Technical Support
Get Product & Technical Support
Documentation, downloads and answers to get you running.
User Manuals
Download or view the user manual, installation guide, protocol and firmware for every FOFN GPS tracker model. Find your model and get the exact document Google can index.
Open →Installation Guides
Step-by-step GPS tracker installation with wiring diagrams. Learn how to install a GPS tracker, vehicle GPS tracker wiring, hardwired GPS tracker installation, ACC wire and relay wiring.
Open →Platform & APP
FOFN web GPS tracking platform and mobile apps for Android and iOS with real-time tracking, playback, geofence and fleet management.
Open →Device Configuration
Configure your GPS tracker: APN settings, server IP & port, SMS commands, upload interval, ACC, geofence, SOS and fuel sensor configuration.
Open →Protocol & API
GPS tracker communication protocol and API documentation: TCP/IP, UDP, device protocol, open API, platform API, Traccar and Flespi integration.
Open →API & Custom Integration
Communication protocols, API documentation and platform integration guidance for connecting FOFN GPS trackers to your own system and custom development projects.
Open →FAQ & Troubleshooting
GPS tracker troubleshooting guides: device offline, no GPS signal, no 4G network, inaccurate location, SIM not working and more.
Open →Contact Technical Support
Submit a technical support ticket with your model, IMEI and problem. Reach our GPS tracker support team via WhatsApp or email.
Open →GPS Tracker Resource Center
From device selection, installation and troubleshooting to fleet operations, sensors and platform integration, find practical resources for purchasing, installation and technical teams.
Installation & Configuration
Wiring, SIM card, APN, server IP & port, SMS commands and the best installation location for your GPS tracker.
Learn more →GPS Tracking Guides
How GPS trackers work, GNSS, 4G, positioning accuracy, geofencing and tracking methods — the fundamentals explained.
Learn more →Platform & Integration
Open protocol, API, your own server, Traccar, Flespi and third-party platform integration.
Learn more →