I'm having HTC Sensation and I use wi-fi on a regular basis instead of mobile network (bad data plan). For the old Android version there was no problem, I just switched of background syncing and set option "Sync only via wi-fi".
After the update mobile network turns on automatically...
I couldn't find exact duplicate of "Sync only via wi-fi" in the update.
I went to Settings->Wireless&Network->Usage->Menu->Usage Settings -> "Restrict background data", but two problems still arise:
- Can't get rid of Notification "Background data restricted"
- Mobile network turns on automatically when decides to sync.