I updated to 15.3.1 and I'm frustrated!
I updated to 15.3.1 on my iphone and cannot access most of the apps - even the app store. It takes an extra long time to open an app and then I'm told I cannot connect.
I even moved from iphone 6s to an SE and it isn't much better. When I try to open an app, I get the message : Unable to install. Try again later." I thought I would delete some apps and reinstall them, but I cannot connect to the App Store.
Can I revert to 15.3? IF so, how?
Frustrated.