My Instagram won't let me follow or unfollow people?

I've restarted my phone twice. It's an iPhone 4S for the past week everytime I press follow it will say following, but if i revisit the page is still has the blue follow button. Also when I unfollow someone if I visit their page it says following. I had this problem and after like the 10th try it would work but now it won't! What the hell! And I'm not even following a lot, it's not even 200

Try going to the home screen, then double tapping the home button to bring up the multitasking menu at the bottom of your screen. Then hold down the instagram app until it starts shaking, then tap the red minus sign. Then re-open instagram, and try again. This has always worked for me.

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