49Using the headsetAccessories and TipsThis chapter shows you how to use accessories with your smartphone, as well asprovide useful tips for when you are using your smartphone.Using the headsetYour smartphone comes packaged with a headset with built-in microphone forhandsfree use when making calls.To use the headset, plug it into the 3.5 mm headphone jack at the top of thephone.When the headset is plugged in, all audio is routed to the headset, and thespeakers are turned off.• To answer an incoming call, press the button on the microphone.• Adjust the volume using the volume up/down button on thesmartphone.• End the call by pressing the button again.Using a Bluetooth headsetYour smartphone’s Bluetooth functions make it fully compatible with allBluetooth headsets. This allows you to use the unit handsfree when makingcalls, without the inconvenience of wires.Creating a new access pointWhen you need to add another GPRS/3G/EDGE connection on your phone,obtain the access point name and settings (including username and password ifrequired) from your wireless service provider.1. Open the applications tab and tap Settings > Wireless & networks > Mobilenetworks > Access Point Names.2. Press the Menu button and tap New APN.3. Enter the APN settings. Tap an item to adjust it.4. When you have finished press the Menu button and tap Save.Important: Some providers and countries do not allow the use of a smartphone as amodem over HSDPA. Please check with your provider before attempting to do so.Inserting a microSD CardYour smartphone features a memory expansion slot that accepts a microSDCard to expand memory and storage capacity.Please refer to “Installing a SIM or microSD Card“ on page 11 for instructions oninstalling a microSD Card.