User's Manual

Button function
Data upgrade
This product uses a convenient single-button operation
mode. It will start automatically when you turn on the
product.
【Press and hold】 the button for about 3 seconds to
enter the data upgrade state.
【Press】 the button to adjust the volume. When the
volume is at its maximum, press the button once to turn
it down. You can choose from eight levels of volume.
1. Bluetooth connection to mobile phone: Scan the QR
code to download the mobile app (only for Android
phones for the time being) and follow the instructions
on the page. Download URL: gsm.wanmagps.com/up-
date/sopft.apk