I can't follow more than 600 users on Instagram from Android device, but Instagram's web interface allows me to follow more than 600; I followed 10 more users from web interface.
On mobile, when I tap "Follow", it says "Following", but then it immediately goes back to "Follow".
I have Instagram version 7.3 on Android Lollipop 5.0
My mobile's WiFi is working fine and I did not exceed their follow/unfollow or like/unlike limit per hour. I tried these solutions but none of them worked:
- Waited 1 week with no activity on Instagram, just viewed the feed
- Logged out > uninstalled app > restarted Android device > installed
app > logged in