Before logging into your Telegram account, you must first set up your Telegram account. Here are the steps you can read if you don't know how to sign up for Telegram account:
- Click on the icon to open the Telegram application after downloading it
- Next, tap the "Start Messaging" button, then click "OK" on the pop-up window
- You will then be asked for your country and to verify your phone number. So, just fill in your country and verify your phone number and you can start using Telegram.
Read more: https://ityug247.com/telegram-login/