Promoting online safety, knowledge, cyber hygiene, and digital awareness across Sri Lanka. By Sri Lanka CERT

Telegram Safety Topics


Telegram is a freeware, cross-platform, cloud-based instant messaging service. It provides end-to-end encrypted video calling, VoIP, file sharing, and several other features. Telegram apps are standalone, so you don’t need to keep your phone connected.

How to report problems on Telegram?

You can report issues directly using Telegram’s official support form.

  1. Visit Telegram Support.
  2. Fill out the form and submit your problem.
Telegram Support Form

How to block unwanted contacts on Telegram?

  1. Select menu and go to Settings
  2. Telegram Menu Settings
  3. Go to Privacy and Security → Blocked Users
  4. Privacy Settings Blocked Users
  5. Select the user contact to block.
  6. Block User

How to change Privacy Settings?

  1. Go to Settings → Privacy and Security
a) Change Privacy for Last Seen
Last Seen Setting
b) Change Privacy for Profile Photo
Profile Photo 1 Profile Photo 2
c) Change Privacy for Phone Number
Phone Number 1 Phone Number 2
d) Change Privacy for Calls
Calls Setting Calls Option
e) Change Privacy for Groups
Groups Setting Groups Option

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