AGM Legion Pro User Manual

Part 1: App Download and Device Pairing

1.1 App Download and Installation

To download and install the "AGM Nexus" app on your smartphone:

Via App Store: Search for "AGM Nexus" on Google Play Store (Android) or App Store (iOS). Log in with your respective account (Apple ID for iOS, Google Account for Android).
Via QR Code: Scan the QR code provided on the product package or in this manual. This will lead you to a download page. Follow the instructions to install. For Android users, you may need to enable installation from "unknown sources" in your browser settings. It is recommended to disable this setting after installation for security.

Note: "Device" in this manual refers to the AGM Legion Pro smartwatch.

1.2 Device Pairing

1.2.1 Initial Pairing Procedure

Device Startup: Press and hold the side button on the right for 3 seconds to turn on the power. If the screen does not light up, the battery may be low. Connect using the included charging cable to a PC USB port or a 5V/1A charger adapter and charge for at least 10 minutes. Once the charging icon appears on the screen, try starting it again.
Pairing Method:
- QR Code Scan: Open the "AGM Nexus" app, tap the "Device" tab at the bottom, then tap "Add Device" → "Scan". Read the QR code displayed on the device screen. Be careful of dirt or reflections on the lens. Keep the device and smartphone within 1 meter during pairing. Avoid metal objects that might obstruct the QR code.
- Search Pairing: After turning on the device, navigate to "Settings" > "Device Information" to confirm the Bluetooth name (format: AGMWatchLegionPro_XXX, where XXX is the MAC address). In the app, tap the "Device" tab → "+ Add" → Turn on your smartphone's Bluetooth (Android: Settings > Bluetooth, iOS: Settings > Bluetooth) → The app will search for nearby devices → Select the corresponding Bluetooth name → Confirm "Pairing request?" on the device screen by tapping "Confirm".

1.3 Pairing Precautions

Before pairing, turn on your smartphone's Bluetooth and ensure it is not connected to other AGM devices.
During pairing, ensure a stable smartphone network (Wi-Fi/4G/5G) and Bluetooth connection, and keep the device within 1 meter.
If pairing fails: Turn your smartphone's Bluetooth OFF/ON for 10 seconds, or restart the device (long press side button → select "Restart") and try again.

1.4 Re-pairing with the Same iPhone

Cause 1: Existing Bluetooth pairing information.
- Solution: Go to Smartphone Settings > Bluetooth > [Watch Name] > "Unregister this device" → Re-pair.
Cause 2: Already bound to another account.
- Solution: If the QR code is not displayed on the device, it is linked to another account. Follow these steps: [Original Smartphone] App "Device" tab > Target Device > Top-right settings icon > "Unpair" → [Watch] Long press side button > Execute "Factory Reset" (※All data will be erased) → [iOS] Settings > Bluetooth > "Unregister" this device → Perform initial pairing procedure with a new smartphone.

1.5 Connecting an Already Paired Device to a Different Smartphone

Unpair from the original smartphone's app: "Device" > Target Device > Settings icon > "Unpair" (Device data will be retained).
Reset the device to factory settings: Long press side button > Select "Factory Reset" (※All data like exercise records and contacts will be erased).
If the original smartphone is iOS: Additionally, go to Settings > Bluetooth > "Unregister" this device.
After completing the above, perform the initial pairing procedure with the new smartphone.

Part 2: Feature Description

2.1 Basic Functions

2.1.1 Notification Function

In the app, go to "Device" > "Notification Settings" and turn "Notifications" ON. Select the types of notifications you wish to receive (e.g., incoming calls, SMS). Also, check:

Android: Smartphone Settings > Notifications > Ensure notifications for the "AGM Nexus" app are allowed.
Third-Party App Notifications (e.g., WhatsApp): Enable the relevant switch within the app + Smartphone Settings > App Management > Target App > Notifications > "Allow".

Note: Notification content is displayed only on the watch. Call history, SMS content, and contacts are not collected or stored in the cloud. SMS messages are displayed up to 150 characters; longer messages will be truncated with "...".

Android Notification Stabilization: In the app, go to "Device" > "Enable Background Operation Permission" > Turn ON "Strengthen App Operation".

If notifications are not received: Check if "Power Saving Mode" or "Do Not Disturb Mode" is ON in the watch's "Settings" → Turn them OFF.

