Telegram app stores all these media files in the cache partition so you can easily clear this cache without any problem. This can be cleared without deleting your chat from the app. This is how you can clear the Telegram cache from your smartphone and get your storage back. You can get your media back whenever you want them, just go the chat and download all the media again.
- Open the Telegram app on your Android smartphone.
- Open the hamburger menu from the icon in the top right corner.
3. Select Settings from there and then go to Data and Storage.
4. Click on Clear Cache here.