It was also the first Nokia phone to ship with Beatnik's miniBAE engine, allowing for playback of polyphonic ringtones.
An enhanced version, Nokia 3510i, was introduced some time later on 6 September 2002 and released in December 2002.
The Nokia 3560 was also released the same year, with a different keypad, and operating on TDMA and AMPS for roaming.
Yet another variant, the Nokia 3585, was released in 2002, sporting a 96x65 pixel grayscale display that operates on CDMA2000 1X network.
UEM - Universal Energy Management Data port: [7] Fbus and Mbus uses 3,3 volt levels.