2.1.2 Frequently Used Contacts

In the app, go to "Device" > "Frequently Used Contacts" > "+ Add". Select up to 10 contacts from your smartphone. When calls are received from registered contacts, the watch will display their name (unregistered contacts will show only the number).

Note: Contact information is used only for incoming call identification. It is not stored in the cloud and is automatically deleted from the device upon unpairing.

2.1.3 Button Operation Logic

Power Button (Top Right): Short press = Turn screen ON/OFF. 3-second long press = "Power OFF/Restart" menu. 10-second long press = Force restart (if frozen).
Menu Button (Bottom Right): Short press = Display exercise mode list.
Touch Operation: Swipe up/down = Switch menus. Swipe left/right = Switch screens. Long press watch face (2 seconds) = Change watch face screen. Tap icons lightly to prevent accidental presses.

2.1.4 Calling Function

When your smartphone receives a call, the watch will vibrate and display the incoming call information. On your smartphone, select:

"Answer on Watch": Make calls using the watch's built-in microphone/speaker.
"Answer on Smartphone": Switch the call to your smartphone; the watch vibration will stop.

Speaker Specification: The AGM Legion Pro's built-in speaker has a maximum volume of 87dB, ensuring call quality comparable to typical smartphones.

2.1.5 Volume Adjustment

Go to Device "Settings" > "Sound & Vibration" > "Volume Adjustment". Use the slider to adjust the volume for ringtones, alarms, etc. (max 87dB). It is recommended to adjust settings according to your environment.

2.2 Exercise Functions

2.2.1 Exercise Modes and Goal Setting

Supports over 100 exercise modes (up to 10 displayed on the watch screen). You can add/remove modes in the app under "Device" > "Device Settings" > "Select Exercise Mode".

Modes with Time/Calorie/Distance Goals: Running (Outdoor), Hiking, Cycling (Outdoor), Walking, Trekking, Treadmill, Open Water Swimming.
- Example (Running): Select "30 min", "500 kcal", or "5 km" as a goal. The watch will display remaining time/distance/calories in real-time during exercise. It will vibrate and show "Goal Achieved" upon completion.
Modes with Time/Calorie Goals: Yoga, Golf.
- Example (Yoga): Set a goal of "45 min" or "200 kcal". Exercise time/calories burned will be recorded and synced to the app after completion, generating a report (including heart rate curve).
Modes with Pool Length/Time/Calorie Goals: Specifically for pool swimming. Before starting, set the pool length in "Settings" > "Pool Length" (e.g., 25m/50m). The watch will automatically calculate distance based on stroke movements. Example goals: "10 laps (25m pool = 250m)", "20 minutes", "300 kcal".

2.2.2 GPS Related

Auto-Start: GPS automatically activates when starting outdoor modes like Running (Outdoor). The "GNSS" icon at the top of the screen indicates successful location acquisition (solid green light).
AGPS Role and Update: AGPS (Assisted GPS) reduces GPS search time from 3-5 minutes to within 30 seconds. It syncs daily via Bluetooth connection with your smartphone (requires smartphone network). If not synced for over 5 days, AGPS data may expire, delaying location acquisition.
Manual Update: While connected to your smartphone, go to the app "Device" > "AGPS Management". If "Update Required" (red indicator) is shown, tap "Update Now". Wait for the progress bar to complete and show "Update Successful" (takes 1-2 minutes, requires a stable network).

2.3 Health Management Functions

2.3.1 Steps/Distance/Calories

Automatically records daily steps, distance traveled (estimated from stride length, which can be manually set in the app under "My Page" > "Personal Information"), and calories burned (calculated from weight and exercise intensity). View data in the app under "Health" > "Exercise Data" (entering height/weight during initial use improves accuracy).

2.3.2 Sleep Monitoring

Wear the device correctly during sleep (belt snug against the skin, about one finger's width of tightness). The watch automatically detects sleep start/end, deep sleep, and light sleep. Check detailed records in the app.

