just hold the app u want to uninstall or remove from home screen u will get a small menu to do the things just like apples 3d touch thing tap and hold the app icon
i haven't experienced anything like that yet its almost been 48 hours since update and my phone is working even better and i am a heavy user checked almost all the apps on my phone after update but no problem at allcan u tell how can i check the tou...
sorry bro i thought both mobile r almost same except for screen size and battery so thought a7 must also have got the updatehonestly it was typiing mistake