Sometimes Instagram might not refresh your feed. Here’s how you can fix it:
Check Internet: Make sure your device is connected to the internet.
Restart App: Close Instagram and open it again.
Update App: Go to the app store and check if there's an update for Instagram.
Reboot Device: Restart your phone or tablet.
These steps usually fix the problem, So, friends, now I think you understand why couldn't refresh feed instagram ,  If you are still having any problems, you can comment to us. We will try to reply to you soon.