FSC-BT3431 Upgrade Manual
Introduction
Overview
Welcome to use the Feasycom BT3431 series Bluetooth module. This document mainly introduces the OTA upgrading process of the BT3431 series Bluetooth module.
Applicability
This document is applicable to the Feasycom BT3431 series module.
Preparation work
Android phones. OTA upgrading is currently only supported for Android phones.
Upgrade APP NSUtil (APP download link： [Feasycom Appgallery] ).
Upgrade file. Files with the _Update extension are upgrade files.
Transfer the upgrade file to the phone.
Upgrading Steps
Open the NSKUtil APP
Select Bluetooth device and connect
Select the local upgrade file
Click “Upgrade” to update Bluetooth
After the upgrade is successful, the app will automatically disconnect.
Read Firmware Version
You can query the module version through the AT+VER command.
