Users can perform a long-press on any conversation card to open a fully scrollable, interactive window. This allows reading deep into chat history without sending a "Read" receipt marker to the sender.

The regular Telegram app historically accumulated legacy components over years of continuous feature additions. Telegram X was built entirely from scratch using the Telegram Database Library (TDLib) . This specialized framework streamlines data synchronization and enhances database interactions.

Telegram X includes native optimization toggles that aggressively limit background data consumption when the phone switches over to cellular networks or data roaming.

Many UI elements popularized in contemporary instant messaging were tested first on Telegram X: