It is used only in the Udmurt language where it represents the close front unrounded vowel , and is used only after the non-palatalized dentals , , , ,  and ; the Cyrillic letter I (Ии) is used otherwise.
The letter "I" is used only in the Udmurt language to represent a specific sound, which is a close front unrounded vowel. It is only used after non-palatalized dental consonants: , , , , and ; for other cases, the Cyrillic letter I (Ии) is employed.