How to delete all your Telegram contacts at once? · On the top-left, click on the hamburger icon to show the dropdown menu, and choose Contacts from the list.
To delete a Telegram contact on Android, tap the hamburger menu in the top-right corner and select Contacts. In the popup, long press a contact until a green checkmark appears. You can tap on more contacts if you want to delete more than one. Then, tap th
Delete the contact from your phone's agenda/contacts app; in Telegram, disable Sync Contacts and Suggest Frequent Contacts in Settings → Security and ...