1. Introduction
Welcome to the Q888 Android Smartwatch user manual. This guide provides detailed instructions on how to set up, operate, maintain, and troubleshoot your new smartwatch. The Q888 is a feature-rich device offering 4G/5G LTE connectivity, a vibrant AMOLED display, a rotary camera, and comprehensive health monitoring capabilities.

2. Setup
2.1. SIM Card Installation
The Q888 Smartwatch supports a single Nano SIM card for 4G/5G LTE connectivity, enabling phone calls, internet access, and WiFi internet access directly from your watch.
- Locate the SIM card slot on your smartwatch.
- Carefully open the SIM card tray.
- Insert a Nano SIM card into the tray, ensuring the gold contacts face downwards and the card is correctly oriented.
- Gently push the SIM card tray back into the slot until it clicks into place.

2.2. Initial Charging
Before first use, fully charge your Q888 Smartwatch. Connect the charging cable to the watch's charging port and a compatible USB power adapter. The watch features a 930mAh built-in battery designed for persistent work and rapid charging.

2.3. App Installation and Connection (HiSportPro)
To connect your Q888 Smartwatch to your mobile phone and receive notifications, you need to download and install the 'HiSportPro' application.
- Enable Bluetooth: Turn on Bluetooth on both your Q888 Smartwatch and your mobile phone.
- Download HiSportPro: From the watch's app market, download 'Bluetooth Assistant'. Use 'Bluetooth Assistant' to scan a QR code on your phone to download the 'HiSportPro' app, or search for 'HiSportPro' directly in your phone's app store.
- Bind Device: Open the 'Bluetooth Assistant' on your watch and enable its Bluetooth service. Then, open the 'HiSportPro' app on your phone and use it to scan the QR code displayed on your watch for binding.
- Synchronize Information: Once bound, the app will push information from your mobile phone to the watch, allowing you to receive notifications and synchronize data.
3. Operating Instructions
3.1. Basic Navigation
The Q888 Smartwatch features a 2.06-inch AMOLED HD square screen with a resolution of 410*502 pixels, offering a touch-sensitive interface for navigation.

- Swipe: Swipe left, right, up, or down to navigate through menus, notifications, and widgets.
- Tap: Tap on icons or options to select them.
- Press and Hold: Use press and hold gestures for additional options or to customize watch faces.
3.2. Communication Features
With its SIM card slot and 4G/5G LTE support, the Q888 enables direct communication.
- Making/Receiving Calls: Use the 'Phone' application to dial numbers or answer incoming calls directly from your wrist.
- Messaging: Send and receive text messages (SMS) using the 'Messages' application.
- Video Chat: Engage in high-definition and smooth video chats through supported applications.


3.3. Camera Functionality
The Q888 features a 5MP rotary camera with zoom and rotation functions.
- Taking Photos: Open the 'Camera' application. You can rotate the camera lens up to 180 degrees to capture images from different angles.
- Zoom: Use pinch-to-zoom gestures on the screen to adjust the zoom level.

3.4. Multimedia Playback
The smartwatch supports multi-format audio and video playback.
- Music/Video: Access your media files through the 'Music' and 'Video Playback' applications. Supported formats include MP4, AVI, MKV, MPG, and WMV.
- Bluetooth Earbuds: Pair TWS (True Wireless Stereo) earbuds via Bluetooth 4.2 for a wireless audio experience.


3.5. Health and Activity Tracking
The Q888 Smartwatch includes various sensors for monitoring your health and activities.
- Heart Rate Monitor: The built-in professional monitoring IC accurately tracks your heart rate. Access this feature via the 'Heart Rate Monitor' application.
- Sleep Monitor: Track your sleep patterns and quality.
- Activity Tracker: Precision sensors record and analyze exercise data, including mileage, heart rate, calorie consumption, and other exercise conditions. Multiple motion modes are available.


Important Note on Activity Tracking Accuracy:
Activity trackers are intended to be tools to provide information to encourage an active and healthy lifestyle. The data and information provided by these devices are intended to be a close estimation of your activity and metrics tracked, but may not be completely accurate. They are not suitable for medical purposes. Please follow medical advice; taking measurement results as self-diagnosis and treatment basis is very dangerous. Users with blood circulation disorders or blood pressure disease should seek treatment under the guidance of a doctor. Product measurements are for reference only and not for any medical use basis.
3.6. GPS Navigation and Other Functions
- GPS Navigation: The Q888 supports simultaneous joint positioning of multiple systems including GPS, GLONASS, BeiDou, Galileo, NAVIC, and QZSS for fast and accurate navigation. Use the 'Maps' application for directions.
- Flashlight: Activate the 'Flashlight' function to light up your path, useful for outdoor activities like mountain climbing or night camping.
- Applications: The smartwatch runs on an Android operating system (based on Android OS v8.1) and supports downloading, installing, and using various applications such as Facebook, Messenger, LINE, BING, PayPal, Gmail, Whatsapp, Twitter, Instagram, Telegram, Chrome, outlook.com, Yahoo Mail, and more.



