1. Introduction
The AGM M8 Security+ 4G Rugged Flip Phone is designed for durability, ease of use, and secure communication. This device is ideal for individuals seeking a reliable phone with essential features, robust construction, and enhanced privacy. It features large buttons, a clear display, and specialized functions for user convenience and safety.
2. Setup
2.1. Battery and SIM Card Installation
To install the battery and SIM card(s), you must first remove the back cover of the phone. The AGM M8 supports dual SIM cards and an expandable microSD card for storage.

Image: Rear view of the AGM M8 flip phone with the back cover removed, revealing the battery compartment and slots for two SIM cards and one microSD card.
Follow these steps to install the battery and SIM cards:
- Locate the small notch or opening on the bottom edge of the phone's back cover.
- Use a small tool, such as a screwdriver or a fingernail, to carefully pry open the back cover.
- Insert your SIM card(s) into the designated slots. Ensure the gold contacts face downwards and the card is correctly oriented as indicated by the diagram on the phone.
- If using a microSD card for expanded storage, insert it into its dedicated slot.
- Place the battery into the battery compartment, ensuring the contacts align correctly.
- Align the back cover with the phone's body and press firmly until it clicks securely into place.
2.2. Video Guide: Removing the Back Cover
Video: This video demonstrates the process of removing the back cover of the AGM M8 flip phone to access the battery and SIM card slots.
2.3. Charging the Device
Connect the provided USB-C cable to the charging port at the bottom of the phone and plug the other end into the power adapter. Plug the power adapter into a wall outlet. The phone will indicate when it is charging. For convenient charging, an optional charging dock is available for separate purchase.
3. Key Features
3.1. Rugged and Durable Design
The AGM M8 Security+ is built to withstand harsh environments. It is certified with IP68 and IP69K ratings for water and dust resistance, and MIL-STD-810G for shock resistance, ensuring it can handle drops and extreme temperatures.

Image: The AGM M8 flip phone is shown being rinsed under running water, highlighting its waterproof design.

Image: The AGM M8 flip phone is depicted covered in sand, showcasing its dustproof capabilities.

Image: The AGM M8 flip phone is captured in mid-air, falling towards a hard surface, emphasizing its drop-proof construction.
3.2. SOS Side Key
For emergencies, the AGM M8 includes a dedicated SOS side key. Pressing and holding this button for 5 seconds will automatically dial a pre-programmed emergency contact or service, providing a critical safety feature.

Image: A hand is shown pressing the yellow SOS button located on the side of the AGM M8 flip phone.
3.3. Large Screen and Keypad
The phone features a 2.8-inch display with large fonts and a big, easy-to-press keypad, making it user-friendly for individuals who may have difficulty with smaller screens or buttons.

Image: The open AGM M8 flip phone showcases its large, clear 2.8-inch screen, designed for easy readability.

Image: A close-up view of the AGM M8 flip phone's large, well-spaced keypad, designed for comfortable dialing and texting.
3.4. 104dB Powerful Speaker
Equipped with a powerful speaker that produces up to 104dB of sound, the AGM M8 ensures that calls and messages are heard clearly, even in noisy environments.

Image: An illustration depicting sound waves originating from the AGM M8's rear speaker, emphasizing its 104dB powerful audio output.
3.5. Hearing Aid Compatible (HAC)
The AGM M8 is Hearing Aid Compatible (HAC) with a T3/M3 rating, reducing background noise and interference for clear sound quality when used with hearing aids.

Image: A visual representation illustrating the AGM M8's compatibility with hearing aid devices, indicating T3/M3 ratings.
3.6. Dual SIM Cards Support
The device supports two SIM cards, allowing users to manage two different phone numbers on a single device. Note that only one SIM card can utilize 4G connectivity at a time.

Image: A detailed view of the AGM M8's internal compartment, showing the dual SIM card slots and the microSD card slot.
3.7. Secure Data (Security+ Version)
The Security+ version of the AGM M8 is designed for environments requiring strict data privacy. Features such as Bluetooth, cellular data, MMS, camera, USB data transfer, microSD expansion, file management, and multimedia capabilities are disabled to prevent data leaks and ensure secure usage.
4. Operating Instructions
4.1. Power On/Off
- To Power On: Press and hold the Power/End Call button 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'.
4.2. Making and Receiving Calls
- Making a Call: Dial the number using the large keypad and press the Green Call button.
- Receiving a Call: Flip open the phone to answer an incoming call, or press the Green Call button.
- Ending a Call: Press the Red End Call button or close the phone.
4.3. Speed Dial (One-Click Call)
The M1, M2, and M3 keys can be programmed for one-click calls to frequently dialed numbers. This feature is particularly useful for quick access to important contacts.

