My Apple connection has been disconnected Why

Will or won't let you sign into Apple Store? Apple Store or App Store?

See the Apple Support article(s) below.

App Store, iTunes Store, or other Apple services - If you can't connect

Some things you can try. Do you have access to another WiFi network where you can try? That has worked for several people.

Try a restart.

Restart your iPhone, iPad, or iPod touch         

Try a forced restart.

Reset Device.      

If necessary

Hard reset.        

Do a backup and try a factory reset. Then restore from your backup.

Restore to Factory setting.      

Backup - Restore your device from an iCloud or iTunes backup.      

Your Apple connection to what? Error message(s)? More information would help.