@CNN: Apple CEO Tim Cook says the next iOS update will show the health of your phone battery and allow you to disable a slowdown https://t.co/7TGZfXAxcK https://t.co/aZVI8V5kv6

@CNN: Apple CEO Tim Cook says the next iOS update will show the health of your phone battery and allow you to disable a slowdown https://t.co/7TGZfXAxcK https://t.co/aZVI8V5kv6