via kies (cable) or kies air (wifi)..

any alternate battery ?
it cant last a day ??approx 10hrs...
from mornig 6am to 6pm only wor...

Sifus, I think I am gonna get flamed, but I am going to venture what I think is a my own accessment of the SGS2.

1. The hardware is super, the camera is great.
2. The UI is unpolished (understatement). Many things is hidden under multiple levels of menu, and involve too many clicks to access.
3. Some things work and some don't. APNDroid does not seem to work. Paypal and BUMP cannot install. So stock ROM is hopeless, unless you root.
4. Battery life sucks, even with juice defender installed. Paid for Tasker, but unfortunately cannot set data to off, late at night and still consume quite an amount of battery. Got tasker to set Wifi off, bluetooth off, GPS off. Perhaps it's just me, or I am playing with it a bit, but I would expect 2 days of battery life with lite or moderate usage.

Perhaps I am wrong, but I would not recommend to friends at this time, comments are welcome.

Exactly man. Buy a smartphone with 3g capabilities and permanently stick to 2g mode? And say that saves alot of battery? Like driving a ferarri and say i need to drive it at 60 so that i can get 50km per liter of petrol. 

Really? How come I cannot. Did u have market enabler?
That's where the complain for the UI. Have to go all the way in the multiple level menus. Or have to pay for a widget, willing to pay for useful stuffs, not really willing to pay coz Sammy or Google did not do a good UI. Was hoping the UI would be more user friendly and have a shortcut to off data or 3G. Better than old Galaxy is not good.

Of course i know, if not i wouldnt be commenting that.  Im staying in HSDPA area coverage most of the time, so i dont think boosting signal much is needed. I use 3g frequently in a day to surf the net. It would be a damn hassle to turn 2g/3g on and off.

All im saying sure all those steps reduce battery drain but phones are meant to be used regularly anyway, better find a solution that doesnt involve turning off things.

I havent root and optimize my phone yet so i dont know how much optimization can be done to save how much percentage of battery. 

I agree with with you but definitely the UI could be better. I've seen cynogenmod with a much better friendlier UI. But then again, I don't mind if these settings are nested in 10 levels, if I could leave them on all the time. The problem is that I can't leave em on all the time becoz I have to maximize battery time. Don't get me wrong, I still think it's a good phone, but it would be great if the UI is more polished.

Yes, widgetsoid is great.

r u sure 2G can check email?..

did you ever tried to surf or check email using 2G network?..I dont think we can..you still need to turn on data network to check email or surf..regardless GPRS/3G...as GPRS is consider data..without enable data network, you can only used for call/sms..just tried just now.

I agree, EDGE is good enough for MOST tasks, but do you know that in certain conditions, EDGE has a nasty tendency to block SMSes and calls from coming in while data is active? Read up on GPRS classes.

It's not a phone thing, it's a telco thing. It happened with my Nokias (E71, N97, 5800, N900) and my iPhone 4 - it WIILL happen with the SGS2 unless Celcom decides to CLASS A all their EDGE transmitters.

AND no, Maxis is NOT the answer, not with their current cekik darah billing practices.

Anyway, WHERE IS MY BATTERY CASE SAMSUNG OII. I bought the SGS2 because YOU were supposed to make a battery extender case for it.

Sigh.

Are you on Maxis?