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