2.3.3 Heart Rate Monitoring

Daily Wear: Position the belt one to two finger-widths above the wrist bone, with tightness allowing about one finger to fit underneath (too loose may lead to poor detection; too tight may restrict blood flow).
Continuous Measurement (Increased Battery Consumption): With your arm resting naturally and still, turn your palm upwards. In the app, go to "Device" > "Health Monitoring" > "Continuous Heart Rate Measurement" and turn it ON (measures every 5 minutes).
Precautions:
- Correct Wear: Keep your arm level, ensure the sensor is in contact with the inner wrist (avoiding the wrist bone). Do not cover with clothing or accessories.
- Environmental Factors: Sweat, thick body hair, or dark tattoos can cause measurement errors. Wipe the sensor or adjust position and re-measure.
- Low Temperature Environment (Below 10°C): Warm your wrist by rubbing it for 30 seconds before measuring.
Heart Rate Alert Setting: In the app, go to "Device" > "Health Monitoring" > "Continuous Heart Rate Settings" and turn "Heart Rate Alert" ON. Set an upper limit (e.g., 150 bpm). Alerts will be indicated by vibration and a warning display.

2.3.4 Stress Monitoring

Analyzes stress levels based on subtle variations in heart rate intervals (heart rate variability).

Single Measurement: Keep your arm still, palm facing up. Navigate to "Function List" > "Stress" > "Start Measurement". After 1 minute, the stress level (0-100, lower indicates more relaxation) and status ("Relaxed", "Normal", "Mild Stress", "Moderate Stress", "Severe Stress") will be displayed.
All-Day Measurement (Increased Battery Consumption): Only possible when stationary for extended periods. Not available during movement or exercise. Battery life will decrease.
Relaxation Reminder: If stress levels remain above 80 for a certain period while at rest (excluding sleep), a notification will be sent.
Precautions:
- Avoid intense exercise, excitement, or caffeine intake before measurement. 2 minutes of quiet sitting is recommended (affects heart rate variability).
- Wearing requirements are the same as for heart rate measurement (clean sensor, snug fit).
- This is reference data. If "Severe Stress" (>80) persists, adjust by resting, exercising, or meditating, and consult a professional if necessary.

2.3.5 Blood Oxygen Saturation (SpO2) Measurement

Measures the percentage of hemoglobin in the blood that is saturated with oxygen (Normal range: 95%-100%).

Single Measurement: Keep your arm still, palm facing up. Navigate to "Function List" > "SpO2" > "Start Measurement". The value (%) will be displayed after 1 minute.
Precautions:
- Keep breathing stable during measurement and avoid talking or moving your arm.
- Cold fingers or dark nail polish can cause measurement failure. Warm your fingers and re-measure.
- This is reference data. It cannot be used for diagnosing respiratory diseases. If values below 93% persist, consult a medical professional.

2.4 Other Functions

2.4.1 Compass Function

Navigate to "Function List" > "Compass". Follow the on-screen instructions to hold the device horizontally and draw a figure-eight shape in the air three times slowly (calibration takes about 1 minute). Perform in an open area. Strong magnetic fields from magnets or electronic devices (microwaves, refrigerators, car engines, etc.) can interfere with calibration and lead to inaccurate results. After calibration, it displays the North direction and bearing (0-360°) with an error of ±5°.

2.4.2 Altitude Calibration Function

Navigate to "Function List" > "Altitude". The current altitude is displayed (estimated via barometric pressure/GPS, with an initial error of ±10m). Tap "Calibrate", enter the known accurate altitude (refer to meteorological data/map apps), and tap "Confirm" to correct the value (error reduced to ±3m).

2.4.3 Offline Map Function

Note: Maps cannot be loaded if the battery is below 30%. Charge the device and update the watch and app to the latest versions. For detailed usage, refer to the tutorial via the QR code.

Part 3: Usage Procedures

3.1 Permission Settings

Set location information to "Always Allow" in smartphone settings. If "Nearby Device Permission" is present, set it to "Allow" (if already set, it's recommended to change it to "Deny" then back to "Allow").

3.2 Map Download

In the app, go to "Device" > "Offline Maps" > "Download New Map". Select the region (range: 5x5km ~ 50x50km). When downloading a new map, delete existing maps first, then tap "Download Map Locally".

Edit the location name → Tap "Confirm" → Proceed to the download page.

Progress is displayed on the app and watch during download. Do not close the page.

After completion, you can check/delete maps in "Download Management".

