Some users have tweeted at us saying that their i Phone 4S won't work when they try to update to i OS 10.3.
If you encounter this issue, your best bet is to sign out of your i Cloud account.
Open the news widget next and set it up as if it is a brand new account, then sign into your i Cloud to complete. Your preferences and favorites get reset when you do this and for some reason, that fixes the issue.
To resolve this issue, the app had to be moved back to the memory of the phone using these steps: Repeat these steps for any other apps you are experiencing the same issue with. You will have to clear the Home screen data and start fresh.
These steps will reset your icons on the Home screen back to defaults.
like a problem, but Apple has re-arranged its filing system. Just an extra caution: Make sure you backup your i Phone before updating to i OS 10.3.