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-DN1070

About this download

Benefits and improvements

This utility installs version M35.R.2137 of the AV Receiver Firmware software and provides the following changes and benefits:

Improvements over version M35.R.2135:

  • Improves system stability
  • Changes the default settings to allow you to start Chromecast built-in playback from Standby mode.

Benefits provided by previous updates and included in this version.

System Requirements

Operating Systems

  • System Software

File Info

File Name


File Version

  • M35.R.2137

File Size

  • 214.44 MB

Release Date

  • 01-25-2018

Before You Start

Before You Start

  • Follow the update instructions carefully.
  • Your AV Receiver needs to be connected to a TV to install the update.
    • Don't operate, power off, or disconnect the AV Receiver from the AC power outlet until after the update is complete.
    • Failure to follow the instructions, or an interruption in the update process, can cause the receiver to become unresponsive or to require repair.

Download & Install

Installation Instructions

Determine if you need this update
Check the Firmware Version of the AV Receiver
Choose how to install this update
OPTION 1 - Update via internet Method (Recommended)

The Update via internet method is straightforward and the easiest way to update your receiver. To use this method, your AV Receiver must be connected to your internet source using an Ethernet cable. (512Kbps or faster). If you have a slower connection speed, use the USB Storage Device method instead.

Read the Update via internet Instructions
Troubleshooting for the Update via internet
OPTION 2 - USB Storage Device Update Method

With this method, you use a PC to download the firmware upgrade to USB storage device, and then install it from the USB storage device onto your AV Receiver. You'll need a USB storage device with 150MB space available, and your AV Receiver has to be connected to a TV.

Read the USB Instructions
Troubleshooting for the USB Update