4. Maintenance
4.1. Charging
To ensure optimal battery life, charge your smartwatch regularly using the provided charging cable. Avoid using damaged cables or chargers.
4.2. Cleaning
Wipe the watch screen and body with a soft, dry, lint-free cloth. If necessary, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
4.3. Water Resistance
The Q888 Smartwatch has a 'Life Waterproof' grade. This means it is resistant to splashes, rain, and brief immersion in shallow water. It is not suitable for swimming, diving, or high-pressure water activities. Avoid exposing the watch to hot water or steam.
5. Troubleshooting
- Watch not turning on: Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes before attempting to power it on.
- Cannot connect to phone via HiSportPro:
- Ensure Bluetooth is enabled on both the watch and phone.
- Verify that the 'Bluetooth Assistant' service is active on the watch.
- Make sure the 'HiSportPro' app on your phone has the necessary permissions (e.g., Bluetooth, location).
- Try restarting both the watch and the phone.
- No network signal (4G/5G LTE):
- Check if the Nano SIM card is correctly inserted and activated with your carrier.
- Ensure you are in an area with network coverage.
- Verify network settings on the watch.
- Inaccurate health data: Ensure the watch is worn snugly on your wrist, not too tight or too loose. Clean the sensor on the back of the watch. Remember that health tracking data is for reference and not medical diagnosis.
- Apps not downloading/installing: Check your Wi-Fi or cellular data connection. Ensure there is sufficient storage space on the watch.
6. Specifications
| Feature | Specification |
|---|---|
| Brand Name | Zestbolt |
| Model | Q888 |
| Display Size | 2.06 inch |
| Screen Material | AMOLED |
| Resolution | 410*502 |
| Operating System | Android Wear (based on Android OS v8.1) |
| CPU Model | SC8541E (Quad-core) |
| RAM | 4GB (also mentioned as 3G+3G memory) |
| ROM | 128G (also mentioned as 32G+3G memory) |
| SIM Card Slot | Nano SIM (single SIM card) |
| Network Mode | 4G (GSM/WCDMA/LTE) |
| Supported Frequency Bands | 2G: B2+B3+B5+B8; 3G: B1+B2+B5+B8; 4G: (FDD B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B28F/B66, TDD B34/B38/B39/B40/B41) |
| WIFI | Yes (2.4GHz) |
| Bluetooth Version | 4.2 |
| GPS | Yes (Support GPS / Beidou / Glanas / AGPS / LBS / WIFI) |
| Rear Camera | 5MP (Rotary Camera) |
| Battery Capacity | 930mAh (also mentioned as >450mAh, 2100Mah) |
| Waterproof Grade | Life Waterproof |
| App Name | HiSportPro |
| Compatibility | All Compatible |
| Metrics Measured | Heart Rate Monitor, Sleep Monitor, Other |
| Activity Tracked | Steps Tracker, Distance Tracker, Calorie Tracker, Activity Tracker, Other |
| Functions | Fitness tracker, sleep tracker, Mood Tracker, Message Reminder, Call Reminder, Answer Call, Dial Call, 24 hour instruction, Alarm Clock, Small Second, week, Phase of the Moon, Heart Rate Tracker, Interactive Music, Calendar, Countdown, Calculators |
| Supported Languages | English (Australia, Canada, UK, Ireland, India, New Zealand, Singapore, United States, South Africa), Amharic (Ethiopia), Arabic (Egypt, Israel), Bulgarian, Bengali, Catalan (Spain), Czech, Danish, German, Greek, Spanish (United States), Basque (Spain), Persian (Iran), Finnish, French, Gujarati (India), Hindi (India), Croatian, Hungarian, Indonesian, Italian, Japanese, Khmer (Cambodia), Kannada (India), Korean, Kashmiri (India), Lao, Lithuanian, Latvian, Malayalam (India), Marathi (India), Malay, Burmese, Norwegian Bokmål, Nepali, Dutch, Olomo (Ethiopia), Oriya (India), Punjabi (India), Polish, Portuguese (Brazil), Portuguese, Romanian, Russian, Sanskrit (India), Sindhi (India), Sinhala (Sri Lanka), Slovak (Slovakia), Slovenian (Slovenia), Somali, Chinese, Serbian, Swedish, Swahili (Tanzania), Tamil (India), Telugu (India), Thai, Tigrinya (Ethiopia), Turkish, Ukrainian, Urdu (Pakistan), Vietnamese. |
Note: Some specifications, particularly memory and battery capacity, had conflicting values in the provided data. The most frequently mentioned or highest values were prioritized where applicable.
7. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the seller directly. Keep your proof of purchase for any warranty claims.
8. User Tips
- Optimize Battery Life: To extend battery life, consider adjusting screen brightness, disabling unnecessary background apps, and turning off Wi-Fi or GPS when not in use.
- Regular App Updates: Keep your smartwatch applications and operating system updated to ensure optimal performance and access to the latest features.
- Secure Your Device: Utilize screen lock features to protect your personal data on the smartwatch.