3.3 Location Information Display on Watch

On the watch, navigate to "Function List" > "Map" → Location information acquisition takes 30 seconds to 4 minutes (depending on GPS signal strength).
① "GNSS" icon (satellite mark) at the top of the screen indicates location acquisition in progress.
② Compass icon displayed: Acquisition complete. Ready for use.

Note: Not usable indoors. For outdoor GPS environments only.

3.4 Navigation

During navigation: Use the "+""-" buttons on the right or rotate the menu button to zoom the map in/out.

3.5 Track Recording and Management

Start Recording: On the map screen, tap "Toolbox" on the left → "Record". Time displayed at the top indicates recording is in progress.
During Recording: Tap "Toolbox" or briefly press the menu button → Select "Return to Track" or long press the menu button to end recording.
Returning to Track: Tap "Toolbox" or briefly press the menu button → Return to map screen, or long press the menu button to end.
After Recording: Go to "Toolbox" > "My Tracks" → Long press the track to delete. After selection, you can choose "Forward Navigation" / "Reverse Navigation".
During Navigation: Tap "Toolbox" or briefly press the menu button → Change starting point, or long press the menu button to end navigation.

3.6 Weather Sync

While the device and smartphone are connected, go to the app "Device" > "Weather Settings" and turn "Weather Sync" ON. Also:

Android: Settings > Apps > AGM Nexus > Permissions > Location > "Always Allow".
iOS: Settings > AGM Nexus > Location > "Always Allow".

Note: The app retrieves weather data (temperature, weather, wind, etc.) every hour, displaying a forecast for the next 24 hours on the watch. Network issues may cause delays of up to 2 hours.

Part 4: Device Settings and Operations

4.1 Watch Face Change

On Device: Long press the watch face screen (2 seconds) → "Select Watch Face" screen → Swipe to select from the 3 built-in watch faces → Tap "Confirm" to apply (the screen may briefly dim, which is normal).
Cloud Watch Faces: Ensure Bluetooth/network connection between device and smartphone. In the app, go to "Device" > "Watch Face Center" → Select your desired watch face (free downloads available) → "Sync to Device" → Wait 10-30 seconds (screen may flash during sync, automatically applied upon completion).

4.2 Factory Reset

When Unpaired: Long press the side button (5 seconds) → "Factory Reset" → Follow on-screen instructions to "Confirm" (※All data will be erased and cannot be restored).
When Paired: On the device, go to "Settings" > "System" > "Reset", or in the app, go to "Device" > "Settings" > "Reset" (App login password authentication required).
※ All data (exercise records, contacts, settings, etc.) will be erased. Re-pairing is required after reset.

4.3 OTA Update

In the app, go to "Device" > "Device Information" > "Firmware Update" to check for new versions → "Download Update Package" → After downloading, it will be automatically delivered to the device → Once received, the device will update and restart automatically (progress bar displayed during update; do not disconnect power).

Note: Battery level must be above 20% for updates. Keep the device and smartphone within 1 meter and disable Bluetooth to prevent interference.

Part 5: Common Questions and Solutions

5.1 Bluetooth Related

5.1.1 Device and Smartphone Cannot Reconnect

Check if the device is powered on. If the battery is low, it will attempt automatic reconnection upon startup after charging. If connection fails even after startup, proceed with the following:
Check smartphone network: If Wi-Fi is disconnected, reconnect. If unstable, switch to mobile data (4G/5G).
Restart device: Go to "Settings" > "System Operation" > "Restart" → Reconnect app after restart.
iOS Specific Issue: If the device is reset but not unpaired from the app, unpair it from the app first, then go to Smartphone Settings > Bluetooth > "Unregister" this device → Re-pair.
If the issue persists: Unpair from the app → Factory reset the device (※Data will be erased) → Remove the device from your smartphone's Bluetooth settings → Turn Bluetooth OFF/ON → Re-pair using QR code scan via the app.

5.1.2 Device Connection Lost, Call Bluetooth Cannot Reconnect

Check if the "Call Bluetooth" switch is ON in Device "Settings" > "Bluetooth". If OFF, turn it ON and try reconnecting.
Android: Force close the app (operation may vary by model; typically long-press app icon in multitasking view → "Force Stop") → Turn Bluetooth OFF/ON + long press the device's right-side button to restart.
iOS: Fully close the app (swipe up from the bottom and pause → swipe up the app card) → Settings > Bluetooth > "Unregister" this device → Restart device → Restart app to connect.

