U+03A6 GREEK CAPITAL LETTER PHI

The Unicode character U+03A6, officially named GREEK CAPITAL LETTER PHI, was introduced in Unicode version 1.1. It is part of the Greek block, which belongs to the Basic Multilingual plane.

Categorized technically as a Uppercase Letter, this character typically falls under the Greek script. In terms of text layout and rendering, the glyph is not a composition and has ambiguous in East Asian typography. When placed in bidirectional text, it behaves as an Left-To-Right character. Its visual representation remains not mirrored regardless of the reading direction.