Bluetooth Firmware Update#

These pages cover a number of topics related to over-the-air (OTA) firmware update.

• Using EFR Connect Mobile App for OTA DFU: Explains how to perform a Device Firmware Upgrade (DFU) with Bluetooth OTA update using the EFR Connect mobile application.

• Adding Gecko Bootloader to Bluetooth Projects: Provides several methods for adding the Gecko Bootloader to Bluetooth projects.

• Upgrading Gecko Bootloader: Provides instructions for upgrade using UART and upgrade using OTA.

• OTA Updates Using Customized Advertising Data: Describes how to implement a robust OTA update procedure using a customized advertising data format.

• Uploading Firmware Images Using OTA DFU: Compares uploading a firmware image with Apploader and with a user application.

• Secure OTA DFU: Shows how to securely upgrade Bluetooth application OTA (over-the-air) using signed+encrypted upgrade files.

• Adding Metadata to GBL Files: Discusses how to configure other settings on a device using metadata in the GBL file.