1. Introduction
This manual provides detailed instructions for the Tangxi 2G GSM Unlocked Flip Phone, model Tangxiwmogtgfxhp-13. It covers essential information regarding the phone's setup, operation, features, and troubleshooting to ensure a smooth user experience. This device is designed for ease of use, featuring large buttons, a clear display, and an SOS function, making it suitable for seniors and children.

Image: The Tangxi flip phone in an open position, displaying its screen and large, easy-to-read keypad, with a person in the background.
2. What's in the Box
Please verify that all items are present in the package:
- Tangxi 2G GSM Unlocked Flip Phone
- Battery
- Power Adapter (US Plug)
- User Manual (this document)
3. Setup Guide
3.1 Battery, SIM Card, and Memory Card Installation
Before using the phone, install the battery, SIM card(s), and an optional memory card.
- Remove the Back Cover: Gently pry open the back cover of the phone.
- Insert SIM Card(s): Locate the SIM card slots. This phone supports dual SIM cards. Carefully slide your 2G GSM SIM card(s) into the designated slots with the gold contacts facing down. Ensure they are securely seated.
- Insert Memory Card (Optional): If you wish to expand storage, insert a microSD card (up to 16GB, not included) into the memory card slot.
- Insert Battery: Align the battery contacts with the phone's terminals and gently press the battery into place.
- Replace Back Cover: Snap the back cover firmly onto the phone until it clicks into place.

Image: Components of the Tangxi flip phone, including the main body with visible SIM and memory card slots, the battery, and the removable back cover.
3.2 Charging the Phone
Before first use, fully charge the phone's battery.
- Connect the small end of the charging cable to the phone's charging port.
- Plug the power adapter into a standard electrical outlet.
- The charging indicator on the phone's screen will show the charging status.
- Once fully charged, disconnect the charger.

Image: The Tangxi flip phone shown with its included power adapter, illustrating the charging setup.
3.3 Powering On/Off
- To Power On: Press and hold the Power/End Call button (usually red) until the screen lights up.
- To Power Off: Press and hold the Power/End Call button until the power-off options appear, then select 'Power off'.
3.4 Network Compatibility
This phone supports GSM 850/900/1800/1900 networks. Please confirm with your SIM card carrier that they support 2G networks in your area for optimal functionality. The phone is unlocked, but carrier network support is essential.
4. Operating Instructions
4.1 Making and Receiving Calls
- To Make a Call: Enter the phone number using the keypad and press the Call button (usually green).
- To Receive a Call: When the phone rings, press the Call button to answer.
- To End a Call: Press the End Call button (usually red).
4.2 Keypad and Display
The phone features large, backlit keys for easy dialing and navigation, especially in low-light conditions. The 1.77-inch color display provides clear visibility for numbers, text, and menu options.

Image: The Tangxi flip phone open, highlighting its large screen and the earpiece/speaker for clear audio during calls.
4.3 Flashlight Function
To activate the built-in flashlight, locate the dedicated flashlight button (refer to the phone's physical layout) and press it. Press again to turn it off. This feature is useful for navigating in dark environments.
4.4 SOS Function
The SOS function allows for immediate contact with pre-set emergency numbers during critical situations.
- Setting Up SOS Numbers: Navigate to the SOS settings in the phone's menu. You can set up to 8 family or emergency contact numbers.
- Using SOS: In an emergency, press and hold the dedicated SOS button (usually located on the back or side of the phone). The phone will automatically dial the pre-set numbers in sequence until one is answered. It may also send an emergency SMS message to these contacts.

Image: A graphic illustrating the SOS function, showing an emergency signal reaching multiple pre-programmed contacts from the flip phone.
4.5 Multimedia and Other Functions
The phone includes various additional features:
- Camera: Access the camera from the main menu to take photos.
- Music & Video Player: Play audio and video files stored on the memory card.
- Picture Viewer: Browse saved images.
- Bluetooth: Connect to compatible Bluetooth devices like headsets.
- Voice Recorder: Record audio memos.
- FM Radio: Listen to local radio stations.
- Calendar, Alarm Clock, Calculator, Games: Standard utility applications.
- Internet: Basic internet access may be available depending on carrier support.
5. Features Overview
The Tangxi 2G GSM Unlocked Flip Phone is designed with user convenience in mind, offering several key features:
- Powerful Speaker: Ensures clear and loud audio for all calls, making it easy to hear conversations.
- Large Keys and Key LED Lights: The keypad features large, well-spaced buttons with backlighting, facilitating easy dialing and navigation, especially for users with visual impairments or in dark environments.
- Dual SIM Support: Allows the use of two different SIM cards simultaneously, offering flexibility for managing personal and work contacts or different network plans.
- Expandable Storage: Supports memory cards up to 16GB for storing photos, music, and other files.
- SOS Function: A dedicated emergency button that, when pressed, automatically dials pre-set emergency contacts and can send alert messages.
- Integrated Flashlight: A convenient built-in flashlight for immediate illumination.
- Multimedia Capabilities: Includes a camera, music and video player, picture viewer, FM radio, and voice recorder.
- Bluetooth Connectivity: For wireless connection to compatible accessories.
6. Specifications
| Feature | Specification |
|---|---|
| Brand Name | Tangxi |
| Model Number | Tangxiwmogtgfxhp-13 |
| Item Weight | 1.06 ounces |
| Package Dimensions | 4.8 x 4.13 x 1.65 inches |
| Connectivity Technology | Bluetooth, USB |
| Network Support | GSM 850/900/1800/1900 |
| Display | 1.77-inch Color Display |
| SIM Card Support | Dual SIM |
| Memory Card Support | Up to 16GB (not included) |
7. Troubleshooting
If you encounter issues with your Tangxi flip phone, refer to the following common problems and solutions:
- Phone does not power on:
- Ensure the battery is correctly installed and fully charged.
- Try charging the phone for at least 30 minutes before attempting to power it on again.
- Cannot make or receive calls:
- Check if the SIM card(s) are properly inserted.
- Verify that your SIM card carrier supports 2G GSM networks in your location.
- Ensure you have sufficient credit or an active plan with your carrier.
- Check for network signal strength.
- Battery drains quickly:
- Reduce screen brightness.
- Close unused applications.
- Ensure the phone is not in an area with very poor signal, as this can increase battery consumption.
- Consider replacing the battery if it is old or damaged.
- No network signal:
- Move to an open area or near a window.
- Restart the phone.
- Confirm with your carrier about network coverage in your current location.
8. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Tangxi customer service through the retailer where the product was purchased. Keep your proof of purchase for warranty claims.





