If you are a regular user of Instagram, then you might have come across An unknown network error has occurred error. This error appears when you try to Login. So if after trying to log into your Instagram account you are getting the error: An unknown network error has occurred. Then you are facing an. Generally, users have reported that when they were trying to login on the app, then they faced the error message “An Unknown Network Error. "An Unknown Network Error Has Occurred" is also one of the errors of Instagram. There are many methods to Fix Instagram Error. Try the given method & fix. Instagram unknown network error has occurred is annoying lot of users. If you are one Once your device is restarted try login in to Instagram. You can fix the error by Method 1: Re-start your device Method 2: Check your Internet Connection Method 3: Clear Cache and data of the app Method 4: Check . Im trying to log into a friends account and it continues to say this, I've restarted my phone and updated the app and still nothing, could it mean.