The unit came with Froyo (2.2.1) Android, the ROMs are currently. The device is easy, acting hochwerig, making a total of a beautiful figure.
The battery life is not as bad as I expected. Since I regularly synchronize my emails and relatively much m Online ... I can Figure out with a battery life of about 1.5 days ago. In UMTS mode are 3-4 days (for surfing in mobile format (WAP) and mail reception is quite sufficient)
The LARGEST downside is ... the GPS! It works very poorly (if at all). A solution does not seem to be present.
A tip from me ... the mail client of Samsung is very confusing and is not stable ... just "Improved Email" install (Synch with Exchange is perfect app is free, supports sub-folder). It is worth it.
A launcher as "Launcher Pro" accelerates the system and makes everything easy ... better.
For the (damahligen) full price absolutely overpriced, for the current price very good.
An update to Gingerbread should soon be possible.