Modern Xiaomi smartphones, which run on the shell of MIUI or HyperOS, have advanced input systems that over time remember unique user behavior patterns. T9, or predictive input system, constantly analyzes the words you type to suggest the most likely options for continuation of the phrase. This greatly speeds up typing in messengers and social networks, but the accumulated data array may contain errors, slang or specific abbreviations that are no longer relevant.
Over time, the dictionary can get clogged with false predictions, and the phone will insist on proposing words that you stopped using long ago or that were entered incorrectly. Cleaning up T9 is not just about removing unnecessary words, it is about returning the keyboard to the ability to predict your thoughts with high accuracy. Owners of Redmi and POCOboard devices often find that the standard G or Mi Keyboard keyboard stops working correctly after a system update, and resetting accumulated data becomes the only effective solution.
In this detailed guide, we’ll take a look at all the ways you can clean your dictionary, from simply removing individual words to completely resetting your keyboard. A full keyboard reset removes all your accumulated vocabulary, including commonly used emoticons and emojis, so you’ll have to re-adjust the process, learn how to find hidden settings in the Language and input menu, how to manage the clipboard, and how to set the keyboard to work as efficiently as possible for your communication style.
The principle of the smart dictionary on Xiaomi devices
Xiaomi’s predictive set is based on a complex statistical model that ranks words by frequency of use. When you start typing, it accesses a local database that stores thousands of words and suggests the ones that are most likely to be used in this context, and over time, it grows to include not only literary norms, but also your personal abbreviations, nicknames, and even typos if you accidentally confirm them.
The feature of MIUI shells is aggressive process optimization, which sometimes leads to conflicts between the system vocabulary and user data. The algorithm can get stuck on a particular word if you have used it often in the past, and continue to offer it even when it is completely out of place, especially when the user's field of activity or interests changes, when the lexical composition of the correspondence changes dramatically.
It is important to understand that cleaning T9 does not affect the system files of the Android operating system, it only affects the user data of a particular keyboard application.This is a safe procedure that will not result in the loss of personal photos, contacts or messages. However, if you use cloud synchronization of the dictionary through a Google or Xiaomi Cloud account, the changes can be applied to all your devices associated with this profile.
Why is T9 starting to glittle?
The predictive set malfunctions are often not caused by a breakdown but by an overflow of the keyboard application cache. When the volume of temporary files reaches a critical value, the word sorting algorithm starts to work slower and sentences become less relevant. Also, the conflict can be caused after a major system update, when the database structure changes and the old files remain unchanged.> Preparing to clean and choosing a method Before you start radical measures, you need to determine which cleaning method will be most effective in your case. There are several levels of intervention: from gentle deletion of individual words to a complete reboot to reboot the database structure, how much the phone is ready to select the letter and write the letter. If the problems are only a few specific words that the keyboard insists on imposing, there is no point in resetting all the experience, in which case it is enough to use the manual deletion function. However, if you notice that Gboard or Xiaomi’s standard keyboard offer meaningless letter sets or ignore obvious words, a deeper intervention in the app’s settings will be required. 🔍 Local cleaning: suitable for removal 1-5 specific words that were entered incorrectly and recorded in the dictionary. 🗑️ Reset keyboard settings: removes all user dictionary, clipboard history and personalized settings, returning the keyboard to a store-like state». ⚙️ Switching layout: temporarily disabling and re-enacting the language can help update dictionaries without losing personal data. Before performing any actions, it is recommended to make sure that you have access to the Internet, as some keyboards may require you to download basic dictionaries after reset. It is also worth checking which keyboard is installed by default in Settings → Additional settings → Languages and input. Most often on Xiaomi devices it is Gboard or MIUI Keyboard, and the instructions for them may differ slightly. Removing individual words from the dictionary The most gentle way to fix the T9 is to manually delete words that were added incorrectly. This method is ideal if you accidentally click on the wrong option and the system is now taking a few seconds to delete it deeply. To delete a word, start typing it on the keyboard until it appears in the prediction bar above the