Dear friend, Now we have WM 6.5 WWE for our rw68xx device.
tested by me on rw6828
Windows Mobile(r) 6.5 Profesional
CE OS 5.2.21159 (Build 21220.127.116.11)
Beta release version
, contain some bugs (Bluetooth and Active Sync), not recommended for daily use, I tried it on 6828 device, waiting report and suggestion from 6815/6818 user.
Step by step upgrade 6828 ROM via SD Card
0. Make sure your bootloader version is 1.01 not 1.5
1. Extract and copy diskimg.nb0 to a SD card (FAT32 and Blank SD Card are recommended)
2. Press and hold 2 soft key( - ) and reset, Boot loader will show up.
3. Wait abut 10 ~ 20 Minutes
4. Align Screen, adjust time and date
5. Restart your 6828