%1$@, We detected a login to your account from a new device on %2$@, %3$@ at %4$@. Device: %5$@ Location: %6$@ If this wasn't you, you can go to Settings > Devices and terminate that session. If you think that somebody logged in to your account against your will, you can enable Two-Step Verification in Privacy and Security settings. Sincerely, The Telegram Team