Available Variants
Full Specifications
Network
| Technology | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 |
| Speed | HSPA, LTE |
| 4G bands | 1, 3, 5, 8, 40, 41 |
Launch
| Announced | 2021, September 30 |
| Status | Available. Released 2021, October 02 |
Body
| SIM | Nano-SIM + Nano-SIM |
| Weight | 194 g (6.84 oz) |
| Dimensions | 164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in) |
Display
| Size | 6.53 inches, 102.9 cm2 (~81.0% screen-to-body ratio) |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~269 ppi density) |
| Type | IPS LCD |
Hardware & Software
| OS | Android 10, MIUI 12 |
| Chipset | Mediatek MT6765G Helio G35 (12 nm) |
| CPU | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| GPU | PowerVR GE8320 |
Memory & Storage
| Card slot | microSDXC (dedicated slot) |
| Storage Type | eMMC 5.1 |
| Internal | 32GB 3GB RAM, 64GB 4GB RAM |
Main Camera
| Triple | 13 MP, f/2.2, (wide), 1.0µm, PDAF 2 MP (macro) Auxiliary lens |
| Video | 1080p@30fps |
| Features | LED flash, HDR |
Selfie Camera
| Single | 5 MP, f/2.2, (wide), 1.12µm |
| Video | 1080p@30fps |
| Features | HDR |
Sound
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
Connectivity
| WLAN | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct |
| USB | microUSB 2.0, OTG |
| Radio | FM radio |
| NFC | No |
| Positioning | GPS, GLONASS, BDS |
| Bluetooth | 5.0, A2DP, LE |
Features
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity |
Battery
| Charging | 10W wired |
| Type | Li-Po 5000 mAh |
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Description
The Xiaomi Poco C31, launched in 2021, is designed to handle your everyday tasks with a straightforward, reliable approach. It features a spacious 6.53-inch IPS LCD screen that offers plenty of room for scrolling through social media, reading articles, or watching videos. The display comes with a resolution of 720 x 1600 pixels, which keeps text readable and images clear enough for casual browsing. While it relies on standard display technology without advanced high-brightness modes or fast refresh rates, it provides a dependable canvas for daily communication. The body is built to be sturdy and comfortable to hold, measuring 9 mm in thickness and weighing 194 grams, giving it a solid feel in the hand. Under the hood, it runs on a Mediatek Helio G35 octa-core processor paired with PowerVR GE8320 graphics. This setup handles standard operations like messaging, browsing the web, and running light apps smoothly, making it a practical companion for day-to-day connectivity.
For capturing moments, the rear camera system features a triple setup led by a 13 MP main camera. This primary lens utilizes phase detection autofocus, which helps you quickly lock focus on your subject to snap clear photos in decent lighting. Accompanying the main sensor is a 2 MP macro lens for close-up shots, alongside an auxiliary lens that assists the system. When it comes to moving pictures, the rear camera can record video at 1080p resolution at 30 frames per second, allowing you to capture basic video clips. On the front, a 5 MP selfie camera sits ready for video calls and casual self-portraits, also supporting 1080p video recording at 30 frames per second. Keeping the device running is a massive 5000 mAh battery. This large capacity ensures that you can easily get through a full day of mixed usage without worrying about finding an outlet. When it is time to power up, it supports 10W wired charging via a microUSB port.
This smartphone is well-suited for users who need a dependable secondary device or a straightforward phone for essential communication, such as casual web browsing, staying in touch with family, and checking emails. It works beautifully for those who prioritize long battery life over intensive processing power, making it a great option for people who just want a phone that stays powered on all day. However, users should be aware of a few trade-offs. The device runs on Android 10 with MIUI 12, which is an older software generation, and it lacks modern features like 5G connectivity or NFC for contactless interactions. Heavy mobile gamers or power users who constantly multitask between demanding applications will notice slower loading times due to the everyday nature of the processor.
Pros:
Large 6.53-inch screen provides ample space for reading and viewing content.
Generous 5000 mAh battery easily lasts through a full day of regular use.
Includes a dedicated microSDXC card slot for simple storage expansion.
Features a convenient rear-mounted fingerprint sensor for biometric security.
Retains a 3.5mm headphone jack for connecting traditional wired audio gear.
Cons:
Utilizes an older microUSB 2.0 port rather than a modern Type-C connection.
Limited to 4G LTE network speeds without support for newer 5G connectivity.
Runs on older software with Android 10 and MIUI 12 out of the box.
Camera system delivers average low-light performance and lacks an ultrawide lens.
The Xiaomi Poco C31 is a practical, no-nonsense smartphone that prioritizes exceptional battery life and a large, readable screen for everyday essential tasks. It serves as a reliable option for individuals who need a straightforward communication tool for calling, messaging, and light browsing. It is best recommended for users who value simplicity and all-day endurance over high-end performance or cutting-edge features.
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