Firmware Updates

Ver.0136 (18.10.2017)

Improved operation for random playback of CD/USB source.
Improved USB device read performance.
Changed the specifications so that the volume level can be adjusted on the Bluetooth audio equipment side.
Fixed the problem of muffled sound after start of the engine.

Ver.0134 (28.03.2017)

Ver.0133 (27.10.2016)

Ver.0132 (07.09.2016)

Models
KD-R770BT	KD-R771BT	KD-R771BTM	KD-R774BT	KD-R870BT
KD-R875BTS	KD-R871BT	KD-RD87BT	KD-SR82BT

You must agree to the following conditions before downloading this update program.

A written permission from JVC KENWOOD Corp. is necessary in order to redistribute this software on your personal web page.
Modification, alteration, translation, merging, reverse compiling, or reverse engineering of this software is prohibited.
JVC KENWOOD Corp. is the sole owner of all copyrights and intellectual property rights of this software and accompanying manuals and other documents.
This software is not sold but licensed to the user by JVC KENWOOD Corp. The customer has ownership only of the media containing this software and the ownership of the software itself is reserved by JVC KENWOOD Corp.
JVC KENWOOD Corp. does not guarantee the suitability of this software or its quality and function for the customer's use and will not be liable for any problems caused by the use of this software except as explicitly noted.
The customer is responsible for the selection and installation of this software as well as the result of using this software.

CD Receiver/ Digital Media Receiver Updates