[benyclaudiu]

tFor bose sound system units, you will need to log in with the user and set not to update their bose sound, or remove fiber optics from the rear amplifier. otherwise you will run out of sound.
You have in the photo the combination of buttons to enter the engineering menu, then choose sd 1 after reading meta info the software appears and press the central button read and meta info standard data go down from the central button to the bottom of everything and give start update then start and start update.Procedure
Bottom-left, Top-left buttons listed below are the ones surrounding the rotatory wheel

1. Format your SD card with Fat32
   
   
2. Extract all files to SD card from RAR file - (such that you end up with a lot of folders are at root of the card)
   
   
3. SD card with files to SD1 slot of car
   
   
4. Turn on ignition (not the engine)
   
   
5. Press Radio
   
   
6. Hold Back + Bottom-Left buttons for 6 seconds - Green menu appears
   
   
7. Tick the following option: production -> rcc_prod -> swdl_prod
   
   
8. Press Radio
   
   
9. Hold Back + Top-Left buttons for 6 seconds - Red menu appears
   
   
10. Click update -> SD1 -> User defined
    
    
11. Click Update on bottom right
    
    
12. Enter into Bose6416A_P. Click All -> NONE -> All (if you don't do this, your Bose audio will not work until you get it fixed by a dealer)
    
    
13. Press back and verify that N is written next to Bose6416A_P
    
    
14. Scroll down all the way and click Start Update -> Start
    
    
15. Wait until the process completes. Will reboot several times.
    
    
16. In the next list that appears, scroll to bottom and click Resume -> Cancel version compare
    
    
17. Wait until the process completes. Will reboot several times.
    
    
18. If MMI is turned off at this time, press Start button to turn it on. Don't start engine.
    
    
19. Reboot MMI by holding for a second or two Menu + Rotary Control + Top-right button