- To install PC Suite 4.81, run the setup.exe for PC suite 4.81. During installation, the setup.exe will ask you which connection methods you want to use with the PC Suite. If you want to use Bluetooth, you have to insert your Bluetooth card, DTL-4, and connect your phone using the Bluetooth Neighbourhood during the installation. Make sure that you have installed the Bluetooth Neighbourhood and that you have your Bluetooth card, DTL-4, before you install the PC Suite 4.81.
- If you want to use infrared, you will also have to connect to your PC via infrared during the installation process

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