The QMobile Noir X400 offers a sleek and slim design, measuring 131 x 65 x 7.8 mm. The lightweight nature of the phone makes it easy to handle and carry around. It possesses a dual SIM capability, which is particularly advantageous for users who need to manage multiple phone numbers for work and personal use. While the phone's body is predominantly plastic, it offers a classic black finish that contributes to a modern look.
The device features a 4.5-inch TFT display with a resolution of 480 x 854 pixels. Though not high definition, the display provides decent clarity and brightness levels, sufficient for everyday activities like browsing, texting, and watching videos. The size is compact, making it suitable for users who prefer one-handed operation and portability.
Under the hood, the QMobile Noir X400 is equipped with a Mediatek MT6582 chipset paired with a quad-core 1.3 GHz Cortex-A7 processor. The Mali-400MP2 GPU handles graphics processing. With 1GB of RAM, the device can manage basic multitasking and standard applications without significant lag. However, with heavier apps or games, users may experience some slowdown.
It comes with 8GB of internal storage, which might be limited for users with significant app data or media storage needs. However, the inclusion of a microSDHC card slot allows users to expand the storage, catering to additional needs for photos, music, and documents.
Photography enthusiasts will appreciate the 8 MP rear camera that includes autofocus and an LED flash. This camera is capable of capturing 720p video at 30fps, making it suitable for basic video recording. The phone also offers a 2 MP front-facing camera for selfies and video calls, though its performance is modest compared to modern standards.
The QMobile Noir X400 runs on Android 4.4.2 KitKat. While this version of Android is outdated, it still supports many essential apps and features, providing a satisfactory user experience for basic tasks and communication.
Powered by a Li-Ion 1800 mAh battery, the QMobile Noir X400 offers average battery performance. Users can expect up to 230 hours of standby time and up to 16 hours of talk time on 2G networks. On 3G networks, standby and talk times decrease to up to 230 hours and 10 hours, respectively. This battery life is suitable for a day's use under moderate activity.
The device supports GSM and HSPA networks and offers decent internet speeds with HSPA 21.1/5.76 Mbps. Connectivity options include Wi-Fi 802.11 b/g/n, Bluetooth 4.0, A-GPS for positioning, FM radio, and microUSB 2.0 port for data transfer and charging. Notably, the phone lacks NFC support but includes basic sensors like accelerometer, proximity, and compass.
For audio, the phone features a loudspeaker and a 3.5mm jack, providing standard sound quality. Users can enjoy music and calls with wired headphones and make use of the available FM radio for a variety of broadcasts.
The QMobile Noir X400 delivers a balanced set of features for its price range, appealing to budget-conscious users or those new to smartphones. Its dual-SIM capability, expandable storage, basic camera quality, and the familiar Android interface make it a practical choice for everyday usage. However, techno-savvy users might find it lacking in terms of software updates, advanced performance, and camera sophistication as compared to newer models.
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