Xiaomi Redmi 15C 4G

The Xiaomi Redmi 15C 4G has a standard candy-bar form factor — it neither folds nor carries a rugged build classification. It measures 171.6 mm tall, 79.5 mm wide, and 8 mm thick, with a total volume of 109.1376 cm³ and a weight of 205 g. On the durability side, the device holds an IP64 rating, meaning it is protected against dust ingress and resistant to water splashes from any direction, making it reasonably suited for everyday exposure to the elements.

The Xiaomi Redmi 15C 4G features a 6.9-inch IPS LCD touchscreen with a resolution of 720 x 1600 px and a pixel density of 254 ppi. It supports a 120Hz refresh rate for smoother on-screen motion, and the panel is protected by Gorilla Glass 3 to guard against everyday scratches and minor impacts. The display does not support HDR10, HDR10+, Dolby Vision, or an Always-On mode, and there is no secondary screen present.

The Xiaomi Redmi 15C 4G is driven by the MediaTek Helio G81 Ultra chipset, built on a 12 nm process with 5500 million transistors and a TDP of 5W. Its octa-core CPU uses big.LITTLE technology, combining 2 cores clocked at 2 GHz and 6 cores at 1.8 GHz, with a turbo ceiling of 2 GHz across 8 threads, and it supports 64-bit processing alongside ARM TrustZone security. Graphics are handled by the integrated Mali G52 MP2 GPU, which features 2 execution units, 32 shading units, and a turbo frequency of 950 MHz, with support for DirectX 12, OpenGL 3.2, OpenGL ES 3.2, and OpenCL 2. The device ships with 4 GB of DDR4 RAM running at 1800 MHz across 2 memory channels, delivering a maximum memory bandwidth of 13.41 GB/s, while the maximum supported memory amount is 8 GB. Storage stands at 256 GB via eMMC 5.1, and the SoC includes integrated LTE. Cache configuration consists of 0.3 MB of L2 cache and 1 MB of L3 cache. Geekbench 6 scores sit at 420 single-core and 1391 multi-core, with Geekbench 5 results of 350 single-core and 1300 multi-core.

The rear camera system on the Xiaomi Redmi 15C 4G uses a single-lens setup with a 50 MP CMOS sensor at f/1.8 aperture and a pixel size of 0.64 µm, without optical image stabilization, a BSI sensor, or laser autofocus. Focusing is handled through phase-detection autofocus for stills and continuous autofocus during video, and touch autofocus is also supported, though manual shutter speed and RAW capture are not available. Manual controls for exposure, ISO, focus, and white balance are all present, and shooting modes include HDR, burst, panorama, slow-motion video, and timelapse, while 360-degree panorama is not supported. Video recording tops out at 1080p at 30 fps, with no HDR10 or Dolby Vision recording, and there is no optical zoom. A single LED flash accompanies the rear camera, with no dual-tone or RGB flash option. On the front, an 8 MP camera sits at f/2.0 behind a standard cutout — not under the display — and comes without a flash or a secondary lens.

The Xiaomi Redmi 15C 4G runs Android 15 and brings a broad set of software features covering personalization, privacy, and everyday usability. On the customization side, it supports dark mode, dynamic theming, theme customization, home screen widgets, and customizable notifications, though focus modes and Quick Start are absent. Privacy tools include clipboard warnings, location privacy options, camera and microphone access controls, and the ability to block app tracking, while Mail Privacy Protection and cross-site tracking blocking are not available. The OS supports on-device machine learning, offline voice recognition, voice commands, and Live Text for selecting text from images, along with full-page scrolling screenshots, Picture-in-Picture, split-screen multitasking, sharing intents, a media picker, and the ability to play games while they download. Additional features include a child lock, multi-user support, app offloading, battery health checking, an extra dim display mode, and device position tracking. Direct OS updates from the vendor are not supported, Wi-Fi password sharing is unavailable, and the device cannot function as a PC.

The Xiaomi Redmi 15C 4G houses a 6000 mAh rechargeable battery that is not removable. It supports 33W wired fast charging, and a battery level indicator is present to keep tabs on remaining charge. Wireless charging and reverse wireless charging are both absent from this model.

The Xiaomi Redmi 15C 4G includes a 3.5 mm headphone jack for wired audio and a built-in radio. It does not feature stereo speakers, and none of the high-quality Bluetooth audio codecs — aptX, aptX HD, aptX Adaptive, aptX Lossless, or LDAC — are supported.

The Xiaomi Redmi 15C 4G connects to cellular networks as a dual-SIM 4G device — 5G is not supported — and handles wireless networking via Wi-Fi 4 (802.11n) and Wi-Fi 5 (802.11ac). Bluetooth 5.4 and NFC are both present, while DLNA certification and ANT+ support are absent. The USB connection uses a Type-C port running at USB 2.0 speeds, with maximum download and upload speeds of 300 Mbits/s and 100 Mbits/s respectively, and there is no HDMI output. An external memory slot is available for storage expansion. For biometric security, a fingerprint scanner is included, though 3D facial recognition and an iris scanner are not. Sensors on board cover GPS with Galileo support, a compass, and an accelerometer, while a gyroscope, barometer, infrared sensor, heart rate monitor, and motion or optical tracking are all absent. Crash detection and emergency SOS via satellite are not available, and no stylus or built-in projector is included.

The Xiaomi Redmi 15C 4G includes a video light to assist with illumination during video recording. The display is flat rather than curved, uses neither sapphire glass nor an e-paper panel.