entry-level navigation system (often found in models with two SD card slots) : Indicates the AliExpress : Stands for AliExpress : This is the software/firmware version number
The MHS2-ER-AU-P1240 version is compatible with vehicles that have the system with two SD card slots. Supported models include: Audi A3/S3/RS3 (2015–2020) Audi A4/S4/RS4 (2015–2020) Audi A5/S5/RS5 (2015–2020) Audi Q2/SQ2/RSQ2 (2015–2020) Audi Q5/SQ5/RSQ5 (2015–2020) Installation Experience mhs2-er-au-p1240