1.While you are on the first call and the second call comes in, answer the incoming
call, and then touch 
> Swap calls.
2.The current call is placed on hold and you are connected to the first call.
3.4 Using Call log
The Calllogcontains a list of calls that you have dialed, received, or missed. You can use the call log to reference a recently called number quickly or add an incoming number to your contact list.
3.4.1 Adding an entry to Contacts
1.If you are already working with Phone or Contacts, touch the Call logtab.
2.Touch and hold the entry you want to add.
3.Touch Add to contacts in the options menu.
4.Touch Create new contact or scroll through the contact list and touch an existing contact name.
3.5 Using Airplane Mode
Some locationsmayrequire you to turn off yourphone’swirelessconnections.Rather than powering off your phone, you can place it in Airplane mode.
1.Press and hold 
.
2.Touch Airplane mode in the options menu.
4 Contacts
The Contacts application enables you to save and manage information such as phone numbers and addresses of your contacts. After you save contact information on your mobile phone, you have easy access to the people with whom you want to communicate.
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