RSNAV 4th Generation Standalone Smartphone Interface System Software Updates
1. Download the zip file and extract ISPBOOOT.BIN file into a USB stick formatted in FAT32(No NTFS, ExFAT or etc, under 64GB, Do not make any folder). 2. Plugin the USB stick and go to Setup -> System Upgrade -> Software upgrade(Not MCU).
This file can be used in both the wireless version and wired of the standalone interfaces in 'black' box There is no variation of firmware according to the screen resolution.
Update requirements: initial software version must be 8.2.0 or 9.0.0 up.
A. 8.2.0 or 9.0.0 version, press and hold BACK button twice to force the upgrade.
B. 9.0.1 to 9.0.3 version, use the system upgrade in the Setup menu.
C. 9.0.X to 9.1.0 version, Go to setup, use the system update and then upgrade.
Latest update: Version 9.1.7
1.Support more languages.
2.Improved wireless music sound quality.
3.Introducing handsfree echo reducing presets.
4.Refined MIC Settings.