would be able to share the patch notes or provide link for the same.
No problem, they were posted in this thread before (somewhere way back), but:
http://www.iriver.jp/information/entry_744.php
Just copy and paste the details section into Google Translate, it will read oddly but if you've spent as much time as I have using that service with Japanese web pages you kind of get used to it:
[Firmware update contents]
Applicable models: Astell & Kern AK240
■ Enhancements
NAS support for MQS: 1
(Access to the NAS in the same environment in via Wi-Fi from * AK240, it can be downloaded files and streaming playback)
The two lines displayed in the folder name long: 2
Ability to change the order of playback from a playlist: 3
When paired with the smart phone, it displays the phone number to AK240 body side when a call comes in with the Bluetooth: 4
5: MP3 VBR file playback, the display of "VBR · sample rate" in the bit rate / sample rate display part
Additional Language Russian, German: 6
■ Improvements other
- Improved operational stability
[Note]
■ Data in the body will not disappear, but just in case, important data, please back up always before upgrading.
■ free space on the player you will need more than 1GB.
※ FW is the update "OTA (Over-The-Air)" only.