Just recently, my screen has been blacking out, not while using it but on picking up the phone after locking it. There's no screen response when pressing lock button, camera button, volume buttons or long hold of lock button to switch it off. It comes back after a minute or so but not from anything i do. Its really annoying and slightly worrying. More and more apps have been spontaneously crashing, even when that particular app is not in use. And now, since the most recent update, my battery drains to 50% by midday, previously being able to make it to bed time with 75%.
Any help or advice would be greatly appreciated.
