USHINING F280
USHINING 3G Unlocked Flip Phone User Manual
Model: F280 | Brand: USHINING
Introduction
This user manual provides comprehensive instructions for the USHINING 3G Unlocked Flip Phone (Model F280). Please read this manual carefully before using your new phone to ensure proper operation and to maximize its features. This phone is designed for ease of use, featuring a dual screen, dual SIM capability, and a convenient charging dock.

Image: The USHINING 3G Unlocked Flip Phone in red, shown both closed and open, alongside its charging dock.
What's in the Box
Upon opening the package, please verify that all the following items are included:
- USHINING 3G Unlocked Flip Phone (Model F280)
- Charging Dock
- Power Adapter
- Earphone
- Rechargeable Battery
- User Manual
- SIM Card Adapters (for different SIM card sizes)

Image: All items included in the product packaging, laid out on a surface.
Product Overview
The USHINING F280 flip phone features a compact design with essential functionalities. It includes a 1.77-inch external color display and a 2.8-inch internal color display. Key physical features include a camera, volume controls, a dedicated light button, a Micro USB charging port, and a 3.5mm audio jack.

Image: A diagram highlighting the camera, volume buttons, light button, LCD display, Micro USB charging port, audio jack, and charger base contact points on the phone.

Image: Icons illustrating key features such as Calendar, SOS Button, Alarm Clock, Speed Dial, Camera, Torch, and FM Radio.
Setup
1. Battery and SIM Card Installation
To install the battery and SIM cards, first remove the back cover of the phone. Insert the battery into its compartment. This phone supports dual SIM cards (Normal SIM and Micro SIM) and a Micro SD card up to 16GB for expanded storage. Carefully insert your SIM cards and Micro SD card into their respective slots as shown in the diagram. Ensure they are correctly oriented.

Image: An exploded view of the phone's back, showing the slots for two SIM cards (SIM 1 and SIM 2) and a Micro SD card, along with their respective types.
Video: A demonstration of how to install the battery, SIM cards, and Micro SD card into the USHINING flip phone.
2. Charging the Phone
To charge the phone, place it into the provided charging dock. Ensure the phone is properly seated in the dock. The external screen will indicate charging status. Alternatively, you can connect the Micro USB cable directly to the phone's charging port.

Image: The USHINING flip phone resting in its charging dock, highlighting its 1200mAh battery and long standby time.
Operating Instructions
Making Calls and Speed Dial
To make a call, open the flip phone and use the keypad to dial the number. Press the green call button to initiate the call. The phone supports speed dial functions (M1 and M2) for quickly contacting important numbers. To use speed dial, press and hold the assigned M1 or M2 button.

Image: Two elderly women interacting with the USHINING flip phone, demonstrating its user-friendly design.
SOS Emergency Button
The phone is equipped with an SOS emergency button for immediate assistance. In an emergency, press and hold the SOS button. The phone will automatically dial pre-set emergency contacts and send an emergency message. You can configure up to 5 family numbers for this feature.

Image: A visual representation of the SOS emergency call feature, showing the SOS button and its connection to five family numbers.
Adjusting Font Size and Language
For enhanced readability, you can adjust the font size of the display. Navigate to the 'Settings' menu, then 'Phone settings', and select 'Font size' to choose between Large, Medium, or Small. The phone also supports multiple languages including English, Deutsch (German), Italiano (Italian), Français (French), and Español (Spanish). You can change the language in the 'Phone settings' menu under 'Language'.
Flashlight Operation
The phone includes a built-in LED flashlight. To quickly turn the flashlight on or off, locate the dedicated flashlight button on the side of the phone and press it. This feature is useful in low-light conditions.

Image: The USHINING flip phone with its LED torch activated, illuminating an area up to 30 meters.
Speaker Volume
The phone is equipped with a Φ20 Box Speaker for high volume output, ensuring clear audio during calls and for alerts. Adjust the volume using the dedicated volume buttons on the side of the phone.
Maintenance
- Keep the phone dry. Moisture can damage electronic circuits.
- Avoid extreme temperatures. High temperatures can shorten the life of electronic devices and warp or melt certain plastics.
- Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the phone. Wipe it with a soft, damp cloth.
- Handle with care. Do not drop, knock, or shake the phone. Rough handling can break internal circuit boards and fine mechanics.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Phone does not power on. | Ensure the battery is correctly installed and charged. Connect the phone to the charger and try again. |
| Cannot make or receive calls. | Check if the SIM card is properly inserted and activated. Verify network signal strength. Contact your service provider if issues persist. Note: Some 3G devices may require SIM activation on a 4G or later phone before being inserted into this device. |
| Keypad locks constantly. | Refer to the phone's settings for keypad lock options. Some models allow disabling automatic keypad lock or adjusting the lock delay. |
| Poor audio quality. | Ensure the speaker is not obstructed. Adjust the volume. Move to an area with better network coverage. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | F280 |
| Product Dimensions | 3.7 x 0.8 x 1.7 inches |
| Item Weight | 9.9 ounces |
| Operating System | Proprietary OS |
| Screen Size | 2.8 Inches (main), 1.77 Inches (external) |
| Resolution | 240 x 320 |
| Battery Capacity | 1200 Milliamp Hours |
| Memory Storage Capacity | Up to 16 GB (Micro SD, not included) |
| Cellular Technology | 2G, 3G |
| Connectivity Technology | Bluetooth |
| Audio Jack | 3.5 mm |
| Color | Red |
Warranty & Support
For warranty information and customer support, please refer to the warranty card included in your product packaging or visit the official USHINING website. If you encounter any issues not covered in this manual, please contact USHINING customer service for assistance.
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