Mfd2 Vw Software Updates
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I think the answer is no - the head unit firmware isn't updateable. If you want newer firmware for newer features like a2dp and avrcp then you have to pull and replace the unit.
Sucks that VW/Audi doesn't seem to contract the manufacturer of the head units to provide updates for a few years.The firmware is upgradeable on the RNS-315 just as it is on many lesser electronics modules on the rest of the vehicle. The real question is are these updates available to the public. The newer firmwares may or may not be compatible with your older hardware version.
Thus, flashing a new firmware on your older hardware version may cause more harm than good. VW (or any automaker ) just doesn't offer firmware upgrades to cars just to make sure you have the newest version. They are targeted to fix specific issues or match newer hardware. It's not like the Ford Sync or Chevy My Link where they dynamically update the software to add new features or address problems. VW pretty much views their systems as fixed unless a serious problem exists. Interesting take. If that were really the case VW/Audi would update the firmware on both the radio and the module to add new features like a2dp and fix issues related to track info with an iPod connected to the head unit via MFD.
There's exactly ONE update that I'm aware of for the RNS 315 A unit that is installed in my '11 Tiguan. It did fix a problem with my iPod but it wasn't easy to find or apply. If there's more updates my dealership isn't aware of them. Thus because I want Bluetooth 2.0 functionality I've purchased a D unit and a 9w7 K unit. Both have the required firmware for better Bluetooth functionality.
This.should. be provided via updates rather than requiring I replace hardware on my own nickel I'm my opinion. Updating head unit firmware is fairly straightforward, but there are caveats. With our RNS 510, there were firm warnings to match specific versions of the firmware up with specific hardware only. If you forced an upgrade on in incompatible hardware unit, you could/would brick it.
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My guess is that liability is part of what keeps the dealers from wanting to mess with it. You might want to check with the manufacturer of the head unit. Sometimes they can be very helpful and you might be surprised at what they'll provide. Then again, they maybe contractually bound to not provide anything. Either way, you don't have much to loose with an internet search and an e-mail or two. For example, I have in-wall touch screens as a part of my home automation system. The screens are Android based and the file system on one of mine got corrupted somehow.
The US supplier did not have the software to reflash the unit, nor did they seem inclined to even go look for it. They preferred to sell you a new touch screen instead. I did a bit of digging on the internet and with 10-15 minutes had a contact for the manufacturer in China, so I contacted them via e-mail not knowing what to expect. Their English speaking agent responded within hours and I had the reflash program sent to me via e-mail within a day. The reflash also contained some minor updates so I was happy x2! Eventually the US supplier took my lead and began offering the reflash software. Your mileage my vary with the RNS315, but you have nothing to loose by trying.
Interesting take. If that were really the case VW/Audi would update the firmware on both the radio and the module to add new features like a2dp and fix issues related to track info with an iPod connected to the head unit via MFD.
Vw Software Updates
There's exactly ONE update that I'm aware of for the RNS 315 A unit that is installed in my '11 Tiguan. It did fix a problem with my iPod but it wasn't easy to find or apply. If there's more updates my dealership isn't aware of them. Thus because I want Bluetooth 2.0 functionality I've purchased a D unit and a 9w7 K unit. Both have the required firmware for better Bluetooth functionality.
This.should. be provided via updates rather than requiring I replace hardware on my own nickel I'm my opinion.It is the case. Just as the ABS, Climate Control, & ECU can be updated, so can the radio. The RNS-315 doesn't need an update to support A2DP because it has that out the box from day one. The RNS-510 needed an hardware upgrade to a separate Bluetooth module for A2DP. You seem to be confused.
The original version of the RNS-315 was BT 2.0 and A2DP. The D units added better AVRCP functionality.