Image: A close-up of the AGM M8 keypad, emphasizing the M1, M2, and M3 keys designated for speed dialing.
To set up speed dial:
- Go to 'Settings' from the main menu.
- Navigate to 'Speed Dial' or 'One-Click Call' settings.
- Assign a contact number to each of the M1, M2, and M3 keys.
4.4. Text Messaging
To send a text message, navigate to the 'Messages' menu, select 'Write Message', and use the keypad to type your message. Select a recipient from your contacts or enter a new number, then send.
5. Maintenance
5.1. Cleaning Your Phone
Due to its rugged design, the AGM M8 can be cleaned with water. Ensure all port covers are securely closed before rinsing. For general cleaning, use a soft, damp cloth. Avoid harsh chemicals or abrasive materials.
5.2. Battery Care
The 1500mAh removable battery provides over 7 hours of talk time and more than 2 weeks of standby time. To maximize battery life, avoid extreme temperatures and fully charge the phone before its first use. If the battery needs replacement, a new one can be easily installed.

Image: An illustration highlighting the 1500mAh battery of the AGM M8, indicating 7 hours of talk time and 2 weeks of standby time.
6. Troubleshooting
6.1. Issue 1: Phone Won't Charge
Solution:
- Check the Charger: Use the original charger and charging cable that came with the M8 FLIP packaging to ensure compatibility.
- Perform a Factory Reset:
- Reset the M8 FLIP to factory settings.
- The default password for resetting is 1234.
- After the reset is complete, restart the phone.

Image: AGM M8 flip phone with troubleshooting steps for charging problems.
6.2. Issue 2: Accidental Activation of the SOS Side Key
Solution:
- After accidentally pressing the SOS side key, stop the alarm by pressing the red hang-up button.
- Press the 'Main' button, then select 'Settings'. Scroll down to find 'SOS Settings', tap on 'SOS Status', and select 'Off'.
This will prevent the alarm from sounding if the SOS side key is accidentally pressed again.

Image: AGM M8 flip phone with troubleshooting steps for accidental SOS key activation.
6.3. Issue 3: Don't Like the Sound When Pressing Phone Buttons?
Solution:
- Select a Profile Mode: Press the 'Main' button, select 'Profiles', and choose 'Silent' from the options. This will stop the button sounds.
- Customize Your Profile: In the 'Profiles' menu, press 'Options' to further customize a profile according to your preferences.

Image: AGM M8 flip phone with troubleshooting steps for adjusting button sound preferences.
6.4. Issue 4: Can't Read Your SIM Card?
Solution:
- Activate the SIM Card: Ensure that your SIM card is activated by testing it in another phone first.
- Insert the SIM Card Correctly: When inserting the SIM card into the M8 FLIP, carefully open the SIM card slot and gently place the SIM card inside. Be cautious not to apply excessive force to avoid damaging the slot, which may prevent the SIM card from being read.
- Check Compatibility: Please reach out to us to verify whether your SIM card's carrier is compatible with the M8 FLIP.

Image: AGM M8 flip phone with troubleshooting steps for SIM card recognition problems.
7. Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 4.54 x 2.45 x 0.9 inches |
| Item Weight | 10.6 ounces |
| Item Model Number | AGM-M8 |
| Batteries | 1 Lithium Ion batteries required (included) |
| OS | Mocor(RTOS) |
| RAM | 0.12 GB (48 MB installed) |
| Wireless Communication Technologies | Cellular |
| Connectivity Technologies | Bluetooth, USB |
| GPS | False |
| Special Features | Basic Phone, Dual SIM, Expandable Memory, Rugged Body, Water Resistant |
| Human Interface Input | Keyboard, Keypad |
| Scanner Resolution | 240 x 320 |
| Other Camera Features | NO |
| Audio Jack | 3.5 mm |
| Form Factor | Foldable Case |
| Color | Black |
| Battery Power Rating | 1500 Milliamp Hours |
| Phone Talk Time | 7 Hours |
| Phone Standby Time (with data) | 2 weeks |
| Manufacturer | AGM |
| Standing Screen Display Size | 2.8 Inches |
| Wireless Carrier | T-Mobile (Compatible only with GSM T-Mobile carrier) |
| Cellular Technology | 4G |
8. What's in the Box
- AGM M8 Security+ 4G Rugged Flip Phone
- Power Adapter
- USB Cable
- Battery (pre-installed or separate)
- Quick Start Guide
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included in your product packaging or visit the official AGM Mobile website. Ensure you retain your proof of purchase for any warranty claims.