Blu C9

The Blu C9 has a conventional candybar form factor, standing 164.7 mm tall, 75.6 mm wide, and 9.67 mm thick, with a total volume of roughly 120.4 cm³ and a weight of 189 g. It neither folds nor features a rugged build, and it carries no water resistance rating, making it a standard everyday handset without any specialized durability provisions.

The Blu C9 features a 6.6-inch IPS LCD touchscreen with a resolution of 720 x 1612 pixels and a pixel density of 267 ppi. The panel does not include branded damage-resistant glass, and it lacks support for HDR10, HDR10+, Dolby Vision, and always-on display functionality. There is no secondary screen present on the device.

The Blu C9 is powered by the Unisoc SC9863A system-on-chip, built on a 28 nm process with an octa-core CPU arranged in a big.LITTLE configuration running four cores at 1.6 GHz and four at 1.2 GHz across 8 threads, with a thermal design power of 3W. The SoC includes integrated LTE and pairs with 2 GB of DDR4 RAM at 933 MHz, a maximum supported memory ceiling of 6 GB, dual memory channels, and a maximum bandwidth of 7.464 GB/s. Storage comes in at 64 GB via eMMC 5.1. Graphics are handled by the integrated PowerVR GE8322 GPU, which carries 4 execution units and 128 shading units, clocked at 550 MHz with a turbo frequency of 800 MHz, supporting DirectX 11, OpenGL ES 3.2, and OpenCL 2. The chip is 64-bit capable and posts Geekbench 6 scores of 164 single-core and 725 multi-core, Geekbench 5 scores of 901 single-core and 2956 multi-core, and a PassMark result of 1327 overall and 478 single-threaded. The L3 cache sits at 0.512 MB.

The Blu C9 has a single-lens 8 MP rear camera using a CMOS sensor, without a back-illuminated sensor or optical image stabilization. It supports phase-detection autofocus for stills as well as touch autofocus, continuous autofocus during video, and manual focus, though laser autofocus is absent. Manual controls extend to exposure and ISO, while manual shutter speed is not available; white balance can also be set manually. The rear camera records video at 1080p and 30 fps with slow-motion capability, but does not support HDR10 or Dolby Vision recording, and there is no 3D capture. A single LED flash is present, with no dual-tone or RGB flash option. Burst mode and in-camera panoramas are supported, though 360-degree panorama shooting is not. On the front, a 5 MP camera is fitted in a standard position — not under the display — and uses a single lens with no dedicated flash.

The Blu C9 runs Android 12, an open-source platform that supports multi-user operation, split-screen multitasking, picture-in-picture, widgets, sharing intents, and a child lock. On the privacy side, it provides clipboard warnings, location privacy controls, and camera and microphone access management, though Mail Privacy Protection and cross-site tracking blocking are absent. Personalization options include theme customization, dynamic theming, dark mode, and an extra dim mode, while focus modes and app offloading are not available. The OS includes on-device machine learning, offline voice recognition, voice commands, and device position tracking. Notification handling is well-covered with permission controls and customizable notifications, and the media picker, full-page screenshots, and Live Text are all supported. Games can be played while downloading, and Wi-Fi password sharing, battery health checks, Quick Start, and PC desktop mode are not included. Direct OS updates from the vendor are not provided.

The Blu C9 is equipped with a 4000 mAh rechargeable battery that is non-removable and comes with a charger included in the box. It features a battery level indicator but does not support fast charging or wireless charging, keeping the charging experience straightforward and cable-dependent.

The Blu C9 includes a 3.5 mm headphone jack and a built-in radio, covering the basics for wired listening and broadcast audio. The device has a single speaker rather than a stereo setup, and none of the advanced Bluetooth audio codecs — aptX, aptX HD, aptX Adaptive, aptX Lossless, or LDAC — are supported.

The Blu C9 connects to cellular networks via a single SIM slot with download speeds of up to 300 MBits/s and upload speeds of up to 150 MBits/s, though 5G is not supported. Wireless connectivity is handled by Wi-Fi 4 (802.11n) and Bluetooth 4.2, while NFC, DLNA certification, and HDMI output are absent. The device uses a USB Type-C port running at USB 2.0 speeds and includes an external memory card slot for expandable storage. Location is covered by GPS with Galileo support, and an accelerometer is present, but there is no gyroscope, compass, barometer, or any motion or optical tracking. Biometric security is provided by a fingerprint scanner, while 3D facial recognition and an iris scanner are not included. Health and safety features such as a heart rate monitor, crash detection, and emergency SOS via satellite are all absent, and no stylus, infrared sensor, ANT+ support, or built-in projector is included.

The Blu C9 includes a video light for illumination during video recording. The display is flat rather than curved and uses neither sapphire glass nor an e-paper panel.