If you fail to log in 3 times in a row, you are sure that your username and password are correct, then you should stop logging in and contact customer service.
Ask them if there is a problem with their server or with your account. Remember not to keep trying after several failures, this may cause your account to be closed or cancelled.

Why I can’t log into my Instagram account – Apple Community

 · I tried restarting the app, turned on and off my iPhone, I re-establish fabric settinga, updated the iOS and still struggle with that problem. I don’t have that problem on any of my accounts when I log in on computer or web. Also tried to contact Instagram …

Instagram login: How to sign into Instagram on iPhone …

 · How to download Instagram on your mobile. The process of downloading Instagram on your phone is pretty much the same for both iOS and Android. Head over to either the App Store for iPhone …

Use Instagram On Any Computer Like You Would On A …

 · You will have to open a private Safari window, go into Develop, then User Agent, and select Safari — iOS 10 — iPhone. This will let you use Safari as if you were on your phone: When you log …

If Safari can’t open the page because too … – Apple Support

 · If Safari can’t open the page because too many redirects occurred This might occur when you open a page that is redirected to another page, which is then redirected to open the original page. If a webpage redirects too many times, it might have been set up in a way that is causing a redirect loop.

Apple’s iPhone 13 event: what to expect – The Verge

1 day ago · Apple could reserve the devices for a later event in October rather than hang with a new iPhone and Apple Watch. The new iPad Mini is expected to receive the …