Search their username in Instagram
Check if their profile appears in search results
Open their profile from an old chat or tagged post
Look for posts, followers, and following counts
Try to follow them
Check whether their profile says “No Posts Yet” or appears unavailable
See if their profile picture is missing or unchanged in old messages
Send them a direct message
Check if your messages are not delivered or cannot be sent
View mutual friends’ comments or tags to see if their account is still active
Try accessing their profile from a different account
Use Instagram web or another device to confirm
Check if you can mention their username in a post or comment
Look for signs that the account may have been deactivated instead of blocked