First Windows release
BoltUpdateTool is an unofficial firmware updater for the Logitech Bolt USB receiver. This release contains Windows ARM64 and 32-bit x86 applications.
Choose the correct download
- Windows ARM64: BoltUpdateTool-1.0.0-Windows-arm64.zip
- Windows x86 (32-bit): BoltUpdateTool-1.0.0-Windows-x86.zip
The x86 build can run on compatible x64 Windows installations through Windows 32-bit compatibility. A native x64 build is not yet published.
Highlights
- Native WPF user interface
- Windows HID device discovery and transport
- Logitech Bolt runtime support for 046D:C548
- Automatic transition to bootloader 046D:AB07
- HID++ 1.0 runtime and HID++ 2.0 DFU communication
- Manual validation of matching application and radio DFU files
- Guided reconnect flow, visible progress, and post-update verification
- No telemetry, network access, or bundled firmware
Requirements
- A compatible Windows 10/11 installation
- Matching .NET 10 Desktop Runtime: https://dotnet.microsoft.com/download/dotnet/10.0
- Logitech Bolt USB Receiver
- Two matching, unpacked, signed Bolt DFU files
Install the ARM64 runtime for the ARM64 download or the x86 runtime for the x86 download.
Installation
- Download the ZIP matching your Windows architecture from Assets below.
- Download the corresponding .sha256 file and verify the checksum.
- Extract the complete ZIP archive.
- Install the matching .NET 10 Desktop Runtime if it is not already present.
- Start BoltUpdateTool.Windows.exe.
Windows signing notice
The executables are not currently Authenticode-signed. Windows SmartScreen may show an unknown publisher warning. SHA-256 checksums are provided so both archives can be verified.
Important safety notice
This project is experimental and is not affiliated with or supported by Logitech. An interrupted update or incompatible firmware package may render the receiver unusable. Use it at your own risk, preferably with a spare receiver first. Firmware is not included.
SHA-256
ARM64:
167511021b55825849007dd34f678f4ddf7fb4a2457971617127b1132e3221e4 BoltUpdateTool-1.0.0-Windows-arm64.zip
x86 (32-bit):
65b4e4b1dadc49d5e58bc14bd07a5e192db0ac3673e1a350b1d00e276d9d3c64 BoltUpdateTool-1.0.0-Windows-x86.zip