Thank you for the link, as least now had new info for the amber update (except those info on wpcentral).
P/S: To those that can't read Chinese, here the summary of the blog:
- The blogger had attended a gathering held by Nokia, inside Nokia discuss their road plan and show them a lumia 920 upgraded with Amber update.
- Got double tap to wake up phone and clock display on dark colour lockscreen.
- New Color profile function to set colour saturation and colour temperature on phone's display
- Camera's white balance improved.
- Camera's ISO added ISO1600 and ISO3200.
- Camera's focus not much difference, except taking macro shot.
- Nokia Smart Camera Apps
- Data Sense, can set internet data cap on your phone, display internet usage of each apps in last 30 days, open IE10 had function to use data sense to further reduce data usage, and had function to use HERE maps to found nearby free WIFI hotspot.
- 520, 620 & 720 will soon support Bluetooth Low Energy aka Bluetooth 4.0 (transfer data using less battery power?)
- FM Radio enabled, except 620 (hardware don't support). Radio's UI is same as Windows Phone 7.x
- Flip to Silence function added.
- Stock photo preview had clearer display.