Qubo X_28BKC
Qubo X-28BKC Mobile Phone User Manual
Model: X-28BKC
Introduction
This manual provides essential information for the safe and efficient use of your Qubo X-28BKC mobile phone. Please read this manual thoroughly before operating the device to ensure proper functionality and to prevent damage. Keep this manual for future reference.
Product Overview

The image displays the Qubo X-28BKC mobile phone. On the left, the phone is shown folded and placed in its charging base, featuring an external display that shows a digital clock. On the right, the phone is shown unfolded, revealing its main screen with the 'Qubo' logo and a colorful abstract background, and a physical keypad below. The keypad includes navigation buttons, call and end call buttons, two memory keys (M1, M2), a camera button, and standard numeric and function keys.
Setup
1. Unboxing
Carefully unpack all items from the box. The package should contain the Qubo X-28BKC mobile phone, a user manual, and a charging cable or plug.
2. Charging the Battery
- Connect the charging cable to the phone or the charging base.
- Plug the other end of the cable into a compatible power adapter and then into a wall outlet.
- Allow the phone to charge fully before first use. The battery indicator on the screen will show the charging status.
3. SIM Card and Battery Installation
Refer to the specific instructions within the included user manual for detailed steps on how to open the battery compartment, insert the SIM card(s), and install the battery. Ensure the phone is powered off before performing this step.
4. Initial Power On
Press and hold the Power/End Call button until the screen lights up. Follow the on-screen prompts to complete the initial setup, such as language selection and time zone settings.
Operating Instructions
1. Making and Receiving Calls
- Making a Call: Dial the number using the keypad and press the Call button (green receiver icon).
- Receiving a Call: When the phone rings, press the Call button to answer.
- Ending a Call: Press the End Call button (red receiver icon).
2. Messaging
Navigate to the 'Messages' menu from the main screen. Select 'New Message' to compose an SMS. Use the keypad to type your message and send it to the desired recipient.
3. Camera Function
To access the camera, press the dedicated camera button on the keypad or navigate to the 'Camera' application from the menu. Use the navigation keys to frame your shot and the center button to capture the image.
4. Keypad Functions
- Navigation Keys: Use the directional pad to navigate through menus and options.
- M1/M2 Keys: These are speed dial keys. Refer to your phone's settings to assign contacts to these keys.
- Asterisk (*) Key: Often used for special characters or activating specific functions.
- Hash (#) Key: Often used for special characters or activating specific functions.
Maintenance
1. Cleaning
Use a soft, dry, lint-free cloth to clean the phone's screen and body. Avoid using harsh chemicals or abrasive materials, which can damage the surface.
2. Battery Care
- Avoid exposing the battery to extreme temperatures.
- Do not leave the phone charging for excessively long periods after it is fully charged.
- If the phone will not be used for an extended period, charge it to about 50% before storing.
3. Storage
Store the phone in a cool, dry place away from direct sunlight and moisture. Keep it away from strong magnetic fields.
Troubleshooting
If you encounter issues with your Qubo X-28BKC, try the following basic troubleshooting steps:
- Phone not turning on: Ensure the battery is charged. Connect the charger and wait a few minutes before attempting to power on again.
- No network signal: Check if the SIM card is correctly inserted. Move to an area with better network coverage. Restart the phone.
- Cannot make/receive calls: Verify that your SIM card is active and has sufficient credit/plan. Check network signal strength.
- Charging issues: Ensure the charging cable and adapter are not damaged and are properly connected. Try a different power outlet.
- Phone frozen/unresponsive: Remove and reinsert the battery (if removable), then power on the phone. If the battery is not removable, press and hold the power button for about 10-15 seconds to force a restart.
If problems persist, please contact Qubo customer support for further assistance.
Specifications
| Feature | Specification |
|---|---|
| Brand | Qubo |
| Model Number | X_28BKC |
| Model Name | X-28BKC |
| Product Dimensions | 50 x 50 x 28 cm; 272 grams |
| Operating System | Android |
| Installed RAM Size | 256 GB |
| CPU Model | Intel Core Solo |
| Resolution | UHD |
| Refresh Rate | 120 Hz |
| Mobile Carrier | BASE |
| Mobile Technology | 4G 5G |
| Connectivity Technology | USB |
Warranty and Support
For warranty information and customer support, please refer to the specific warranty card included with your product or visit the official Qubo website. Keep your purchase receipt as proof of purchase for warranty claims.
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