- Traditional Chinese Character(HanT):
哀鳳二一
- Simplified Chinese Character(HanS):
哀凤二一
- Bopomofo(Mandarin Phonetic Symbols): ㄞ ㄈㄥˋ ㄦˋ ㄧˋ (ㄞㄈㄦㄧ)
- Bopomofo(Zhuyin Keyboard Input/IME): "9 z/4-4u4" (9z/4-4u4)
- (ASCII) Hanyu Pinyin: "aifengeryi" "Ai1Feng4Er4Yi4" "Ai1 Feng4 Er4 Yi4" (AFEY)
- (Latin) Hànyǔ Pīnyīn: FèngèrYì [ Fèng èr Yì ]
- (英文翻譯) English Translation: "iPhone 21"
- (西語翻譯) Traducción Español: "Aifeng Eryi"
- (日文翻譯) 日本語翻訳: "アイフォン21"