Two clocks on home screen

Do you want to display two clocks of different time zones on your home screen..?
Just follow simple steps:
Goto Applications->World Clock
Press Options->Add
Now choose the time zone for the second clock and press OK.
Navigate to your second time zone and press Options->Display settings
Move Navi key to left or right so that Single changes to Dual and then choose the clock style.
Save your settings.
Now you have 2 clocks of different time zones on you phone's home screen.

Check your data usage

If you want to check how much data you have sent or recieved (how much MB of data you have used) through phone, click on the answer key above key "1", select "options" then goto Call Manager->Data counter. Check your data usage.

Installed java applications are unable to detect internet settings

Many times we install a JAVA application(which uses internet) and when we run it, it says "unable to connect to the internet". You can check the following settings in your phone:
Goto My Files->Games and more
goto the name of any application and press "Options"
goto Advanced->Connections
Select the GPRS setting you use.
Now you are ready to use your application properly.