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]

2025年2月11日 · T9 （Text on 9 keys）是一种通过 3×4数字键盘 在 功能手机 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输入法在1990年代后期开始普及。 智能手机 普及后，由于新款智能手机拥有全触摸屏键盘，T9逐步淘汰。 不过T9仍被用于某些没有触摸屏的廉价手机上。 此外安卓手机依旧有T9拨号功能，用户在拼写联系人的名字后便能拨通联系人的电话。 T9的目标是更容易地输入 短信 （文本 …

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).

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 …

TT9 is a 12-key T9 keyboard for devices with a hardware numpad. It supports predictive text typing in 30+ languages, configurable hotkeys, and an on-screen keypad that can turn your smartphone into a Nokia from the 2000s. And, best of all, it doesn't spy on you! This is a modernized version of the original project by Clam-.

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.

2009年2月26日 · The PDA versions of T9 were able to seamlessly integrate exact spelling and ambiguous key interpretations, and the PDA displays were wide enough to show multiple word matches. But we decided to create secondary input modes to …

2025年3月4日 · What is T9 dialing? T9 (or Text on 9 keys) was popular when mobile phones had physical number pads. It allowed users to dial numbers or type text messages using just a few key presses, predicting the word or name they wanted based on the numbers they tapped. Each number key represents multiple letters. For instance, 2 represents A, B, and C.