smartphone; high-functionality mobile phone
Used primarily in technical or marketing contexts to describe a mobile phone with advanced features, often as a precursor or alternative to modern smartphones. The cross-reference to スマートフォン suggests a contrast or historical relationship.
See also: スマートフォン
In the 2000s, high-functionality mobile phones were widely used before smartphones became common.
This high-functionality mobile phone had advanced internet capabilities for its time.
スマートフォン refers to modern smartphones with touchscreens and app ecosystems, while 高機能携帯電話 is an older term for feature phones with advanced functions, often with physical keypads.
Compound of 高機能 (high functionality) and 携帯電話 (mobile phone). A descriptive term that emerged in the early 2000s to distinguish advanced feature phones from basic models.