Applicable Models

IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.

This information is for the following models:

  • STR-ZA5000ES

About this download

Benefits and improvements

This firmware upgrade (version 1.174) provides the following benefits:

Improvements over version 1.171:

  • Adds support for Dolby Vision pass through

Benefits provided by previous updates and included in version 1.174:

  • Adds support for Crestron Connected® technology
  • Improved stability for HDMI®
  • Improved stability of Music Connect

System Requirements

Operating Systems

  • System Software

File Info

File Name


File Version

  • 1.174

File Size

  • 17.43 MB

Release Date

  • 11-08-2017

Before You Start

Before You Start

  • Follow the update instructions carefully.
    • Do not turn off the AV receiver or disconnect it from the AC power outlet until after the update is complete.
    • Follow the update instructions carefully. Failure to follow the instructions, or an interruption in the update process, may cause the AV receiver to become unresponsive or to require repair.
  • Contact our Support team if you need assistance with the update.

Download & Install

Installation Instructions

Determine if you need this update
Check the Current Firmware Version
Choose how to install this update
OPTION 1 - Update via Internet Method

To use this method, you need to connect the AV receiver to your internet source using an Ethernet cable.

Update via Internet Instructions
OPTION 2 - USB Storage Device (USB) Update Method

With this method, use a PC to download the firmware update, transfer the update file to a USB storage device, and then install it from the USB storage device onto your AV receiver.

USB Instructions