Release Notes

RSNAV S5 PRO/ULTIMATE SOFTWARE UPDATE Release Date: April 29, 2026 | Status: ONLINE   [ Key Enhancements ] Application Updates: Updated Z-LINK v6.x, New DSP App (replaces EQ), and CarInfo (includes G-Meter). Netflix System Optimization: Resolved CAN BUS overloading issues and refined MCU power-up/shutdown logic. User Interface: Improved Upper Menu Bar and Steering Wheel '*' Key customization. More volume control scenarios Note on DSP APP:This DSP only works when the sound is going through Audi Auxiliary Input or SPDIF output of RSNAV. If you are using Audi Bluetooth for music streaming, this function is not applicable.DSP is set to work best when Android Volume Control is disabled in car settings app or Android volume is set to 32 (or about 70%). Audi...

In a few cases, the mcu file the part of the 20250715 RSNAV S5 Pro/Ultimate updates may cause battery drainage due to improper shutdown. Thus, the files are removed and the update is not advisable until further notice. If you are affected by the issue, please contact the customer service for the corrected MCU file. We are sorry for the inconveniences.

20250715 RSNAV S4 Pro/Ultimate updates Warning As this update includes XML update, before you update anything, please take a picture of all configuration under the factory settings options including AUO, Hstart option. Once XML gets updated all the known configuration will be lost and you need to configure them into previous configuration manually. AGAIN, DO TAKE PICTURES OF EVERY FACTORY SETTINGS BEFORE YOU PERFORM FACTORY XML UPDATE.  There will be a lot of errors due to car mode mismatch resulting scrambled screen in OEM mode, loss of MMI control etc. Once XML is updated, reset the system with 'Back' button pressed...

20250715 RSNAV S5 Pro/Ultimate updates Warning As this update includes XML update, before you update anything, please take a picture of all configuration under the factory settings options including AUO, Hstart option. Once XML gets updated all the known configuration will be lost and you need to configure them into previous configuration manually. AGAIN, DO TAKE PICTURES OF EVERY FACTORY SETTINGS BEFORE YOU PERFORM FACTORY XML UPDATE.  There will be a lot of errors due to car mode mismatch resulting scrambled screen in OEM mode, loss of MMI control etc. Once XML is updated, reset the system with 'Back' button pressed...

NOTE THAT THIS IS A S4(QUALCOMM SNAPDRAGON 665) UPDATE, NOT CURRENT S5 SYSTEMS(668). 1. Reverted USB DAC support related issue reported from the last release 2. When  the user press the reset button three times in a row to force a factory reset 3. Modified the system to automatically enter factory reset when the fastboot interface appears https://drive.google.com/drive/folders/1rq2x0vk7NCF7bBKWR9HDQKoAh5zGMqu4?usp=drive_link