hi, to all sifu...i got few question here...

1. y i didnt insert sim-card, but at the top right corner stil got show the signal bar ya? sometime full, sometime 2 bars.
2. anyone try b4 click the "Battery use" option when the low batt notice come out? after click it, the screen will bcome black...is this normal?
3. y the message "Network not available. try later" always come out ya? is there any app/program running background need the connection? (PS: even the QQ app is close also like that)

sorry ya...so many question...