5.1.3 Device Cannot Be Searched During Pairing

Ensure the device is powered on, within 1 meter of the smartphone, there are no strong radio interferences (e.g., from routers/microwaves), the smartphone's Bluetooth is ON, and not too many devices are connected (temporarily disconnect other Bluetooth devices if necessary).

5.1.4 Pairing Failure

Restart the device (long press side button for 3 seconds) → Remove the pairing information for this device from your smartphone's Bluetooth settings (Settings > Bluetooth > Device Name > "Unpair") → Try again.

5.2 Device Abnormalities

5.2.1 Device Freeze (Screen Stuck, No Button Response)

Connect the included charging cable. Once the charging icon appears, charge to 10% → Long press the side button for 10 seconds for a forced restart. If there is no charging response, charge for 15 minutes → Long press the side button for 15 seconds. If the problem persists, contact customer support.

5.2.2 Screen Freeze, Poor Touch Response

Water droplets or oil stains on the screen may be the cause. Clean with a soft cloth (like a glasses cloth) and dry thoroughly before operating. If frequent, check for screen scratches (cause of touch issues) or try a factory reset.

5.3 Touch Operations (Swipe etc.) Not Working

Turn on the screen with the device button and check if it's locked. If locked, long press the button (approx. 2 seconds) for the unlock animation → Continue holding to unlock. If not locked, long press the side button for 10 seconds for a forced restart.

5.4 Smartphone and Device Time Mismatch

While connected, swipe down on the app's home screen (Data Refresh) → Perform manual sync → Times should align (within 1 minute difference).

Part 6: Other Issues

6.1 Notification Issues (Delay, Not Received, Android Notification Abnormalities etc.)

Check if the app is running in the background (Android: Set app for memory protection, iOS: Allow "Background App Refresh").
Check if notifications are ON for the target app in your smartphone's "Notification Center" (e.g., "New Notifications" for WhatsApp).
Check if "Power Saving Mode" or "Do Not Disturb Mode" is OFF on the watch.
Apps downloaded from unofficial sites may lack permissions → Reinstall from the app store is recommended.

6.2 Battery Drains Quickly

Power saving can be achieved by adjusting settings:

Adjust screen brightness appropriately in Device Settings (reduce to about 50% in bright conditions).
Turn OFF "Raise to Wake" in App "Device" > "Device Settings" when not needed, or turn it OFF directly on the device.
Turn OFF notifications for unnecessary apps in App "Device" > "Notification Settings".
Turn OFF "Sleep Monitoring" and "Continuous Heart Rate Measurement" in the App "Device" screen if not in use.
Turn ON "Do Not Disturb Mode" in Device "Settings" during rest periods.
Turn OFF "Sedentary Reminder" in App "Device" > "Health Monitoring" > "Sedentary Reminder".

6.3 Music Control Not Working Properly

To control music from the device, ensure the following:

The device and smartphone are constantly connected, and the app is running in the background.
Android Users: In the app, go to "Device" > "Enable Background Operation Permission" → Follow instructions to set up.
iOS Users: Do not close the app. Ensure notification reading permission is ON (Settings > Target App > Notification Management > Permissions). ※ Settings path may vary by model.

Part 7: Safety Precautions and Disclaimer

7.1 Safety Precautions

During heart rate measurement, keep your wrist still to prevent data errors due to movement.
For daily wear, do not overtighten the belt and keep the skin contact area dry. Wash the belt regularly with water (below 30°C). If redness or itching occurs at the contact site, discontinue use immediately and consult a doctor.
Use only the included charging cable. Connect to a PC USB port or a 5V/1A charger adapter (fast chargers may degrade battery life).
Keep the charging port dry during charging. Avoid operating with wet hands or exposure to rain/liquids.
Operating temperature range is 0°C ~ 45°C. Extreme environments (below -10°C or above 60°C) can cause malfunction.
Do not attempt to disassemble or replace the built-in battery yourself. Contact an authorized service provider. Non-genuine batteries pose a safety risk.
Do not disassemble, puncture, crush, or incinerate the battery. If swelling or leakage is observed, stop use immediately and contact official support.
Do not dispose of the watch or battery in fire (risk of explosion).

7.2 Disclaimer

This device is not a medical device. Health data (heart rate, SpO2, etc.) is for reference only and cannot be used for diagnosing, treating, or preventing diseases.
The watch and its accessories contain small parts (belt buckle, screws, etc.). Keep out of reach of children. This product is not a toy; adult supervision is required if children use it.
Misuse or improper handling of the battery may cause overheating, leakage, or explosion. Adhere to the following:
- Do not crush or puncture the battery. Avoid short circuits and contact with water/liquids.
- Keep the battery away from children and heat sources. Do not expose to high temperatures (above 60°C) or low-pressure environments.
- If battery damage, foreign object attachment, or abnormal discharge is detected, stop use immediately. To prevent over-discharge, charging once every 3 months is recommended.
- Do not dispose of the battery as general waste. Dispose of it according to local environmental regulations (professional recycling services are recommended).

Part 8: Feedback

For any issues during use, first search for solutions in the app under "My Page" > "Help Center". If the issue is not resolved, please contact us via "Did not resolve? Send Feedback" or email us at service@agmmobile.com.

Part 9: AGM Legion Pro Frequently Asked Questions (Q&A)

9.1 Can third-party belts be used?

Not recommended. They may affect GPS reception.

9.2 How to enable GPS during exercise?

GPS automatically activates when you select outdoor sports modes like "Outdoor Running" or "Hiking". The "GNSS" icon at the top of the screen, lit in green, indicates successful location acquisition. If the icon is flashing or gray, location information is not being acquired, so please wait in an open area.

9.3 How to use the Offline Map function?

This function helps ensure safety and aids in returning to your original path during activities like hiking or forest exploration.

Usage Method:

From the smartwatch's function menu, select "Map".
The system will automatically start acquiring location information (takes approx. 30 seconds to 4 minutes, depending on GPS signal strength).
The "GNSS" icon indicates location acquisition is in progress.
Once the compass icon is displayed, location acquisition is successful. The "Return to Origin" function will become available.

Note: This is not a navigation function like a smartphone. It only works in outdoor environments and cannot be used where GPS signals are unavailable.

9.4 Map or Navigation Function Not Working

Please check the following points:

Be outdoors.
Location information has been acquired (compass icon is displayed).
The required offline map data has been downloaded.
No third-party metal or magnetic accessories that may affect the signal are being used.

9.5 Location Acquisition Takes Time

Move to an open area without obstructions like tall buildings or power lines, and wait for the GNSS icon to change from gray to green while holding the smartwatch facing upwards. Initial location acquisition may take time, but subsequent acquisitions will be faster. Manually updating AGPS via the "AGM Nexus" app can improve location acquisition speed.

9.6 How to Connect Smartwatch and Smartphone

Download and install the "AGM Nexus" app on your smartphone (search in app store or scan QR code in manual).
Enable Bluetooth.
In the app, select "Add Device".
Complete pairing by following the on-screen instructions.

After pairing, you can view health data and configure notification settings in the app.

9.7 Compatible Smartphone OS

Android 5.0 and above
iOS 12.0 and above

Note: For iOS, you must grant notification permissions individually. Without them, you may not receive phone or message notifications.

9.8 Can I answer calls with the smartwatch?

Yes. After connecting via Bluetooth with your smartphone, you can answer or reject calls. If you sync contacts via the app, you can also make calls.

9.9 Charging Method and Full Charge Time

Use the included magnetic charging cable (5V/1A adapter recommended). Align the charging head with the back of the smartwatch. The charging icon will appear on the screen when charging begins. Full charge takes approximately 2 hours. Battery life depends on usage.

9.10 Is there a waterproof function? Is it okay to swim with it?

It features 5ATM, IP69K, and MIL-STD-810H military-grade waterproof and dustproof performance, making it suitable for wear during swimming.

9.11 Can I play music with the smartwatch?

You can control music playback on your smartphone (play/pause/skip tracks, etc.).

9.12 About Health Monitoring Functions

Supported Functions:

Heart Rate Monitoring (Continuous/Manual)
Sleep Tracking
Stress Detection
Step/Calorie Statistics

Note: This is not a medical device; data is for reference only.

9.13 How to Change Watch Face

Long press the home screen and swipe left or right to select.
Alternatively, download additional watch faces from the "AGM Nexus" app and sync them.

9.14 Notifications Not Received