Simple, fast, secure and synchronized pure instant messaging on all your devices. More than 400 million active users. FAST: Telegram is the fastest messaging application on the market, connecting people through a unique and distributed network of data centers around the world. SYNCHRONIZED: You can access your messages from all your devices at the same time. Start typing on your phone and finish the message from your tablet or laptop. Never lose your data again. UNLIMITED: You can send multimedia files and files, without limits as to their type and size. Your full chat history will not require disk space on your device, and will be securely stored in the Telegram cloud for as long as you need it. SECURITY: Our mission was to provide the best security combined with ease of use. Everything in Telegram, including chats, groups, media, etc., is encrypted using a combination of symmetric 256-bit AES encryption, 2048-bit RSA encryption, and secure Diffie-Hellman key exchange.
Required Android Versions : Ice Cream Sandwich [4.0.3–4.0.4] - Jelly Bean [4.1–4.3.1] - KitKat [4.4–4.4.4] - Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]