Every time you open a file or media message, Telegram stores

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It can grow to several gigabytes if not managed. It’s important to understand that iOS does not allow users to manually delete app-specific data unless the app provides that functionality internally. Thus, Telegram’s built-in data management tools are the most effective way to control storage use. How Documents Accumulate in Telegram on iPhone Telegram is used for a wide range of activities: chatting with friends, engaging in large groups, subscribing to channels, and even sharing professional documents.

As users interact with the app—especially in high-traffic groups or channels—they often view and download a large amount of media. a local copy on your iPhone for quick reaccess. For example, if canada telegram data someone sends a 100MB video in a group and you watch it, Telegram caches that video locally. If another 20 users in the group send files and you preview them, each item is stored in the app’s sandbox directory. While this makes content retrieval fast, it can quickly eat up storage, particularly if you are not manually managing it. Telegram does not automatically delete cached media unless you set up a media retention policy. Without manual intervention, your device could end up storing months—or years—of unused files.

Impact on Device Performance and Storage For many iPhone users, especially those with 64GB or less storage capacity, Telegram’s growing data can have a significant impact. As the “Documents & Data” section expands, it can reduce the space available for other critical functions like taking photos, installing apps, or even receiving updates. Performance-wise, a bloated Telegram cache can lead to app slowdowns, especially when navigating chat history or loading media-rich conversations. Furthermore, when iOS detects storage issues, it may begin to offload apps automatically, or worse, restrict updates and system performance.