Why TikTok is not working on my iPhone?
Try to restart the app (or your phone)
First, close TikTok on your phone and reopen it. If that resolves the issue, you're done. If not, try shutting down your iPhone or Android, turn it back on, and try opening TikTok again.
Why wont it let me sign up to TikTok?
Why does it say you're not eligible for TikTok? You got the “Not Eligible” error message on TikTok because you've selected a date of birth that is under the age of 13. If you've selected a date of birth that is under the age of 13, you will not be able to create an account.
Why is my TikTok ID not working?
If your TikTok app is not working, it's presumably a problem from corrupted cache data. ... The cache memory stores some data temporarily to make the app run faster and work efficiently. If your TikTok is behaving badly, clearing the cached data may help fix it. Follow the steps below to do so.