Open the Instagram app on your mobile device.
- Tap on your profile picture in the bottom right corner to access your profile.
- In the top-right corner, click on the three horizontal lines to open the menu.
- Scroll down and select "Settings."
- Within the Settings menu, tap on "Privacy."
- Find and tap on "Read Receipts" under the "Connections" section.
- Toggle off the switch next to "Read Receipts" to disable them.