1. Introduction
This manual provides essential instructions for setting up, operating, maintaining, and troubleshooting your myPhone Halo 4 Plus LTE senior mobile phone. Please read this manual carefully to ensure proper use and to maximize the device's functionality.
The myPhone Halo 4 Plus LTE is designed for ease of use, featuring a large display, intuitive menus, and dedicated function keys, making it suitable for users who prioritize simplicity and reliability.
2. Package Contents
Before you begin, please verify that all items are present in your product package:
- myPhone Halo 4 Plus LTE Mobile Phone
- Rechargeable Battery (2500 mAh)
- Charging Station
- USB-C Cable
- User Manual (this document)
Note: A power adapter for the USB-C cable is not included and must be supplied separately.
3. Setup
3.1. Battery Installation
- Carefully remove the back cover of the phone.
- Insert the battery into its compartment, ensuring the gold contacts align with the phone's terminals.
- Replace the back cover, pressing firmly until it clicks into place.
3.2. SIM Card Installation
The myPhone Halo 4 Plus LTE supports Dual Nano-SIM cards.
- With the back cover removed, locate the SIM card slots.
- Gently slide your Nano-SIM card(s) into the designated slot(s) with the gold contacts facing down. Exercise caution as the SIM card holders can be delicate.
- Ensure the SIM card(s) are securely seated.
3.3. Initial Charging
Before first use, fully charge the phone's battery.
- Connect the USB-C cable to the charging station.
- Plug the other end of the USB-C cable into a compatible USB power adapter (not included) and then into a wall outlet.
- Place the phone into the charging station. The charging indicator light on the station will illuminate, confirming proper connection.
- Alternatively, you can connect the USB-C cable directly to the phone's USB-C port for charging.
A full charge typically takes several hours. The phone is ready for use once the battery indicator shows full.

Figure 1: myPhone Halo 4 Plus LTE in its charging station.

Figure 2: Top view of the phone with USB-C port and charging contacts.
4. Operating Instructions
4.1. Power On/Off
- To Power On: Press and hold the red 'End Call' button (usually marked with a power symbol) until the screen lights up.
- To Power Off: Press and hold the red 'End Call' button until a power-off option appears on the screen. Select 'Power Off' using the navigation keys and confirm.
4.2. Making and Receiving Calls
- Making a Call: Enter the phone number using the large keypad. Press the green 'Call' button to initiate the call.
- Answering a Call: When the phone rings, press the green 'Call' button to answer.
- Ending a Call: Press the red 'End Call' button to terminate an active call.
4.3. Sending SMS Messages
- Navigate to the 'Messages' menu using the navigation keys.
- Select 'New Message' or 'Create SMS'.
- Enter the recipient's number or select from contacts.
- Type your message using the keypad.
- Press 'Send'.
4.4. SOS Emergency Button
The phone features a dedicated SOS button on the back for emergencies.
- Setup: In the phone settings, you can configure up to 5 emergency contacts.
- Activation: Press and hold the SOS button for a few seconds. The phone will automatically call the pre-set emergency contacts in sequence until one answers. It may also send an emergency SMS.

Figure 3: Rear view showing the camera and SOS button.
4.5. Other Features
- FM Radio: Access the FM Radio application from the main menu to listen to your favorite stations without an internet connection.
- Camera: The 2 MP camera allows for quick photos. Access it via the menu.
- Enlargable Font: Adjust the text size in the display settings for improved readability, especially beneficial for users with visual impairments.
- Flashlight: A dedicated button or menu option activates the built-in flashlight.

Figure 4: The phone in use for a call.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your myPhone Halo 4 Plus LTE.
- Cleaning: Use a soft, dry cloth to clean the phone's screen and body. Avoid using harsh chemicals or abrasive materials.
- Battery Care: To prolong battery life, avoid extreme temperatures. Do not leave the phone fully discharged for extended periods.
- Storage: Store the phone in a cool, dry place away from direct sunlight and moisture when not in use.
- Water Resistance: This device is not water-resistant. Avoid exposure to liquids.
6. Troubleshooting
If you encounter issues with your phone, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone does not turn on | Low or depleted battery | Charge the phone for at least 30 minutes. |
| No network signal | SIM card not inserted correctly; out of network coverage | Reinsert SIM card; move to an area with better coverage. |
| Cannot make/receive calls | No network signal; SIM card issues; call barring activated | Check network signal; verify SIM card; check call settings. |
| Charging issues | Cable or adapter fault; dirty charging port | Try a different USB-C cable/adapter; clean charging port gently. Ensure phone is correctly seated in the charging station. |
| MMS messages not working | Incorrect APN settings for MMS | Contact your network provider for correct MMS APN settings and manually configure them in the phone's network settings. |
| Incorrect day/date display (e.g., "Sonnig" instead of "Sunday") | Software localization error | This is a known software issue in some language versions. Check for available software updates from MP myPhone. |
If the problem persists, please contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Model Name | Halo 4 Plus LTE |
| Display Size | 3.5 inches |
| Display Resolution | 240 x 320 pixels |
| Cellular Technology | 4G (LTE) |
| Connectivity | Bluetooth |
| SIM Type | Dual Nano-SIM |
| Battery Capacity | 2500 mAh |
| Camera Resolution | 2 MP |
| RAM | 48 MB |
| Storage Capacity | 64 GB (likely internal storage for contacts/SMS, not expandable) |
| Audio Jack | 3.5 mm |
| Charging Port | USB-C |
| Dimensions (Package) | 22 x 20.1 x 7.7 cm |
| Item Weight | 754 g |
| Operating System | Other (Proprietary OS) |
8. Warranty Information
Your myPhone Halo 4 Plus LTE is covered by a standard manufacturer's warranty against defects in materials and workmanship. The specific terms and duration of the warranty may vary by region and retailer. Please retain your proof of purchase for warranty claims.
For detailed warranty information, refer to the warranty card included in your product packaging or visit the official MP myPhone website.
9. Support
For further assistance, technical support, or service inquiries, please contact MP myPhone customer service through their official channels. You may find contact details on the manufacturer's website or in the documentation provided with your phone.
Online resources and FAQs may also be available on the MP myPhone brand store: MP myPhone Store





