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Utter est un client de Telegram officieux sur la base de bibliothèque native de l'équipe de télégramme.
Utter is an unofficial Telegram client based on native library from the telegram team called TDLib (https://core.telegram.org/tdlib).
It is a secure and fast instant messenger with support of several additional options, which you will not find in official client.
100 percent synchronization with the official client.
100 percent free and without advertising.