Introduction
The Fi Series 3+ Smart Dog Tracker Collar is designed to provide advanced tracking and monitoring capabilities for your dog. This device offers real-time GPS location tracking, health and behavior monitoring, and safety features like escape alerts. It is built to be durable and waterproof, ensuring reliable performance in various environments.
This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Fi Series 3+ collar. Please read it thoroughly to ensure optimal use and the safety of your pet.
What's in the Box
Your Fi Series 3+ package includes the following components:
- Fi Series 3+ Device (Tracker Module)
- Collar Band (Blue, X-Small)
- Charging Base
- USB Charging Cable

Image: All components included in the Fi Series 3+ Smart Dog Tracker Collar package.
Setup
1. Download the Fi App
Before beginning, download the official Fi app from the Apple App Store or Google Play Store onto your smartphone. The app is essential for activating, configuring, and monitoring your Fi collar.
2. Assemble the Collar
Attach the Fi Series 3+ device to the collar band. Ensure the device is securely fastened to prevent accidental detachment. The collar is designed for easy assembly and disassembly for cleaning or band replacement.

Image: The Fi Series 3+ collar assembled and worn by a dog.
3. Charge the Device
Connect the USB charging cable to the charging base and plug it into a power source. Place the Fi device onto the charging base. The device will indicate when it is charging and when it is fully charged. A full charge can provide up to three months of battery life, depending on usage and signal strength.
4. Activate in the App
Follow the on-screen instructions within the Fi app to activate your collar. This process typically involves creating a profile for your dog, setting up safe zones, and configuring notification preferences.
5. Collar Sizing
Ensure the collar fits your dog comfortably and securely. It should be snug enough not to slip over their head, but loose enough to allow two fingers to fit underneath. Refer to the size guide below:

Image: Fi Collar Size Guide with corresponding neck circumference ranges for each size.
Operating Instructions
The Fi Series 3+ collar operates in conjunction with the Fi mobile application. All monitoring, tracking, and alert settings are managed through the app.
App Dashboard Overview
The Fi app dashboard provides a comprehensive view of your dog's status, including live location, activity levels, and sleep patterns. You can access detailed reports and historical data directly from the app.

Image: The Fi app dashboard displaying location, activity, sleep tracking, and Apple Watch integration.
Apple Watch Integration
For users with an Apple Watch, the Fi app allows you to view live location, activity, and activate Lost Mode directly from your watch. This provides convenient access to critical information without needing your phone.
Health and Behavior Monitoring
The Fi Series 3+ collar utilizes AI-powered technology to track various aspects of your dog's health and behavior, providing insights into their overall well-being.
Activity and Rest Tracking
Monitor your dog's daily steps, activity levels, and rest periods. The app provides data on walks, active time, and sleep duration, helping you understand their routine and identify any changes.
Behavioral Insights
The collar can detect and analyze specific behaviors such as barking, licking, scratching, eating, and drinking. This data can help you identify potential health issues or behavioral patterns that may require attention.

Image: The Fi app displaying detailed AI-powered behavior tracking and analysis.
Smart Vet Records
The Fi app allows you to store and organize your dog's medical history, including vet receipts, vaccine records, and training certificates. This feature helps keep all important health documents in one accessible location.
Location Tracking and Safety Features
The Fi Series 3+ collar provides advanced GPS tracking and safety features to help you keep your dog safe and locate them quickly if they wander off.
GPS Tracking
The collar offers nationwide, real-time GPS tracking with no range limits. You can view your dog's live location on a map within the Fi app.
Custom Safe Zones and Escape Alerts
Set up custom virtual fences (Safe Zones) in the Fi app. If your dog leaves a designated safe zone, you will receive instant escape alerts on your smartphone. In the event of an escape, the GPS tracker provides real-time notifications every few seconds as your dog moves.
Lost Dog Mode and Search Party
Activate Lost Dog Mode in the app to enhance tracking capabilities and engage a 'Search Party' feature, which can help enlist your community to locate your dog faster.

Image: Fi app features for location tracking, including safe zones, escape alerts, and lost dog mode.
Maintenance
Waterproof Design
The Fi Series 3+ collar is fully waterproof (IP68/66K) and designed to withstand exposure to fresh and salt water. This allows your dog to swim and play without damaging the device.
Charging
Recharge the device using the provided charging base and USB cable. Monitor the battery level through the Fi app. The collar features an LED light that can be customized for visibility in the dark.
Cleaning
To clean the collar band, detach the Fi device and wash the band with mild soap and water. Ensure the band is completely dry before reattaching the device. Wipe the Fi device with a damp cloth as needed.
Durability
The collar is built with 500 lbs pull resistance, making it suitable for active dogs and resistant to chewing and pulling.
Troubleshooting
If you encounter issues with your Fi Series 3+ collar, consider the following troubleshooting steps:
- No GPS Signal: Ensure the collar is in an open area with clear sky view. Check the app for signal strength.
- Device Not Connecting: Verify Bluetooth is enabled on your smartphone. Ensure the Fi app is updated to the latest version.
- Battery Draining Quickly: Check the app for battery health. Ensure the device is fully charged. Frequent use of live tracking or being outside of Wi-Fi range can increase battery consumption.
- Inaccurate Activity Data: Ensure the collar is worn correctly and securely on your dog.
- Collar Not Charging: Check the USB cable and charging base for damage. Ensure the device is properly seated on the charging base.
For persistent issues, refer to the support section or contact Fi customer service.
Specifications
| Feature | Detail |
|---|---|
| Brand | Fi |
| Model Number | FCB3 |
| Connectivity Technology | Cellular, Bluetooth |
| Supported Application | Fi App (Compatible with Apple Watch, Smartphone, Tablet) |
| Specific Uses For Product | Pet Monitoring, GPS Tracking, Health & Behavior Monitoring |
| Material | Plastic (Device), Fabric (Collar Band) |
| Battery Capacity | 285 Milliamp Hours |
| Item Weight | 77 Grams |
| Water Resistance | IP68/66K (Fully waterproof) |
| Pull Resistance | 500 lbs |
Warranty Information
The Fi Series 3+ Smart Dog Tracker Collar comes with a 1 Year Warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims. For detailed terms and conditions, refer to the official Fi website or contact customer support.
Support
For further assistance, technical support, or to report any issues, please utilize the following resources:
- Fi Mobile Application: Access help articles, FAQs, and contact support directly through the app.
- Fi Website: Visit the official Fi website for comprehensive support documentation, user guides, and contact information.