The NIU Niutek 3.5D2 offers basic network capabilities ideal for entry-level users. It supports GSM and HSPA technologies, providing fundamental connectivity options. Users can take advantage of 2G and 3G bands, specifically GSM 850/900/1800/1900 and HSDPA 850/1900, respectively. Though the device has been discontinued, it originally offered a modest HSPA speed of 21.1/5.76 Mbps, which was sufficient for standard web browsing and social media access.
The phone is compact and lightweight, with dimensions of 116 x 61 x 11.5 mm and a weight of just 98 g. This makes it easy to carry and use with one hand. The device supports dual SIM cards, allowing users to manage personal and work contacts simultaneously. Its body showcases practical aesthetics with color options in Black, White, Blue, Green, and Red, catering to diverse consumer preferences.
The NIU Niutek 3.5D2 is equipped with a 3.5-inch TFT display, capable of showing 256K colors. With a resolution of 320 x 480 pixels and a 3:2 aspect ratio, the screen provides basic visual clarity. Although it doesn't offer the high definition seen in modern smartphones, it's adequate for daily tasks like texting and running simple apps.
This device runs on Android 4.2 Jelly Bean, which offers essential performance capabilities. Powered by a Mediatek MT6572M chipset and a dual-core 1.0 GHz Cortex-A7 CPU, it’s designed for basic functionality rather than intensive multitasking. The GPU is a Mali-400, supporting basic graphic requirements. Overall, this setup is suitable for users who need straightforward mobile computing.
The phone comes with 2GB of internal storage and 256MB of RAM, which is quite limited by today's standards. However, for tasks such as calling, texting, and using lightweight apps, this configuration might suffice. Additionally, the device includes a microSDXC slot, offering users the option to expand storage for photos, videos, and other files.
The NIU Niutek 3.5D2 is equipped with a 2 MP main camera, featuring LED flash and a panorama mode. It can also record video at 480p at 30fps. While these specs are minimal, they provide users with basic photography and video capabilities. The front-facing camera is VGA, suitable for video calls and basic selfies.
For audio, the device includes a loudspeaker and a 3.5mm headphone jack, adhering to traditional user preferences. This makes it easy to connect headphones for private listening, or enjoy music through its speaker system. Stereo FM radio capability is also included, providing access to local broadcast stations.
Connectivity is mainly provided through Wi-Fi 802.11 a/b/g/n, with support for dual-band and hotspot functionalities. Bluetooth 3.0 with A2DP allows for wireless connections to accessories, although features like NFC are not supported. GPS is included for basic navigation, and a microUSB 2.0 port is available for charging and data transfer.
The phone is powered by a removable Li-Ion 1200 mAh battery. It offers up to 400 hours of standby time on 2G networks and up to 320 hours on 3G. Talk time is approximated at up to 8 hours on 2G and 6 hours on 3G. This battery capacity corresponds with its position as an entry-level device and supports its basic usage model.
An accelerometer is included among the phone's sensors, allowing for the detection of motion and orientation, which can enhance the use of various applications and games that rely on this capability. The phone's simplicity in features aligns with the needs of users looking for a straightforward mobile experience without complex functionality.
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