upgrade to 4.3 on qnap

[balma01]

In may qnap ts-420 I've installed asset upnp Version: R4.2; Functionality: Premium Registered.
How to upgrade to 4.3 without loosing any personalization?
Which are the main differences between 4.2 and 4.3?
Thanks in advance
M

[Spoon]

Mainly the features from 4.2 for Windows which were missing on QNAP:

http://forum.dbpoweramp.com/showthre...-(for-Windows)

it is only possible to update by uninstall old first (and lose settings)