The app stores a large amount of temporary data

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Voice and video calls on Telegram also consume a significant amount of data. Telegram’s call quality is generally high, which means it uses more bandwidth to maintain audio clarity and video resolution. A one-minute voice call on Telegram can use anywhere from 300 KB to 600 KB, depending on network quality and call clarity. For video calls, the data consumption can be higher, ranging from 3 MB to 8 MB per minute depending on the resolution. These numbers might seem small in isolation, but frequent use can easily drain data quotas, especially in regions with low data caps. A major, often overlooked, element of data consumption is the Telegram cache.

On the device, including images, videos, audio files, and documents. While caching reduces the need to re-download the same content, the app’s cache can quickly grow to several gigabytes. Telegram iran telegram data provides users with control to manage this cache—allowing them to set custom durations for how long media stays on the device before being cleared. By default, Telegram retains media for a few days to weeks, depending on settings, which can lead to a large volume of background syncing and data transfers, especially when reaccessing media across devices. Telegram’s data usage is also influenced by user behavior. Users who frequently engage in large file transfers, download files from bots, or participate in multimedia-rich conversations will naturally consume more data. Telegram allows files up to 2 GB (or more, depending on subscription tier) to be sent.

A single download of such a file on mobile data can consume an entire monthly data plan. Re-downloading files across devices—for instance, from a phone to a desktop—also counts as additional data usage, since Telegram re-fetches the content from its cloud servers. Interestingly, Telegram Premium introduces some features that can indirectly increase data usage. Higher download speeds, the ability to upload larger files, and improved media sharing capabilities mean that users in these tiers can engage in heavier media exchanges. While convenient, these upgrades make it even more important for users to monitor their data settings, especially when frequently switching between mobile data and Wi-Fi. To mitigate excessive data usage.