Introduction
This manual provides detailed instructions for the safe and efficient use of your Poco C75 4G LTE GSM smartphone. Please read this manual thoroughly before using your device to ensure proper operation and to prevent damage. The Poco C75 is designed for use with T-Mobile, Mint, Tello, and other T-Mobile network carriers within the USA. Outside the USA, it is compatible with any GSM carrier SIM.
What's in the Box
Upon opening the product packaging, verify that all items listed below are present and in good condition:
- Poco C75 Smartphone (Green)
- Fast 33W Car Charger
- Phone Case
- SIM Tray Ejector
- USB Cable

Image: The Poco C75 smartphone, showcasing its front display and the distinctive green back panel with the camera module.
Setup
1. Inserting the SIM Card and Micro SD Card
- Locate the SIM tray on the side of your Poco C75.
- Insert the provided SIM tray ejector tool into the small hole next to the SIM tray. Press firmly until the tray pops out.
- Carefully pull out the SIM tray.
- Place your Nano-SIM card(s) and/or Micro SD card into the designated slots on the tray. Ensure the gold contacts are facing down and the notched corner aligns correctly. The device supports Dual SIM + Micro SD Slot configuration.
- Gently push the SIM tray back into the phone until it clicks into place.

Image: A close-up of the bottom edge of the Poco C75, displaying the USB-C charging port, speaker grille, and microphone opening.
2. Initial Power On and Setup Wizard
- Press and hold the Power button (located on the right side of the device) until the Xiaomi logo appears.
- Follow the on-screen instructions to complete the initial setup wizard. This includes selecting your language, connecting to a Wi-Fi network, setting up your Google account, and configuring security features.
Operating Your Device
Display and Navigation
The Poco C75 features a 6.88-inch Dot Drop display with a resolution of 1600x720 pixels. It supports a refresh rate of up to 90Hz for smoother visuals in supported applications. The display also includes Reading mode and DC dimming for eye comfort, and is protected by Corning Gorilla Glass.
- Touch Gestures: Navigate the interface using standard touch gestures such as tap, swipe, pinch-to-zoom, and long press.
- Refresh Rate: The refresh rate can be adjusted in display settings, with a maximum of 90Hz for compatible apps.
Camera Features
The device is equipped with a 50MP main camera (5P lens, f/1.8) and a 2MP macro camera (f/2.4), along with an auxiliary lens. The rear camera supports various modes and video recording capabilities.
- Camera Modes: Access Film Camera, HDR mode, Night mode, Portrait mode, 50MP mode, and Time-lapse directly from the camera application.
- Video Recording: Record videos at 1080P (1920x1080) at 30fps or 720P (1280x720) at 30fps.

Image: The rear of the Poco C75, highlighting the prominent circular camera module containing the triple camera setup and "50MP" inscription.
Connectivity
- Wi-Fi: Supports 2.4GHz and 5GHz Wi-Fi bands. Connect to available networks via Settings > Wi-Fi.
- Bluetooth: Features Bluetooth 5.3 for connecting to wireless accessories. Supports AAC / SBC audio codecs. Enable via Settings > Bluetooth.
- Mobile Data: Compatible with 4G LTE FDD (Bands 1/2/3/4/5/7/8/20/28/66) and TDD (Bands 38/40/41), 3G (Bands 2/4/5/8), and 2G Quad Band networks. Ensure your SIM card is active and configured correctly for mobile data access.
- GPS: Integrated GPS, Glonass, Galileo, and Beidou for accurate location services.
Security Features
- Side Fingerprint Sensor: Unlock your device quickly and securely using the fingerprint sensor integrated into the power button. Register your fingerprints in Settings > Password & Security.
- AI Face Unlock: Use your face to unlock the device. Set up face data in Settings > Password & Security.

Image: A side profile of the Poco C75, illustrating the placement of the power button, which doubles as a fingerprint sensor, and the volume control buttons.
Maintenance
General Care
- Keep the device dry. Moisture can damage electronic circuits.
- Avoid extreme temperatures. High temperatures can shorten the life of electronic devices and warp certain plastics.
- Do not drop, knock, or shake the device. Rough handling can break internal circuit boards and fine mechanics.
- Clean the screen and body with a soft, lint-free cloth. Avoid using harsh chemicals or abrasive cleaners.
Battery Information
The Poco C75 is powered by a 5160 Watt Hours Lithium Polymer battery. For optimal battery life:
- Use only the provided Fast 33W Car Charger and USB cable for charging.
- Avoid fully discharging the battery frequently.
- Do not expose the device to temperatures above 45°C (113°F) or below 0°C (32°F).
Troubleshooting
If you encounter issues with your Poco C75, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Device does not power on. | Ensure the battery is charged. Connect the device to the charger and wait a few minutes before attempting to power on again. If unresponsive, try a forced restart by holding the Power button for 10-15 seconds. |
| Cannot connect to Wi-Fi. | Check if Wi-Fi is enabled in Settings. Restart your Wi-Fi router. Forget the network and reconnect, entering the password again. |
| Poor mobile network signal. | Ensure your SIM card is properly inserted. Move to an area with better network coverage. Check with your carrier for network outages in your area. Verify that mobile data is enabled in settings. |
| Apps are crashing or freezing. | Close and reopen the app. Clear the app's cache and data (Settings > Apps > [App Name] > Storage). Update the app to the latest version. If the issue persists, consider uninstalling and reinstalling the app. |
| Fingerprint sensor not working. | Ensure your finger is clean and dry. Re-register your fingerprints in Settings > Password & Security. Ensure the sensor area is clean. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | Poco C75 (Test001) |
| Operating System | MIUI 14 for POCO, based on Android 12 |
| Processor | MediaTek Helio G81 (12nm process, Octa-core: Arm Cortex-A75 @ 2.0GHz, Arm Cortex-A55 @ 1.8GHz) |
| GPU | Arm Mali-G52 MC2 |
| RAM | 6 GB |
| Internal Storage | 128 GB |
| Display | 6.88 inches Dot Drop display, 1600x720 resolution, 260 ppi, up to 90Hz refresh rate, Corning Gorilla Glass |
| Main Camera | 50MP (5P lens, f/1.8) |
| Macro Camera | 2MP (f/2.4) |
| Front Camera | 8MP |
| Battery | 5160 Watt Hours Lithium Polymer (included) |
| Charging | Supports Fast 33W charging |
| Connectivity | 4G LTE FDD/TDD, 3G, 2G Quad Band, Wi-Fi (2.4GHz/5GHz), Bluetooth 5.3 |
| Navigation | GPS, Glonass, Galileo, Beidou |
| Sensors | Side fingerprint sensor, AI face unlock, Virtual proximity sensor, Ambient light sensor, Accelerometer, Electronic compass |
| Audio Jack | 3.5 mm headphone jack, supports FM radio |
| Dimensions | 7.28 x 3.58 x 2.24 inches (Package) |
| Item Weight | 15.5 ounces |
| Color | Green |
Warranty and Support
For warranty information and customer support, please refer to the warranty card included in your product packaging or visit the official XIAOMI support website. Keep your proof of purchase for warranty claims.
XIAOMI Official Store: Visit the XIAOMI Store on Amazon
For technical assistance or service inquiries, please contact XIAOMI customer service through their official channels.