letters. Don't pick it, find the one among the options that you want to remove. On the standard Xiaomi keyboard and Gboard, there is the possibility of long-term word tapping in the hint bar, which causes the context menu or the basket icon. In some versions of the MIUI firmware, the mechanism may be different: after a long press on the word in the prediction bar, it may simply disappear or a pop-up with the question "Delete the whole word, or if you have to delete the whole word in the future, or you will have to delete the word from the entire word, or you will have to delete it in the future." If point deletion didn't help and the dictionary's "junk" has accumulated critically, the only correct solution is to completely reset the keyboard application data, which will return the T9 to factory settings by removing the entire learning history. This is a radical, but often the only way to get the keyboard to work properly after a major crash. To do this, you'll need access to the application management menu. MIUI 14 and HyperOS may be slightly different, but the general principle remains the same for all Xiaomi devices. It is important not to confuse keyboard data reset with a reset of the entire phone - we will only touch the input application. Open the Settings menu for your smartphone. Go to the Apps section → All applications. Find your keyboard (such as Gboard or Gboard) in the list. MIUI Keyboard. Click on Memory or Storage. At the bottom of the screen, click Clear and select Clear Everything (or Reset). After doing this, the next time you type, the keyboard will be "stupid," offering only basic words. However, within a few days of active use, it will relearn your style, but without the accumulated errors. Data reset also clears the clipboard, so copied texts will be lost, which is often useful for freeing up RAM. Configure and manage the dictionary in Gboard and MIUI Keyboard After cleaning or resetting, it is crucial to properly configure the keyboard to prevent the T9 from quickly clogging again.The Gboard settings and Xiaomi's standard keyboard have powerful tools to control predictive input behavior. Competent configuration of these settings will help to maintain a balance between useful prompts and intrusiveness. In the keyboard settings menu (available through the gear icon on the keyboard or through the system settings), pay attention to the section "Correct Text". Here you can turn off the "Auto-Replace" function if it bothers you, or adjust the aggressiveness of the fixes. It is also recommended to include the option "Block obscene words" if you want to avoid inadvertent input of unwanted content. The table below compares key dictionary management features in the two most popular keyboards for Xiaomi: Gboard (Google) MIUI Keyboard's MIUI Keyboard Settings Settings on the Cog Icon on the panel Long comma tap or space Delete the word Long tap in the hint bar Long tap in the hint bar Data resets Through Android app settings Synchronization Through Google account Through Xiaomi/Locally Use the "Personal dictionary" feature to add important words to the user's name, such as technically trying to correct it, and especially if you use it regularly with a personal word.9 Addressing common problems and FAQ Even after careful cleaning, users may encounter nuances of the input system, often not in the dictionary itself, but in the conflicts of application versions or the features of Android. Here are the answers to the most common questions that will help eliminate residual phenomena. ⚠️ Warning: If the keyboard stops offering words in Russian after reset, make sure that the language settings are connected to the Russian layout. Sometimes when cleaning the data, the settings of active languages are reset. Another common problem is the floating cursor or key sticking, which users mistakenly mistake for a T9 failure. In such cases, cleaning the system cache or restarting the device in safe mode helps to eliminate the influence of third-party optimizer applications. Why T9 offers strange words after cleaning? This is a normal system reaction. Once reset, the keyboard uses a basic statistical vocabulary that may not take into account your individual style. Give the device 2-3 days of active use, and the machine learning algorithms of Google or Xiaomi adapt to your vocabulary. Can you restore deleted words from T9? Without a pre-created backup — no. The local vocabulary is stored in a secure area of the application memory. If you follow the "Clean All" command, the data is deleted irrevocably. However, if synchronization with the cloud was enabled, words can be loaded back into your account. Does Xiaomi's overall speed of operation directly affect the T9? However, cleaning a crowded keyboard cache can slightly speed up the response of the keyboard itself when typing and reduce the consumption of RAM during printing. What to do if the keyboard disappears after resetting? In rare cases, a failure of settings can cause the active keyboard to disappear. Go to Settings → Additional settings → Languages and input → Keyboard management and activate the desired keyboard again. If it is not on the list, you may need to reinstall the application from the keyboard.