T9 is a predictive text technology for mobile phones (specifically those that contain a 3×4 numeric keypad), originally developed by Tegic Communications, now part of Nuance Communications. T9 stands for Text on 9 keys.[1]

T9 (Text on 9 keys) is a predictive text method based on a dictionary, used in (old) mobile phones to type text on a keyboard/keypad with only numeric keys. How to encrypt using T9 cipher? T9 encryption replaces a letter by the corresponding key code on a mobile phone keypad/keyboard (compatible with Text on 9 keys).

This tool allows you to find words using T9 predictive text. You can type or click the numbers to have them display. Then you can cycle through the words found until you are happy with your choice. Example: 43622243 is geocache. See Vanity Code Tool to encode/decode using two additional methods. |

T9 （Text on 9 keys）是一种透過 3×4数字键盘 在 功能手機 上使用的 预测性文本技术 （英语：Predictive text），最初由 Tegic （英语：Tegic） 开发。 T9代表9个按键上的文字 [1]。 T9輸入法在1990年代後期開始普及。 智能手机 普及後，由於新款智能手机拥有全触摸屏键盘，T9逐步淘汰。 不過T9仍被用于某些没有触摸屏的廉价手机上。 此外安卓手机依舊有T9拨号功能，用戶在拼写联系人的名字後便能撥通联系人的電話。 T9的目标是更容易地输入 短信 （文本消息）。

2024年9月27日 · To type using T9, press each key that contains the letter you need once. Cycle through predictions using the 0 or up and down arrows. iPhone and Android don’t have built-in T9 keyboards. You can try the Type Nine app for iPhone or Smart Keyboard Pro for Android. Set your phone to T9 mode. You can open a blank message to test this.

2022年8月26日 · T9 texting, also known as “Text on 9 keys,” was widely popular from the mid-1990s to the early 2000s. It allowed users to type quickly on 9-button cell phones with the help of predictive text. Though less common today with full smartphone keyboards, it remains a …

2023年7月20日 · T9, which stands for Text on 9 keys, was designed to predict the word or phrase a user intended to input based on the sequence of key presses. This revolutionary algorithm eliminated the need for multiple key presses to input a single character or word and significantly improved the speed of texting on mobile devices.

2024年11月27日 · The acronym T9 stands for Text on 9 keys. T9 "predictive texting" is a tool used primarily on non-smartphones (those with just a nine-key keyboard similar to a telephone) to allow users to text more quickly and easily.

Short for “Text on 9 keys,” T9 was a game-changer in the world of mobile phones. It was a predictive text technology designed to make typing on those tiny numeric keypads a whole lot easier. Developed by Tegic Communications (now part of Nuance Communications), T9 used a clever algorithm to guess the word you were trying to type after just ...

Text on Nine Keys (T9) is a predictive text input system that uses a nine-button keypad to enter words by pressing each key once for multiple characters. By utilizing statistical probabilities and word patterns, T9 significantly reduces the number of …