# Software & Firmware

## SynScan App
- [SynScan App](/content/download/software/synscan-app/index.html)
- [SynScan App [Earlier Versions]](/content/download/software/synscan-app-earlier-versions/index.html)

## Hand Controller Firmware
- [SynScan V4/V5 Hand Controller](/content/download/software/synscan-v4-hand-controller-firmware/index.html)
- [SynScan V3 Hand Controller](/content/download/software/synscan-v3-hand-controller-firmware/index.html)
- [SynScan Hand Control Firmware [Earlier Versions]](/content/download/software/synscan-hand-control-firmware-earlier-versions/index.html)

## Drivers and Tools
- [ASCOM Driver](/content/download/software/ascom-driver/index.html)
- [Motor Controllers](/content/download/software/motor-control-firmware/index.html)
- [Motor Controllers [Earlier Versions]](/content/download/software/motor-controllers-earlier-versions/index.html)
- [Accessories](/content/download/software/accessories/index.html)

## Star Adventurer
- [Star Adventurer/Star Adventurer Mini](/content/download/software/star-adventurer/index.html)

## Firmware Updates
### SynScan V5 Hand Controller For All GOTO Mounts, Version 6.04.01
- [Download](https://inter-static.skywatcher.com/downloads/synscan_v6_04_01_hand_control_firmware_release.zip)  
  Size: 782 KB  |  01-10-2025  |  SynScan V4/V5 Hand Controller  
  **What's new:**
  1. Primary update allows simultaneous connection of both the hand controller and the SynScan app.
  2. New firmware definition for the EQ mode.

### SynScan V5 Hand Controller For All GOTO Mounts, Version 6.03.00
- [Download](https://inter-static.skywatcher.com/downloads/synscan_v6_03_00_hand_control_firmware_release_1.zip)  
  Size: 782 KB  |  01-10-2025  |  SynScan V4/V5 Hand Controller  
  **What's new:**
  1. Fix SynScan GPS Elevation error.
  2. Fix minor bugs.

### SynScan V4/V5 Hand Controller For All GO-TO Mounts, Version 4.42.00
- [Download](https://inter-static.skywatcher.com/downloads/synscan_hand_controller_firmware_v4_42_00_release.zip)  
  Size: 779 KB  |  01-10-2025  |  SynScan V4/V5 Hand Controller  
  **What's new:**
  1. Allows simultaneous connection of both the hand controller and the SynScan app.

### SynScan V4/V5 Hand Controller For All GO-TO Mounts, Version 4.41.00
- [Download](https://inter-static.skywatcher.com/downloads/synscan_ver044100_firmware_release.zip)  
  Size: 779 KB  |  01-10-2025  |  SynScan V4/V5 Hand Controller  
  **What's new:**
  1. Fix GPS Elevation error.
  2. Fix minor bugs.

### SynScan Hand Controller for AllView mount, Version 4.09.01
- [Download](https://inter-static.skywatcher.com/downloads/synscanhandcontrollerfirmware_for_allview_v40901.zip)  
  Size: 590 KB  |  21-02-2018  |  SynScan V4/V5 Hand Controller  
  **What's new:**
  1. Modified picture number in Easy Pano Mode.
  2. Added backlash compensation in Video Coursing and Time Lapse Modes.

### SynScan Relay V4, Version 4.2
- [Download](https://inter-static.skywatcher.com/downloads/synscanrelay_v4_42.zip)  
  Size: 8KB  |  04-09-2019  |  SynScan V4/V5 Hand Controller  
  **Description:**
  Allows the hand controller to work as a transceiver for firmware updates.

### Windows Program: SynScan Hand Control Data Logger v1.0
- [Download](https://inter-static.skywatcher.com/downloads/synscan_hc_data_logger.zip)  
  Size: 43.7 MB  |  20-02-2026  |  SynScan V4/V5 Hand Controller  
  **Description:**
  A utility to identify hand-controller devices and log system data.