Internet

The Sony Ericsson Z520a browser supports WAP 2.0 (WML, CSS, and xHTML Mobile and xHTML Basic), allowing consumers to check the web for weather reports, sports scores, stocks quotes, and travel information. Using GPRS Class 10 (4+2) Internet-style packet-based technology, the Z520a can connect to the Internet for speeds of up to 48 kbps.

Transferring rates of two to three times faster than traditional GPRS networks, mobile technology is gradually transitioning to 3G broadband access. Disappointingly the Z520a is not capable of accessing Cingular's EDGE (Enhanced Data rate for GSM Evolution) network.

Storage

Depending on software configuration and file content, the Z520a's 16 MB of internal memory is dynamically shared among stored multimedia.

Without an expansion slot, consumers will need to clear out space should more storage be needed. A considerable drawback, had Sony Ericsson included a TransFlash memory card slot, the MP3 player would not have been so limited, making it virtually useless.

Connectivity

Connecting without cables to headsets, car handsfree equipment, computers and PDAs, and other devices, the Z520a can pair with up to 16 devices within a 10 meter range; supporting Bluetooth 2.0 technology.

Connected to a Bluetooth capable PC, multimedia can to to and from the Z520a. Additionally, the Z520a can turned into a wireless modem for connecting to the Internet and data transfer. Fast synchronization is even possible without line-of-sight through Calendar, Notes, and PhoneBook.

But most interesting is the presence of Bluetooth HID (Human Interface Devices) profiles. Once the Z520a is connected to a PC through Bluetooth, it becomes essentially a combined keyboard and mouse. By assigning specific combinations of computer keyboard key presses to each key on the phone keypad, users can control computer applications with the phone as a remote.

HID configuration files can be downloaded into the Z520a through its various connectivity options; Bluetooth, IrDA (infrared) or USB data cable (optional accessory). Configuration files are needed for keypad controls of individual computer application. These consist of an XML file for the keypad and an image for the display. Consumers can modify the files themselves on their computers. A few configuration files are pre-loaded in the phone that enables the user to navigate on a computer desktop, control presentations, and media players.

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