You can upgrade the firmware from iGPSPORT website or APP.

1. Upgrade from IGPSPORT website.

1) Power off the device and connect the device to a computer.
2) Short press the left button and the device will be recognized as a new disk.
3) Enter the webpage to download the firmware file.http://global.igpsport.com/home/download
4) Unzip the file, and put the .rsc file into the root disk directly as below:

5) The device will start upgrading automatically (do not disconnect the computer until the upgrading is finished)
6) Check the firmware version, navigating Setting>system>About
7) If the model is not at the latest version 110, pls try to upgrade the model from APP.
   A short video for upgrading from APP for reference https://youtu.be/hQJOlroqE8o

2. Upgrade from IGPSPORT APP.

Once the device was connected with APP, click the device, firmware detection to upgrade the firmware and Bluetooth model. 

A video guide for reference:
https://www.youtube.com/watch?v=Y_0qbDOb8io&list=PLv12WMOfRP3VODwo0rnzkCS0Oj-br8bsy&index=2