There is also an upgrade of this model, the Samsung D900i which can be used to access documents on your computer from your phone and added an FM radio as well as was made out of higher-quality materials.

The D900 was succeeded by Z720, also known as Ultra Edition 13.8 in August 2006, following the 3MP camera, QVGA display, upgraded interface and high-speed HSDPA/3G connectivity and it was available exclusively for Vodafone, Movistar (Spain only) & China Mobile (Z728 only).

The phone has features including: The slider can be configured to accept and close calls, as well as locking and unlocking the keypad.

The handset also lacks the ability to use imported files as an SMS alert tone, leaving only the small default selection of sounds available to the user.

The interface inside it does not allow the users to modify the phone's profiles or add applications, compared to its rivals where you can upgrade the firmware through USB.